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7
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1 /* vi:set ts=8 sts=4 sw=4:
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2 *
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3 * VIM - Vi IMproved by Bram Moolenaar
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4 * Visual Workshop integration by Gordon Prieur
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5 *
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6 * Do ":help uganda" in Vim to read copying and usage conditions.
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7 * Do ":help credits" in Vim to see a list of people who contributed.
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8 * See README.txt for an overview of the Vim source code.
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9 */
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10
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11 #include "vim.h"
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12
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13 #if defined(FEAT_BEVAL) || defined(PROTO)
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14
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192
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15 /*
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16 * Common code, invoked when the mouse is resting for a moment.
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17 */
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18 /*ARGSUSED*/
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19 void
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20 general_beval_cb(beval, state)
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21 BalloonEval *beval;
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22 int state;
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23 {
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24 win_T *wp;
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25 int col;
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634
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26 int use_sandbox;
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192
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27 linenr_T lnum;
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28 char_u *text;
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29 static char_u *result = NULL;
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30 long winnr = 0;
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791
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31 char_u *bexpr;
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32 buf_T *save_curbuf;
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640
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33 #ifdef FEAT_WINDOWS
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192
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34 win_T *cw;
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640
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35 #endif
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192
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36
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37
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38 /* Don't do anything when 'ballooneval' is off, messages scrolled the
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39 * windows up or we have no beval area. */
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40 if (!p_beval || balloonEval == NULL || msg_scrolled > 0)
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41 return;
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42
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43 #ifdef FEAT_EVAL
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791
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44 if (get_beval_info(balloonEval, TRUE, &wp, &lnum, &text, &col) == OK)
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192
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45 {
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791
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46 bexpr = (*wp->w_buffer->b_p_bexpr == NUL) ? p_bexpr
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47 : wp->w_buffer->b_p_bexpr;
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48 if (*bexpr != NUL)
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49 {
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640
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50 # ifdef FEAT_WINDOWS
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791
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51 /* Convert window pointer to number. */
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52 for (cw = firstwin; cw != wp; cw = cw->w_next)
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53 ++winnr;
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640
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54 # endif
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192
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55
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791
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56 set_vim_var_nr(VV_BEVAL_BUFNR, (long)wp->w_buffer->b_fnum);
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57 set_vim_var_nr(VV_BEVAL_WINNR, winnr);
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58 set_vim_var_nr(VV_BEVAL_LNUM, (long)lnum);
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59 set_vim_var_nr(VV_BEVAL_COL, (long)(col + 1));
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60 set_vim_var_string(VV_BEVAL_TEXT, text, -1);
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61 vim_free(text);
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634
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62
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791
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63 /*
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64 * Temporarily change the curbuf, so that we can determine whether
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65 * the buffer-local balloonexpr option was set insecurly.
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66 */
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67 save_curbuf = curbuf;
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68 curbuf = wp->w_buffer;
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69 use_sandbox = was_set_insecurely((char_u *)"balloonexpr",
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70 *curbuf->b_p_bexpr == NUL ? 0 : OPT_LOCAL);
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71 curbuf = save_curbuf;
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72 if (use_sandbox)
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73 ++sandbox;
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74 ++textlock;
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634
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75
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791
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76 vim_free(result);
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77 result = eval_to_string(bexpr, NULL, TRUE);
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78
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79 if (use_sandbox)
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80 --sandbox;
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81 --textlock;
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192
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82
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791
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83 set_vim_var_string(VV_BEVAL_TEXT, NULL, -1);
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84 if (result != NULL && result[0] != NUL)
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85 {
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86 gui_mch_post_balloon(beval, result);
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87 return;
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88 }
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192
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89 }
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90 }
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91 #endif
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92 #ifdef FEAT_NETBEANS_INTG
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93 if (bevalServers & BEVAL_NETBEANS)
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94 netbeans_beval_cb(beval, state);
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95 #endif
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96 #ifdef FEAT_SUN_WORKSHOP
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97 if (bevalServers & BEVAL_WORKSHOP)
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98 workshop_beval_cb(beval, state);
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99 #endif
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100 }
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101
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102 /* on Win32 only get_beval_info() is required */
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7
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103 #if !defined(FEAT_GUI_W32) || defined(PROTO)
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104
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105 #ifdef FEAT_GUI_GTK
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106 # include <gdk/gdkkeysyms.h>
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107 # include <gtk/gtk.h>
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108 #else
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109 # include <X11/keysym.h>
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110 # ifdef FEAT_GUI_MOTIF
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111 # include <Xm/PushB.h>
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112 # include <Xm/Separator.h>
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113 # include <Xm/List.h>
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114 # include <Xm/Label.h>
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115 # include <Xm/AtomMgr.h>
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116 # include <Xm/Protocols.h>
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117 # else
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118 /* Assume Athena */
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119 # include <X11/Shell.h>
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680
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120 # ifdef FEAT_GUI_NEXTAW
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121 # include <X11/neXtaw/Label.h>
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122 # else
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123 # include <X11/Xaw/Label.h>
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124 # endif
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7
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125 # endif
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126 #endif
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127
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128 #include "gui_beval.h"
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129
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130 #ifndef FEAT_GUI_GTK
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131 extern Widget vimShell;
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132
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133 /*
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134 * Currently, we assume that there can be only one BalloonEval showing
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135 * on-screen at any given moment. This variable will hold the currently
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136 * showing BalloonEval or NULL if none is showing.
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137 */
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138 static BalloonEval *current_beval = NULL;
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139 #endif
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140
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141 #ifdef FEAT_GUI_GTK
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142 static void addEventHandler __ARGS((GtkWidget *, BalloonEval *));
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143 static void removeEventHandler __ARGS((BalloonEval *));
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144 static gint target_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer));
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145 static gint mainwin_event_cb __ARGS((GtkWidget *, GdkEvent *, gpointer));
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146 static void pointer_event __ARGS((BalloonEval *, int, int, unsigned));
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147 static void key_event __ARGS((BalloonEval *, unsigned, int));
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148 static gint timeout_cb __ARGS((gpointer));
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149 static gint balloon_expose_event_cb __ARGS((GtkWidget *, GdkEventExpose *, gpointer));
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150 # ifndef HAVE_GTK2
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151 static void balloon_draw_cb __ARGS((GtkWidget *, GdkRectangle *, gpointer));
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152 # endif
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153 #else
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154 static void addEventHandler __ARGS((Widget, BalloonEval *));
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155 static void removeEventHandler __ARGS((BalloonEval *));
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156 static void pointerEventEH __ARGS((Widget, XtPointer, XEvent *, Boolean *));
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157 static void pointerEvent __ARGS((BalloonEval *, XEvent *));
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158 static void timerRoutine __ARGS((XtPointer, XtIntervalId *));
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159 #endif
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160 static void cancelBalloon __ARGS((BalloonEval *));
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161 static void requestBalloon __ARGS((BalloonEval *));
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162 static void drawBalloon __ARGS((BalloonEval *));
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163 static void undrawBalloon __ARGS((BalloonEval *beval));
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164 static void createBalloonEvalWindow __ARGS((BalloonEval *));
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165
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166
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167
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168 /*
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169 * Create a balloon-evaluation area for a Widget.
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170 * There can be either a "mesg" for a fixed string or "mesgCB" to generate a
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171 * message by calling this callback function.
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172 * When "mesg" is not NULL it must remain valid for as long as the balloon is
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173 * used. It is not freed here.
