Mercurial > vim
annotate src/gui_beval.c @ 14497:a7b2dc5f1306 v8.1.0262
patch 8.1.0262: not enough testing for getftype()
commit https://github.com/vim/vim/commit/1598f9937a18c056d7b713dc254325c8f8456c8f
Author: Bram Moolenaar <Bram@vim.org>
Date: Thu Aug 9 22:08:57 2018 +0200
patch 8.1.0262: not enough testing for getftype()
Problem: Not enough testing for getftype().
Solution: Add a test. (Dominique Pelle, closes https://github.com/vim/vim/issues/3300)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Thu, 09 Aug 2018 22:15:04 +0200 |
| parents | 4cb334816bb1 |
| children | f8cd07a1cbb5 |
| rev | line source |
|---|---|
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1 /* vi:set ts=8 sts=4 sw=4 noet: |
| 7 | 2 * |
| 3 * VIM - Vi IMproved by Bram Moolenaar | |
| 4 * Visual Workshop integration by Gordon Prieur | |
| 5 * | |
| 6 * Do ":help uganda" in Vim to read copying and usage conditions. | |
| 7 * Do ":help credits" in Vim to see a list of people who contributed. | |
| 8 * See README.txt for an overview of the Vim source code. | |
| 9 */ | |
| 10 | |
| 11 #include "vim.h" | |
| 12 | |
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13 #if defined(FEAT_BEVAL_GUI) || defined(PROTO) |
| 192 | 14 |
| 15 /* on Win32 only get_beval_info() is required */ | |
| 7 | 16 #if !defined(FEAT_GUI_W32) || defined(PROTO) |
| 17 | |
| 18 #ifdef FEAT_GUI_GTK | |
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19 # if GTK_CHECK_VERSION(3,0,0) |
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20 # include <gdk/gdkkeysyms-compat.h> |
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21 # else |
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22 # include <gdk/gdkkeysyms.h> |
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23 # endif |
| 7 | 24 # include <gtk/gtk.h> |
| 25 #else | |
| 26 # include <X11/keysym.h> | |
| 27 # ifdef FEAT_GUI_MOTIF | |
| 28 # include <Xm/PushB.h> | |
| 29 # include <Xm/Separator.h> | |
| 30 # include <Xm/List.h> | |
| 31 # include <Xm/Label.h> | |
| 32 # include <Xm/AtomMgr.h> | |
| 33 # include <Xm/Protocols.h> | |
| 34 # else | |
| 35 /* Assume Athena */ | |
| 36 # include <X11/Shell.h> | |
| 680 | 37 # ifdef FEAT_GUI_NEXTAW |
| 38 # include <X11/neXtaw/Label.h> | |
| 39 # else | |
| 40 # include <X11/Xaw/Label.h> | |
| 41 # endif | |
| 7 | 42 # endif |
| 43 #endif | |
| 44 | |
| 45 #ifndef FEAT_GUI_GTK | |
| 46 extern Widget vimShell; | |
| 47 | |
| 48 /* | |
| 49 * Currently, we assume that there can be only one BalloonEval showing | |
| 50 * on-screen at any given moment. This variable will hold the currently | |
| 51 * showing BalloonEval or NULL if none is showing. | |
| 52 */ | |
| 53 static BalloonEval *current_beval = NULL; | |
| 54 #endif | |
| 55 | |
| 56 #ifdef FEAT_GUI_GTK | |
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57 static void addEventHandler(GtkWidget *, BalloonEval *); |
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58 static void removeEventHandler(BalloonEval *); |
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59 static gint target_event_cb(GtkWidget *, GdkEvent *, gpointer); |
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60 static gint mainwin_event_cb(GtkWidget *, GdkEvent *, gpointer); |
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61 static void pointer_event(BalloonEval *, int, int, unsigned); |
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62 static void key_event(BalloonEval *, unsigned, int); |
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63 # if GTK_CHECK_VERSION(3,0,0) |
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64 static gboolean timeout_cb(gpointer); |
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65 # else |
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66 static gint timeout_cb(gpointer); |
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67 # endif |
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68 # if GTK_CHECK_VERSION(3,0,0) |
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69 static gboolean balloon_draw_event_cb (GtkWidget *, cairo_t *, gpointer); |
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70 # else |
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71 static gint balloon_expose_event_cb (GtkWidget *, GdkEventExpose *, gpointer); |
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72 # endif |
| 7 | 73 #else |
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74 static void addEventHandler(Widget, BalloonEval *); |
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75 static void removeEventHandler(BalloonEval *); |
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76 static void pointerEventEH(Widget, XtPointer, XEvent *, Boolean *); |
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77 static void pointerEvent(BalloonEval *, XEvent *); |
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78 static void timerRoutine(XtPointer, XtIntervalId *); |
| 7 | 79 #endif |
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80 static void cancelBalloon(BalloonEval *); |