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174 * Returns a pointer to the resulting object (NULL when out of memory).
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175 */
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176 BalloonEval *
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177 gui_mch_create_beval_area(target, mesg, mesgCB, clientData)
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178 void *target;
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179 char_u *mesg;
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180 void (*mesgCB)__ARGS((BalloonEval *, int));
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181 void *clientData;
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182 {
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183 #ifndef FEAT_GUI_GTK
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184 char *display_name; /* get from gui.dpy */
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185 int screen_num;
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186 char *p;
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187 #endif
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188 BalloonEval *beval;
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189
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190 if (mesg != NULL && mesgCB != NULL)
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191 {
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192 EMSG(_("E232: Cannot create BalloonEval with both message and callback"));
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193 return NULL;
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194 }
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195
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196 beval = (BalloonEval *)alloc(sizeof(BalloonEval));
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197 if (beval != NULL)
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198 {
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199 #ifdef FEAT_GUI_GTK
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200 beval->target = GTK_WIDGET(target);
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201 beval->balloonShell = NULL;
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202 beval->timerID = 0;
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203 #else
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204 beval->target = (Widget)target;
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205 beval->balloonShell = NULL;
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206 beval->timerID = (XtIntervalId)NULL;
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207 beval->appContext = XtWidgetToApplicationContext((Widget)target);
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208 #endif
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209 beval->showState = ShS_NEUTRAL;
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210 beval->x = 0;
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211 beval->y = 0;
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212 beval->msg = mesg;
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213 beval->msgCB = mesgCB;
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214 beval->clientData = clientData;
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215
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216 /*
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217 * Set up event handler which will keep its eyes on the pointer,
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218 * and when the pointer rests in a certain spot for a given time
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219 * interval, show the beval.
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220 */
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221 addEventHandler(beval->target, beval);
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222 createBalloonEvalWindow(beval);
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223
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224 #ifndef FEAT_GUI_GTK
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225 /*
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226 * Now create and save the screen width and height. Used in drawing.
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227 */
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228 display_name = DisplayString(gui.dpy);
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229 p = strrchr(display_name, '.');
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230 if (p != NULL)
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231 screen_num = atoi(++p);
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232 else
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233 screen_num = 0;
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234 beval->screen_width = DisplayWidth(gui.dpy, screen_num);
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235 beval->screen_height = DisplayHeight(gui.dpy, screen_num);
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236 #endif
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237 }
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238
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239 return beval;
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240 }
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241
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242 #if defined(FEAT_BEVAL_TIP) || defined(PROTO)
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243 /*
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244 * Destroy a ballon-eval and free its associated memory.
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245 */
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246 void
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247 gui_mch_destroy_beval_area(beval)
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248 BalloonEval *beval;
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249 {
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250 cancelBalloon(beval);
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251 removeEventHandler(beval);
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252 /* Children will automatically be destroyed */
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253 # ifdef FEAT_GUI_GTK
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254 gtk_widget_destroy(beval->balloonShell);
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255 # else
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256 XtDestroyWidget(beval->balloonShell);
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257 # endif
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258 vim_free(beval);
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259 }
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260 #endif
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261
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262 void
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263 gui_mch_enable_beval_area(beval)
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264 BalloonEval *beval;
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265 {
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266 if (beval != NULL)
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267 addEventHandler(beval->target, beval);
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268 }
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269
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270 void
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271 gui_mch_disable_beval_area(beval)
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272 BalloonEval *beval;
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273 {
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274 if (beval != NULL)
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275 removeEventHandler(beval);
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276 }
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277
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278 #if defined(FEAT_BEVAL_TIP) || defined(PROTO)
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279 /*
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280 * This function returns the BalloonEval * associated with the currently
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281 * displayed tooltip. Returns NULL if there is no tooltip currently showing.
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282 *
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283 * Assumption: Only one tooltip can be shown at a time.
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284 */
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285 BalloonEval *
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286 gui_mch_currently_showing_beval()
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287 {
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288 return current_beval;
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289 }
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290 #endif
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291 #endif /* !FEAT_GUI_W32 */
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292
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192
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293 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \
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294 || defined(FEAT_EVAL) || defined(PROTO)
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7
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295 /*
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296 * Get the text and position to be evaluated for "beval".
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192
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297 * If "getword" is true the returned text is not the whole line but the
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298 * relevant word in allocated memory.
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7
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299 * Returns OK or FAIL.
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300 */
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301 int
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192
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302 get_beval_info(beval, getword, winp, lnump, textp, colp)
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7
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303 BalloonEval *beval;
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192
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304 int getword;
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305 win_T **winp;
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306 linenr_T *lnump;
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307 char_u **textp;
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308 int *colp;
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7
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309 {
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310 win_T *wp;
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311 int row, col;
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312 char_u *lbuf;
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313 linenr_T lnum;
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314
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192
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315 *textp = NULL;
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7
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316 row = Y_2_ROW(beval->y);
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317 col = X_2_COL(beval->x);
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640
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318 #ifdef FEAT_WINDOWS
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7
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319 wp = mouse_find_win(&row, &col);
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640
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320 #else
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321 wp = firstwin;
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322 #endif
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7
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323 if (wp != NULL && row < wp->w_height && col < W_WIDTH(wp))
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324 {
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325 /* Found a window and the cursor is in the text. Now find the line
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326 * number. */
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327 if (!mouse_comp_pos(wp, &row, &col, &lnum))
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328 {
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329 /* Not past end of the file. */
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330 lbuf = ml_get_buf(wp->w_buffer, lnum, FALSE);
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331 if (col <= win_linetabsize(wp, lbuf, (colnr_T)MAXCOL))
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332 {
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333 /* Not past end of line. */
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192
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334 if (getword)
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7
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335 {
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336 /* For Netbeans we get the relevant part of the line
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337 * instead of the whole line. */
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338 int len;
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339 pos_T *spos = NULL, *epos = NULL;
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340
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341 if (VIsual_active)
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342 {
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343 if (lt(VIsual, curwin->w_cursor))
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344 {
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345 spos = &VIsual;
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346 epos = &curwin->w_cursor;
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347 }
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348 else
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349 {
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350 spos = &curwin->w_cursor;
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351 epos = &VIsual;
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352 }
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353 }
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354
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355 col = vcol2col(wp, lnum, col) - 1;
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356
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357 if (VIsual_active
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358 && wp->w_buffer == curwin->w_buffer
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359 && (lnum == spos->lnum
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360 ? col >= (int)spos->col
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361 : lnum > spos->lnum)
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362 && (lnum == epos->lnum
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363 ? col <= (int)epos->col
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364 : lnum < epos->lnum))
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365 {
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366 /* Visual mode and pointing to the line with the
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367 * Visual selection: return selected text, with a
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368 * maximum of one line. */
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369 if (spos->lnum != epos->lnum || spos->col == epos->col)
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370 return FAIL;
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371
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372 lbuf = ml_get_buf(curwin->w_buffer, VIsual.lnum, FALSE);
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373 lbuf = vim_strnsave(lbuf + spos->col,
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374 epos->col - spos->col + (*p_sel != 'e'));
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375 lnum = spos->lnum;
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376 col = spos->col;
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377 }
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378 else
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379 {
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380 /* Find the word under the cursor. */
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381 ++emsg_off;
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382 len = find_ident_at_pos(wp, lnum, (colnr_T)col, &lbuf,
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383 FIND_IDENT + FIND_STRING + FIND_EVAL);
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384 --emsg_off;
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385 if (len == 0)
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386 return FAIL;
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387 lbuf = vim_strnsave(lbuf, len);
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388 }
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389 }
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192
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390
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391 *winp = wp;
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392 *lnump = lnum;
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393 *textp = lbuf;
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394 *colp = col;
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7
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395 beval->ts = wp->w_buffer->b_p_ts;
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396 return OK;
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397 }
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398 }
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399 }
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400
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|
|
401 return FAIL;
|
|
|
402 }
|
|
|
403
|
|
|
404 # if !defined(FEAT_GUI_W32) || defined(PROTO)
|
|
|
405
|
|
|
406 /*
|
|
|
407 * Show a balloon with "mesg".
|
|
|
408 */
|
|
|
409 void
|
|
|
410 gui_mch_post_balloon(beval, mesg)
|
|
|
411 BalloonEval *beval;
|
|
|
412 char_u *mesg;
|
|
|
413 {
|
|
|
414 beval->msg = mesg;
|
|
|
415 if (mesg != NULL)
|
|
|
416 drawBalloon(beval);
|
|
|
417 else
|
|
|
418 undrawBalloon(beval);
|
|
|
419 }
|
|
|
420 # endif /* FEAT_GUI_W32 */
|
|
|
421 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */
|
|
|
422
|
|
|
423 #if !defined(FEAT_GUI_W32) || defined(PROTO)
|
|
|
424 #if defined(FEAT_BEVAL_TIP) || defined(PROTO)
|
|
|
425 /*
|
|
|
426 * Hide the given balloon.
|
|
|
427 */
|
|
|
428 void
|
|
|
429 gui_mch_unpost_balloon(beval)
|
|
|
430 BalloonEval *beval;
|
|
|
431 {
|
|
|
432 undrawBalloon(beval);
|
|
|
433 }
|
|
|
434 #endif
|
|
|
435
|
|
|
436 #ifdef FEAT_GUI_GTK
|
|
|
437 /*
|
|
|
438 * We can unconditionally use ANSI-style prototypes here since
|
|
|
439 * GTK+ requires an ANSI C compiler anyway.
|
|
|
440 */
|
|
|
441 static void
|
|
|
442 addEventHandler(GtkWidget *target, BalloonEval *beval)
|
|
|
443 {
|
|
|
444 /*
|
|
|
445 * Connect to the generic "event" signal instead of the individual
|
|
|
446 * signals for each event type, because the former is emitted earlier.
|
|
|
447 * This allows us to catch events independently of the signal handlers
|
|
|
448 * in gui_gtk_x11.c.
|
|
|
449 */
|
|
|
450 /* Should use GTK_OBJECT() here, but that causes a lint warning... */
|
|
|
451 gtk_signal_connect((GtkObject*)(target), "event",
|
|
|
452 GTK_SIGNAL_FUNC(target_event_cb),
|
|
|
453 beval);
|
|
|
454 /*
|
|
|
455 * Nasty: Key press events go to the main window thus the drawing area
|
|
|
456 * will never see them. This means we have to connect to the main window
|
|
|
457 * as well in order to catch those events.
|
|
|
458 */
|
|
|
459 if (gtk_socket_id == 0 && gui.mainwin != NULL
|
|
|
460 && gtk_widget_is_ancestor(target, gui.mainwin))
|
|
|
461 {
|
|
|
462 gtk_signal_connect((GtkObject*)(gui.mainwin), "event",
|
|
|
463 GTK_SIGNAL_FUNC(mainwin_event_cb),
|
|
|
464 beval);
|
|
|
465 }
|
|
|
466 }
|
|
|
467
|
|
|
468 static void
|
|
|
469 removeEventHandler(BalloonEval *beval)
|
|
|
470 {
|
|
137
|
471 /* LINTED: avoid warning: dubious operation on enum */
|
|
7
|
472 gtk_signal_disconnect_by_func((GtkObject*)(beval->target),
|
|
|
473 GTK_SIGNAL_FUNC(target_event_cb),
|
|
|
474 beval);
|
|
|
475
|
|
|
476 if (gtk_socket_id == 0 && gui.mainwin != NULL
|
|
|
477 && gtk_widget_is_ancestor(beval->target, gui.mainwin))
|
|
|
478 {
|
|
137
|
479 /* LINTED: avoid warning: dubious operation on enum */
|
|
7
|
480 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin),
|
|
|
481 GTK_SIGNAL_FUNC(mainwin_event_cb),
|
|
|
482 beval);
|
|
|
483 }
|
|
|
484 }
|
|
|
485
|
|
|
486 static gint
|
|
|
487 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
|
|
|
488 {
|
|
|
489 BalloonEval *beval = (BalloonEval *)data;
|
|
|
490
|
|
|
491 switch (event->type)
|
|
|
492 {
|
|
|
493 case GDK_ENTER_NOTIFY:
|
|
|
494 pointer_event(beval, (int)event->crossing.x,
|
|
|
495 (int)event->crossing.y,
|
|
|
496 event->crossing.state);
|
|
|
497 break;
|
|
|
498 case GDK_MOTION_NOTIFY:
|
|
|
499 if (event->motion.is_hint)
|
|
|
500 {
|
|
|
501 int x;
|
|
|
502 int y;
|
|
|
503 GdkModifierType state;
|
|
|
504 /*
|
|
|
505 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain
|
|
|
506 * the coordinates from the GdkEventMotion struct directly.
|
|
|
507 */
|
|
|
508 gdk_window_get_pointer(widget->window, &x, &y, &state);
|
|
|
509 pointer_event(beval, x, y, (unsigned int)state);
|
|
|
510 }
|
|
|
511 else
|
|
|
512 {
|
|
|
513 pointer_event(beval, (int)event->motion.x,
|
|
|
514 (int)event->motion.y,
|
|
|
515 event->motion.state);
|
|
|
516 }
|
|
|
517 break;
|
|
|
518 case GDK_LEAVE_NOTIFY:
|
|
|
519 /*
|
|
|
520 * Ignore LeaveNotify events that are not "normal".
|
|
|
521 * Apparently we also get it when somebody else grabs focus.
|
|
|
522 */
|
|
|
523 if (event->crossing.mode == GDK_CROSSING_NORMAL)
|
|
|
524 cancelBalloon(beval);
|
|
|
525 break;
|
|
|
526 case GDK_BUTTON_PRESS:
|
|
|
527 # ifdef HAVE_GTK2
|
|
|
528 case GDK_SCROLL:
|
|
|
529 # endif
|
|
|
530 cancelBalloon(beval);
|
|
|
531 break;
|
|
|
532 case GDK_KEY_PRESS:
|
|
|
533 key_event(beval, event->key.keyval, TRUE);
|
|
|
534 break;
|
|
|
535 case GDK_KEY_RELEASE:
|
|
|
536 key_event(beval, event->key.keyval, FALSE);
|
|
|
537 break;
|
|
|
538 default:
|
|
|
539 break;
|
|
|
540 }
|
|
|
541
|
|
|
542 return FALSE; /* continue emission */
|
|
|
543 }
|
|
|
544
|
|
|
545 /*ARGSUSED*/
|
|
|
546 static gint
|
|
|
547 mainwin_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
|
|
|
548 {
|
|
|
549 BalloonEval *beval = (BalloonEval *)data;
|
|
|
550
|
|
|
551 switch (event->type)
|
|
|
552 {
|
|
|
553 case GDK_KEY_PRESS:
|
|
|
554 key_event(beval, event->key.keyval, TRUE);
|
|
|
555 break;
|
|
|
556 case GDK_KEY_RELEASE:
|
|
|
557 key_event(beval, event->key.keyval, FALSE);
|
|
|
558 break;
|
|
|
559 default:
|
|
|
560 break;
|
|
|
561 }
|
|
|
562
|
|
|
563 return FALSE; /* continue emission */
|
|
|
564 }
|
|
|
565
|
|
|
566 static void
|
|
|
567 pointer_event(BalloonEval *beval, int x, int y, unsigned state)
|
|
|
568 {
|
|
|
569 int distance;
|
|
|
570
|
|
|
571 distance = ABS(x - beval->x) + ABS(y - beval->y);
|
|
|
572
|
|
|
573 if (distance > 4)
|
|
|
574 {
|
|
|
575 /*
|
|
|
576 * Moved out of the balloon location: cancel it.
|
|
|
577 * Remember button state
|
|
|
578 */
|
|
|
579 beval->state = state;
|
|
|
580 cancelBalloon(beval);
|
|
|
581
|
|
|
582 /* Mouse buttons are pressed - no balloon now */
|
|
|
583 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK
|
|
|
584 | (int)GDK_BUTTON3_MASK)))
|
|
|
585 {
|
|
|
586 beval->x = x;
|
|
|
587 beval->y = y;
|
|
|
588
|
|
|
589 if (state & (int)GDK_MOD1_MASK)
|
|
|
590 {
|
|
|
591 /*
|
|
|
592 * Alt is pressed -- enter super-evaluate-mode,
|
|
|
593 * where there is no time delay
|
|
|
594 */
|
|
|
595 if (beval->msgCB != NULL)
|
|
|
596 {
|
|
|
597 beval->showState = ShS_PENDING;
|
|
|
598 (*beval->msgCB)(beval, state);
|
|
|
599 }
|
|
|
600 }
|
|
|
601 else
|
|
|
602 {
|
|
|
603 beval->timerID = gtk_timeout_add((guint32)p_bdlay,
|
|
|
604 &timeout_cb, beval);
|
|
|
605 }
|
|
|
606 }
|
|
|
607 }
|
|
|
608 }
|
|
|
609
|
|
|
610 static void
|
|
|
611 key_event(BalloonEval *beval, unsigned keyval, int is_keypress)
|
|
|
612 {
|
|
|
613 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL)
|
|
|
614 {
|
|
|
615 switch (keyval)
|
|
|
616 {
|
|
|
617 case GDK_Shift_L:
|
|
|
618 case GDK_Shift_R:
|
|
|
619 beval->showState = ShS_UPDATE_PENDING;
|
|
|
620 (*beval->msgCB)(beval, (is_keypress)
|
|
|
621 ? (int)GDK_SHIFT_MASK : 0);
|
|
|
622 break;
|
|
|
623 case GDK_Control_L:
|
|
|
624 case GDK_Control_R:
|
|
|
625 beval->showState = ShS_UPDATE_PENDING;
|
|
|
626 (*beval->msgCB)(beval, (is_keypress)
|
|
|
627 ? (int)GDK_CONTROL_MASK : 0);
|
|
|
628 break;
|
|
|
629 default:
|
|
667
|
630 /* Don't do this for key release, we apparently get these with
|
|
|
631 * focus changes in some GTK version. */
|
|
|
632 if (is_keypress)
|
|
|
633 cancelBalloon(beval);
|
|
7
|
634 break;
|
|
|
635 }
|
|
|
636 }
|
|
|
637 else
|
|
|
638 cancelBalloon(beval);
|
|
|
639 }
|
|
|
640
|
|
|
641 static gint
|
|
|
642 timeout_cb(gpointer data)
|
|
|
643 {
|
|
|
644 BalloonEval *beval = (BalloonEval *)data;
|
|
|
645
|
|
|
646 beval->timerID = 0;
|
|
|
647 /*
|
|
|
648 * If the timer event happens then the mouse has stopped long enough for
|
|
|
649 * a request to be started. The request will only send to the debugger if
|
|
|
650 * there the mouse is pointing at real data.
|
|
|
651 */
|
|
|
652 requestBalloon(beval);
|
|
|
653
|
|
|
654 return FALSE; /* don't call me again */
|
|
|
655 }
|
|
|
656
|
|
|
657 /*ARGSUSED2*/
|
|
|
658 static gint
|
|
|
659 balloon_expose_event_cb(GtkWidget *widget, GdkEventExpose *event, gpointer data)
|
|
|
660 {
|
|
|
661 gtk_paint_flat_box(widget->style, widget->window,
|
|
|
662 GTK_STATE_NORMAL, GTK_SHADOW_OUT,
|
|
|
663 &event->area, widget, "tooltip",
|
|
|
664 0, 0, -1, -1);
|
|
|
665
|
|
|
666 return FALSE; /* continue emission */
|
|
|
667 }
|
|
|
668
|
|
|
669 # ifndef HAVE_GTK2
|
|
|
670 /*ARGSUSED2*/
|
|
|
671 static void
|
|
|
672 balloon_draw_cb(GtkWidget *widget, GdkRectangle *area, gpointer data)
|
|
|
673 {
|
|
|
674 GtkWidget *child;
|
|
|
675 GdkRectangle child_area;
|
|
|
676
|
|
|
677 gtk_paint_flat_box(widget->style, widget->window,
|
|
|
678 GTK_STATE_NORMAL, GTK_SHADOW_OUT,
|
|
|
679 area, widget, "tooltip",
|
|
|
680 0, 0, -1, -1);
|
|
|
681
|
|
|
682 child = GTK_BIN(widget)->child;
|
|
|
683
|
|
|
684 if (gtk_widget_intersect(child, area, &child_area))
|
|
|
685 gtk_widget_draw(child, &child_area);
|
|
|
686 }
|
|
|
687 # endif
|
|
|
688
|
|
|
689 #else /* !FEAT_GUI_GTK */
|
|
|
690
|
|
|
691 static void
|
|
|
692 addEventHandler(target, beval)
|
|
|
693 Widget target;
|
|
|
694 BalloonEval *beval;
|
|
|
695 {
|
|
|
696 XtAddEventHandler(target,
|
|
|
697 PointerMotionMask | EnterWindowMask |
|
|
|
698 LeaveWindowMask | ButtonPressMask | KeyPressMask |
|
|
|
699 KeyReleaseMask,
|
|
|
700 False,
|
|
|
701 pointerEventEH, (XtPointer)beval);
|
|
|
702 }
|
|
|
703
|
|
|
704 static void
|
|
|
705 removeEventHandler(beval)
|
|
|
706 BalloonEval *beval;
|
|
|
707 {
|
|
|
708 XtRemoveEventHandler(beval->target,
|
|
|
709 PointerMotionMask | EnterWindowMask |
|
|
|
710 LeaveWindowMask | ButtonPressMask | KeyPressMask |
|
|
|
711 KeyReleaseMask,
|
|
|
712 False,
|
|
|
713 pointerEventEH, (XtPointer)beval);
|
|
|
714 }
|
|
|
715
|
|
|
716
|
|
|
717 /*
|
|
|
718 * The X event handler. All it does is call the real event handler.
|
|
|
719 */
|
|
|
720 /*ARGSUSED*/
|
|
|
721 static void
|
|
|
722 pointerEventEH(w, client_data, event, unused)
|
|
|
723 Widget w;
|
|
|
724 XtPointer client_data;
|
|
|
725 XEvent *event;
|
|
|
726 Boolean *unused;
|
|
|
727 {
|
|
|
728 BalloonEval *beval = (BalloonEval *)client_data;
|
|
|
729 pointerEvent(beval, event);
|
|
|
730 }
|
|
|
731
|
|
|
732
|
|
|
733 /*
|
|
|
734 * The real event handler. Called by pointerEventEH() whenever an event we are
|
|
|
735 * interested in ocurrs.
|
|
|
736 */
|
|
|
737
|
|
|
738 static void
|
|
|
739 pointerEvent(beval, event)
|
|
|
740 BalloonEval *beval;
|
|
|
741 XEvent *event;
|
|
|
742 {
|
|
|
743 Position distance; /* a measure of how much the ponter moved */
|
|
|
744 Position delta; /* used to compute distance */
|
|
|
745
|
|
|
746 switch (event->type)
|
|
|
747 {
|
|
|
748 case EnterNotify:
|
|
|
749 case MotionNotify:
|
|
|
750 delta = event->xmotion.x - beval->x;
|
|
|
751 if (delta < 0)
|
|
|
752 delta = -delta;
|
|
|
753 distance = delta;
|
|
|
754 delta = event->xmotion.y - beval->y;
|
|
|
755 if (delta < 0)
|
|
|
756 delta = -delta;
|
|
|
757 distance += delta;
|
|
|
758 if (distance > 4)
|
|
|
759 {
|
|
|
760 /*
|
|
|
761 * Moved out of the balloon location: cancel it.
|
|
|
762 * Remember button state
|
|
|
763 */
|
|
|
764 beval->state = event->xmotion.state;
|
|
|
765 if (beval->state & (Button1Mask|Button2Mask|Button3Mask))
|
|
|
766 {
|
|
|
767 /* Mouse buttons are pressed - no balloon now */
|
|
|
768 cancelBalloon(beval);
|
|
|
769 }
|
|
|
770 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask))
|
|
|
771 {
|
|
|
772 /*
|
|
|
773 * Alt is pressed -- enter super-evaluate-mode,
|
|
|
774 * where there is no time delay
|
|
|
775 */
|
|
|
776 beval->x = event->xmotion.x;
|
|
|
777 beval->y = event->xmotion.y;
|
|
|
778 beval->x_root = event->xmotion.x_root;
|
|
|
779 beval->y_root = event->xmotion.y_root;
|
|
|
780 cancelBalloon(beval);
|
|
|
781 if (beval->msgCB != NULL)
|
|
|
782 {
|
|
|
783 beval->showState = ShS_PENDING;
|
|
|
784 (*beval->msgCB)(beval, beval->state);
|
|
|
785 }
|
|
|
786 }
|
|
|
787 else
|
|
|
788 {
|
|
|
789 beval->x = event->xmotion.x;
|
|
|
790 beval->y = event->xmotion.y;
|
|
|
791 beval->x_root = event->xmotion.x_root;
|
|
|
792 beval->y_root = event->xmotion.y_root;
|
|
|
793 cancelBalloon(beval);
|
|
|
794 beval->timerID = XtAppAddTimeOut( beval->appContext,
|
|
|
795 (long_u)p_bdlay, timerRoutine, beval);
|
|
|
796 }
|
|
|
797 }
|
|
|
798 break;
|
|
|
799
|
|
|
800 /*
|
|
|
801 * Motif and Athena version: Keystrokes will be caught by the
|
|
|
802 * "textArea" widget, and handled in gui_x11_key_hit_cb().
|
|
|
803 */
|
|
|
804 case KeyPress:
|
|
|
805 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL)
|
|
|
806 {
|
|
|
807 Modifiers modifier;
|
|
|
808 KeySym keysym;
|
|
|
809
|
|
|
810 XtTranslateKeycode(gui.dpy,
|
|
|
811 event->xkey.keycode, event->xkey.state,
|
|
|
812 &modifier, &keysym);
|
|
|
813 if (keysym == XK_Shift_L || keysym == XK_Shift_R)
|
|
|
814 {
|
|
|
815 beval->showState = ShS_UPDATE_PENDING;
|
|
|
816 (*beval->msgCB)(beval, ShiftMask);
|
|
|
817 }
|
|
|
818 else if (keysym == XK_Control_L || keysym == XK_Control_R)
|
|
|
819 {
|
|
|
820 beval->showState = ShS_UPDATE_PENDING;
|
|
|
821 (*beval->msgCB)(beval, ControlMask);
|
|
|
822 }
|
|
|
823 else
|
|
|
824 cancelBalloon(beval);
|
|
|
825 }
|
|
|
826 else
|
|
|
827 cancelBalloon(beval);
|
|
|
828 break;
|
|
|
829
|
|
|
830 case KeyRelease:
|
|
|
831 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL)
|
|
|
832 {
|
|
|
833 Modifiers modifier;
|
|
|
834 KeySym keysym;
|
|
|
835
|
|
|
836 XtTranslateKeycode(gui.dpy, event->xkey.keycode,
|
|
|
837 event->xkey.state, &modifier, &keysym);
|
|
|
838 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) {
|
|
|
839 beval->showState = ShS_UPDATE_PENDING;
|
|
|
840 (*beval->msgCB)(beval, 0);
|
|
|
841 }
|
|
|
842 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R))
|
|
|
843 {
|
|
|
844 beval->showState = ShS_UPDATE_PENDING;
|
|
|
845 (*beval->msgCB)(beval, 0);
|
|
|
846 }
|
|
|
847 else
|
|
|
848 cancelBalloon(beval);
|
|
|
849 }
|
|
|
850 else
|
|
|
851 cancelBalloon(beval);
|
|
|
852 break;
|
|
|
853
|
|
|
854 case LeaveNotify:
|
|
|
855 /* Ignore LeaveNotify events that are not "normal".
|
|
|
856 * Apparently we also get it when somebody else grabs focus.
|
|
|
857 * Happens for me every two seconds (some clipboard tool?) */
|
|
|
858 if (event->xcrossing.mode == NotifyNormal)
|
|
|
859 cancelBalloon(beval);
|
|
|
860 break;
|
|
|
861
|
|
|
862 case ButtonPress:
|
|
|
863 cancelBalloon(beval);
|
|
|
864 break;
|
|
|
865
|
|
|
866 default:
|
|
|
867 break;
|
|
|
868 }
|
|
|
869 }
|
|
|
870
|
|
|
871 /*ARGSUSED*/
|
|
|
872 static void
|
|
|
873 timerRoutine(dx, id)
|
|
|
874 XtPointer dx;
|
|
|
875 XtIntervalId *id;
|
|
|
876 {
|
|
|
877 BalloonEval *beval = (BalloonEval *)dx;
|
|
|
878
|
|
|
879 beval->timerID = (XtIntervalId)NULL;
|
|
|
880
|
|
|
881 /*
|
|
|
882 * If the timer event happens then the mouse has stopped long enough for
|
|
|
883 * a request to be started. The request will only send to the debugger if
|
|
|
884 * there the mouse is pointing at real data.
|
|
|
885 */
|
|
|
886 requestBalloon(beval);
|
|
|
887 }
|
|
|
888
|
|
|
889 #endif /* !FEAT_GUI_GTK */
|
|
|
890
|
|
|
891 static void
|
|
|
892 requestBalloon(beval)
|
|
|
893 BalloonEval *beval;
|
|
|
894 {
|
|
|
895 if (beval->showState != ShS_PENDING)
|
|
|
896 {
|
|
|
897 /* Determine the beval to display */
|
|
|
898 if (beval->msgCB != NULL)
|
|
|
899 {
|
|
|
900 beval->showState = ShS_PENDING;
|
|
|
901 (*beval->msgCB)(beval, beval->state);
|
|
|
902 }
|
|
|
903 else if (beval->msg != NULL)
|
|
|
904 drawBalloon(beval);
|
|
|
905 }
|
|
|
906 }
|
|
|
907
|
|
|
908 #ifdef FEAT_GUI_GTK
|
|
|
909
|
|
|
910 # ifdef HAVE_GTK2
|
|
|
911 /*
|
|
|
912 * Convert the string to UTF-8 if 'encoding' is not "utf-8".
|
|
|
913 * Replace any non-printable characters and invalid bytes sequences with
|
|
|
914 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them.
|
|
|
915 * TAB and NL are passed through unscathed.
|
|
|
916 */
|
|
|
917 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \
|
|
|
918 || (c) == DEL)
|
|
|
919 static void
|
|
|
920 set_printable_label_text(GtkLabel *label, char_u *msg)
|
|
|
921 {
|
|
|
922 char_u *convbuf = NULL;
|
|
|
923 char_u *buf;
|
|
|
924 char_u *p;
|
|
|
925 char_u *pdest;
|
|
|
926 unsigned int len;
|
|
|
927 int charlen;
|
|
|
928 int uc;
|
|
|
929 PangoAttrList *attr_list;
|
|
|
930
|
|
|
931 /* Convert to UTF-8 if it isn't already */
|
|
|
932 if (output_conv.vc_type != CONV_NONE)
|
|
|
933 {
|
|
|
934 convbuf = string_convert(&output_conv, msg, NULL);
|
|
|
935 if (convbuf != NULL)
|
|
|
936 msg = convbuf;
|
|
|
937 }
|
|
|
938
|
|
|
939 /* First let's see how much we need to allocate */
|
|
|
940 len = 0;
|
|
|
941 for (p = msg; *p != NUL; p += charlen)
|
|
|
942 {
|
|
|
943 if ((*p & 0x80) == 0) /* be quick for ASCII */
|
|
|
944 {
|
|
|
945 charlen = 1;
|
|
|
946 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */
|
|
|
947 }
|
|
|
948 else
|
|
|
949 {
|
|
474
|
950 charlen = utf_ptr2len(p);
|
|
7
|
951 uc = utf_ptr2char(p);
|
|
|
952
|
|
|
953 if (charlen != utf_char2len(uc))
|
|
|
954 charlen = 1; /* reject overlong sequences */
|
|
|
955
|
|
|
956 if (charlen == 1 || uc < 0xa0) /* illegal byte or */
|
|
|
957 len += 4; /* control char: <xx> */
|
|
|
958 else if (!utf_printable(uc))
|
|
|
959 /* Note: we assume here that utf_printable() doesn't
|
|
|
960 * care about characters outside the BMP. */
|
|
|
961 len += 6; /* nonprintable: <xxxx> */
|
|
|
962 else
|
|
|
963 len += charlen;
|
|
|
964 }
|
|
|
965 }
|
|
|
966
|
|
|
967 attr_list = pango_attr_list_new();
|
|
|
968 buf = alloc(len + 1);
|
|
|
969
|
|
|
970 /* Now go for the real work */
|
|
|
971 if (buf != NULL)
|
|
|
972 {
|
|
|
973 attrentry_T *aep;
|
|
|
974 PangoAttribute *attr;
|
|
|
975 guicolor_T pixel;
|
|
|
976 GdkColor color = { 0, 0, 0, 0 };
|
|
|
977
|
|
|
978 /* Look up the RGB values of the SpecialKey foreground color. */
|
|
|
979 aep = syn_gui_attr2entry(hl_attr(HLF_8));
|
|
|
980 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR;
|
|
|
981 if (pixel != INVALCOLOR)
|
|
|
982 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea),
|
|
|
983 (unsigned long)pixel, &color);
|
|
|
984
|
|
|
985 pdest = buf;
|
|
|
986 p = msg;
|
|
|
987 while (*p != NUL)
|
|
|
988 {
|
|
|
989 /* Be quick for ASCII */
|
|
|
990 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p))
|
|
|
991 {
|
|
|
992 *pdest++ = *p++;
|
|
|
993 }
|
|
|
994 else
|
|
|
995 {
|
|
474
|
996 charlen = utf_ptr2len(p);
|
|
7
|
997 uc = utf_ptr2char(p);
|
|
|
998
|
|
|
999 if (charlen != utf_char2len(uc))
|
|
|
1000 charlen = 1; /* reject overlong sequences */
|
|
|
1001
|
|
|
1002 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc))
|
|
|
1003 {
|
|
|
1004 int outlen;
|
|
|
1005
|
|
|
1006 /* Careful: we can't just use transchar_byte() here,
|
|
|
1007 * since 'encoding' is not necessarily set to "utf-8". */
|
|
|
1008 if (*p & 0x80 && charlen == 1)
|
|
|
1009 {
|
|
|
1010 transchar_hex(pdest, *p); /* <xx> */
|
|
|
1011 outlen = 4;
|
|
|
1012 }
|
|
|
1013 else if (uc >= 0x80)
|
|
|
1014 {
|
|
|
1015 /* Note: we assume here that utf_printable() doesn't
|
|
|
1016 * care about characters outside the BMP. */
|
|
|
1017 transchar_hex(pdest, uc); /* <xx> or <xxxx> */
|
|
|
1018 outlen = (uc < 0x100) ? 4 : 6;
|
|
|
1019 }
|
|
|
1020 else
|
|
|
1021 {
|
|
|
1022 transchar_nonprint(pdest, *p); /* ^X */
|
|
|
1023 outlen = 2;
|
|
|
1024 }
|
|
|
1025 if (pixel != INVALCOLOR)
|
|
|
1026 {
|
|
|
1027 attr = pango_attr_foreground_new(
|
|
|
1028 color.red, color.green, color.blue);
|
|
|
1029 attr->start_index = pdest - buf;
|
|
|
1030 attr->end_index = pdest - buf + outlen;
|
|
|
1031 pango_attr_list_insert(attr_list, attr);
|
|
|
1032 }
|
|
|
1033 pdest += outlen;
|
|
|
1034 p += charlen;
|
|
|
1035 }
|
|
|
1036 else
|
|
|
1037 {
|
|
|
1038 do
|
|
|
1039 *pdest++ = *p++;
|
|
|
1040 while (--charlen != 0);
|
|
|
1041 }
|
|
|
1042 }
|
|
|
1043 }
|
|
|
1044 *pdest = NUL;
|
|
|
1045 }
|
|
|
1046
|
|
|
1047 vim_free(convbuf);
|
|
|
1048
|
|
|
1049 gtk_label_set_text(label, (const char *)buf);
|
|
|
1050 vim_free(buf);
|
|
|
1051
|
|
|
1052 gtk_label_set_attributes(label, attr_list);
|
|
|
1053 pango_attr_list_unref(attr_list);
|
|
|
1054 }
|
|
|
1055 # undef IS_NONPRINTABLE
|
|
|
1056 # endif /* HAVE_GTK2 */
|
|
|
1057
|
|
|
1058 /*
|
|
|
1059 * Draw a balloon.
|
|
|
1060 */
|
|
|
1061 static void
|
|
|
1062 drawBalloon(BalloonEval *beval)
|
|
|
1063 {
|
|
|
1064 if (beval->msg != NULL)
|
|
|
1065 {
|
|
|
1066 GtkRequisition requisition;
|
|
|
1067 int screen_w;
|
|
|
1068 int screen_h;
|
|
|
1069 int x;
|
|
|
1070 int y;
|
|
|
1071 int x_offset = EVAL_OFFSET_X;
|
|
|
1072 int y_offset = EVAL_OFFSET_Y;
|
|
|
1073 # ifdef HAVE_GTK2
|
|
|
1074 PangoLayout *layout;
|
|
|
1075 # endif
|
|
|
1076 # ifdef HAVE_GTK_MULTIHEAD
|
|
|
1077 GdkScreen *screen;
|
|
|
1078
|
|
|
1079 screen = gtk_widget_get_screen(beval->target);
|
|
|
1080 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen);
|
|
|
1081 screen_w = gdk_screen_get_width(screen);
|
|
|
1082 screen_h = gdk_screen_get_height(screen);
|
|
|
1083 # else
|
|
|
1084 screen_w = gdk_screen_width();
|
|
|
1085 screen_h = gdk_screen_height();
|
|
|
1086 # endif
|
|
|
1087 gtk_widget_ensure_style(beval->balloonShell);
|
|
|
1088 gtk_widget_ensure_style(beval->balloonLabel);
|
|
|
1089
|
|
|
1090 # ifdef HAVE_GTK2
|
|
|
1091 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg);
|
|
|
1092 /*
|
|
|
1093 * Dirty trick: Enable wrapping mode on the label's layout behind its
|
|
|
1094 * back. This way GtkLabel won't try to constrain the wrap width to a
|
|
|
1095 * builtin maximum value of about 65 Latin characters.
|
|
|
1096 */
|
|
|
1097 layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel));
|
|
|
1098 # ifdef PANGO_WRAP_WORD_CHAR
|
|
|
1099 pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
|
|
|
1100 # else
|
|
|
1101 pango_layout_set_wrap(layout, PANGO_WRAP_WORD);
|
|
|
1102 # endif
|
|
|
1103 pango_layout_set_width(layout,
|
|
|
1104 /* try to come up with some reasonable width */
|
|
|
1105 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width,
|
|
|
1106 screen_w / 2,
|
|
|
1107 MAX(20, screen_w - 20)));
|
|
|
1108
|
|
|
1109 /* Calculate the balloon's width and height. */
|
|
|
1110 gtk_widget_size_request(beval->balloonShell, &requisition);
|
|
|
1111 # else
|
|
|
1112 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE);
|
|
|
1113 gtk_label_set_text(GTK_LABEL(beval->balloonLabel),
|
|
|
1114 (const char *)beval->msg);
|
|
|
1115
|
|
|
1116 /* Calculate the balloon's width and height. */
|
|
|
1117 gtk_widget_size_request(beval->balloonShell, &requisition);
|
|
|
1118 /*
|
|
|
1119 * Unfortunately, the dirty trick used above to get around the builtin
|
|
|
1120 * maximum wrap width of GtkLabel doesn't work with GTK+ 1. Thus if
|
|
|
1121 * and only if it's absolutely necessary to avoid drawing off-screen,
|
|
|
1122 * do enable wrapping now and recalculate the size request.
|
|
|
1123 */
|
|
|
1124 if (requisition.width > screen_w)
|
|
|
1125 {
|
|
|
1126 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), TRUE);
|
|
|
1127 gtk_widget_size_request(beval->balloonShell, &requisition);
|
|
|
1128 }
|
|
|
1129 # endif
|
|
|
1130
|
|
|
1131 /* Compute position of the balloon area */
|
|
|
1132 gdk_window_get_origin(beval->target->window, &x, &y);
|
|
|
1133 x += beval->x;
|
|
|
1134 y += beval->y;
|
|
|
1135
|
|
|
1136 /* Get out of the way of the mouse pointer */
|
|
|
1137 if (x + x_offset + requisition.width > screen_w)
|
|
|
1138 y_offset += 15;
|
|
|
1139 if (y + y_offset + requisition.height > screen_h)
|
|
|
1140 y_offset = -requisition.height - EVAL_OFFSET_Y;
|
|
|
1141
|
|
|
1142 /* Sanitize values */
|
|
|
1143 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width));
|
|
|
1144 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height));
|
|
|
1145
|
|
|
1146 /* Show the balloon */
|
|
|
1147 gtk_widget_set_uposition(beval->balloonShell, x, y);
|
|
|
1148 gtk_widget_show(beval->balloonShell);
|
|
|
1149
|
|
|
1150 beval->showState = ShS_SHOWING;
|
|
|
1151 }
|
|
|
1152 }
|
|
|
1153
|
|
|
1154 /*
|
|
|
1155 * Undraw a balloon.
|
|
|
1156 */
|
|
|
1157 static void
|
|
|
1158 undrawBalloon(BalloonEval *beval)
|
|
|
1159 {
|
|
|
1160 if (beval->balloonShell != NULL)
|
|
|
1161 gtk_widget_hide(beval->balloonShell);
|
|
|
1162 beval->showState = ShS_NEUTRAL;
|
|
|
1163 }
|
|
|
1164
|
|
|
1165 static void
|
|
|
1166 cancelBalloon(BalloonEval *beval)
|
|
|
1167 {
|
|
|
1168 if (beval->showState == ShS_SHOWING
|
|
|
1169 || beval->showState == ShS_UPDATE_PENDING)
|
|
|
1170 undrawBalloon(beval);
|
|
|
1171
|
|
|
1172 if (beval->timerID != 0)
|
|
|
1173 {
|
|
|
1174 gtk_timeout_remove(beval->timerID);
|
|
|
1175 beval->timerID = 0;
|
|
|
1176 }
|
|
|
1177 beval->showState = ShS_NEUTRAL;
|
|
|
1178 }
|
|
|
1179
|
|
|
1180 static void
|
|
|
1181 createBalloonEvalWindow(BalloonEval *beval)
|
|
|
1182 {
|
|
|
1183 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP);
|
|
|
1184
|
|
|
1185 gtk_widget_set_app_paintable(beval->balloonShell, TRUE);
|
|
|
1186 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE);
|
|
|
1187 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips");
|
|
|
1188 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4);
|
|
|
1189
|
|
|
1190 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event",
|
|
|
1191 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL);
|
|
|
1192 # ifndef HAVE_GTK2
|
|
|
1193 gtk_signal_connect((GtkObject*)(beval->balloonShell), "draw",
|
|
|
1194 GTK_SIGNAL_FUNC(balloon_draw_cb), NULL);
|
|
|
1195 # endif
|
|
|
1196 beval->balloonLabel = gtk_label_new(NULL);
|
|
|
1197
|
|
|
1198 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE);
|
|
|
1199 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT);
|
|
|
1200 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f);
|
|
|
1201 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label");
|
|
|
1202 gtk_widget_show(beval->balloonLabel);
|
|
|
1203
|
|
|
1204 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel);
|
|
|
1205 }
|
|
|
1206
|
|
|
1207 #else /* !FEAT_GUI_GTK */
|
|
|
1208
|
|
|
1209 /*
|
|
|
1210 * Draw a balloon.
|
|
|
1211 */
|
|
|
1212 static void
|
|
|
1213 drawBalloon(beval)
|
|
|
1214 BalloonEval *beval;
|
|
|
1215 {
|
|
|
1216 Dimension w;
|
|
|
1217 Dimension h;
|
|
|
1218 Position tx;
|
|
|
1219 Position ty;
|
|
|
1220
|
|
|
1221 if (beval->msg != NULL)
|
|
|
1222 {
|
|
|
1223 /* Show the Balloon */
|
|
|
1224
|
|
|
1225 /* Calculate the label's width and height */
|
|
|
1226 #ifdef FEAT_GUI_MOTIF
|
|
|
1227 XmString s;
|
|
|
1228
|
|
|
1229 /* For the callback function we parse NL characters to create a
|
|
|
1230 * multi-line label. This doesn't work for all languages, but
|
|
|
1231 * XmStringCreateLocalized() doesn't do multi-line labels... */
|
|
|
1232 if (beval->msgCB != NULL)
|
|
|
1233 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG);
|
|
|
1234 else
|
|
|
1235 s = XmStringCreateLocalized((char *)beval->msg);
|
|
|
1236 {
|
|
|
1237 XmFontList fl;
|
|
|
1238
|
|
|
1239 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset);
|
|
|
1240 if (fl != NULL)
|
|
|
1241 {
|
|
|
1242 XmStringExtent(fl, s, &w, &h);
|
|
|
1243 XmFontListFree(fl);
|
|
|
1244 }
|
|
|
1245 }
|
|
|
1246 w += gui.border_offset << 1;
|
|
|
1247 h += gui.border_offset << 1;
|
|
|
1248 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL);
|
|
|
1249 XmStringFree(s);
|
|
|
1250 #else /* Athena */
|
|
|
1251 /* Assume XtNinternational == True */
|
|
|
1252 XFontSet fset;
|
|
|
1253 XFontSetExtents *ext;
|
|
|
1254
|
|
|
1255 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL);
|
|
|
1256 ext = XExtentsOfFontSet(fset);
|
|
|
1257 h = ext->max_ink_extent.height;
|
|
|
1258 w = XmbTextEscapement(fset,
|
|
|
1259 (char *)beval->msg,
|
|
|
1260 (int)STRLEN(beval->msg));
|
|
|
1261 w += gui.border_offset << 1;
|
|
|
1262 h += gui.border_offset << 1;
|
|
|
1263 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL);
|
|
|
1264 #endif
|
|
|
1265
|
|
|
1266 /* Compute position of the balloon area */
|
|
|
1267 tx = beval->x_root + EVAL_OFFSET_X;
|
|
|
1268 ty = beval->y_root + EVAL_OFFSET_Y;
|
|
|
1269 if ((tx + w) > beval->screen_width)
|
|
|
1270 tx = beval->screen_width - w;
|
|
|
1271 if ((ty + h) > beval->screen_height)
|
|
|
1272 ty = beval->screen_height - h;
|
|
|
1273 #ifdef FEAT_GUI_MOTIF
|
|
|
1274 XtVaSetValues(beval->balloonShell,
|
|
|
1275 XmNx, tx,
|
|
|
1276 XmNy, ty,
|
|
|
1277 NULL);
|
|
|
1278 #else
|
|
|
1279 /* Athena */
|
|
|
1280 XtVaSetValues(beval->balloonShell,
|
|
|
1281 XtNx, tx,
|
|
|
1282 XtNy, ty,
|
|
|
1283 NULL);
|
|
|
1284 #endif
|
|
|
1285
|
|
|
1286 XtPopup(beval->balloonShell, XtGrabNone);
|
|
|
1287
|
|
|
1288 beval->showState = ShS_SHOWING;
|
|
|
1289
|
|
|
1290 current_beval = beval;
|
|
|
1291 }
|
|
|
1292 }
|
|
|
1293
|
|
|
1294 /*
|
|
|
1295 * Undraw a balloon.
|
|
|
1296 */
|
|
|
1297 static void
|
|
|
1298 undrawBalloon(beval)
|
|
|
1299 BalloonEval *beval;
|
|
|
1300 {
|
|
|
1301 if (beval->balloonShell != (Widget)0)
|
|
|
1302 XtPopdown(beval->balloonShell);
|
|
|
1303 beval->showState = ShS_NEUTRAL;
|
|
|
1304
|
|
|
1305 current_beval = NULL;
|
|
|
1306 }
|
|
|
1307
|
|
|
1308 static void
|
|
|
1309 cancelBalloon(beval)
|
|
|
1310 BalloonEval *beval;
|
|
|
1311 {
|
|
|
1312 if (beval->showState == ShS_SHOWING
|
|
|
1313 || beval->showState == ShS_UPDATE_PENDING)
|
|
|
1314 undrawBalloon(beval);
|
|
|
1315
|
|
|
1316 if (beval->timerID != (XtIntervalId)NULL)
|
|
|
1317 {
|
|
|
1318 XtRemoveTimeOut(beval->timerID);
|
|
|
1319 beval->timerID = (XtIntervalId)NULL;
|
|
|
1320 }
|
|
|
1321 beval->showState = ShS_NEUTRAL;
|
|
|
1322 }
|
|
|
1323
|
|
|
1324
|
|
|
1325 static void
|
|
|
1326 createBalloonEvalWindow(beval)
|
|
|
1327 BalloonEval *beval;
|
|
|
1328 {
|
|
|
1329 Arg args[12];
|
|
|
1330 int n;
|
|
|
1331
|
|
|
1332 n = 0;
|
|
|
1333 #ifdef FEAT_GUI_MOTIF
|
|
|
1334 XtSetArg(args[n], XmNallowShellResize, True); n++;
|
|
|
1335 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval",
|
|
|
1336 overrideShellWidgetClass, gui.dpy, args, n);
|
|
|
1337 #else
|
|
|
1338 /* Athena */
|
|
|
1339 XtSetArg(args[n], XtNallowShellResize, True); n++;
|
|
|
1340 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval",
|
|
|
1341 overrideShellWidgetClass, gui.dpy, args, n);
|
|
|
1342 #endif
|
|
|
1343
|
|
|
1344 n = 0;
|
|
|
1345 #ifdef FEAT_GUI_MOTIF
|
|
|
1346 {
|
|
|
1347 XmFontList fl;
|
|
|
1348
|
|
|
1349 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset);
|
|
|
1350 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++;
|
|
|
1351 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++;
|
|
|
1352 XtSetArg(args[n], XmNfontList, fl); n++;
|
|
|
1353 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++;
|
|
|
1354 beval->balloonLabel = XtCreateManagedWidget("balloonLabel",
|
|
|
1355 xmLabelWidgetClass, beval->balloonShell, args, n);
|
|
|
1356 }
|
|
|
1357 #else /* FEAT_GUI_ATHENA */
|
|
|
1358 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++;
|
|
|
1359 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++;
|
|
|
1360 XtSetArg(args[n], XtNinternational, True); n++;
|
|
|
1361 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++;
|
|
|
1362 beval->balloonLabel = XtCreateManagedWidget("balloonLabel",
|
|
|
1363 labelWidgetClass, beval->balloonShell, args, n);
|
|
|
1364 #endif
|
|
|
1365 }
|
|
|
1366
|
|
|
1367 #endif /* !FEAT_GUI_GTK */
|
|
|
1368 #endif /* !FEAT_GUI_W32 */
|
|
|
1369
|
|
|
1370 #endif /* FEAT_BEVAL */
|
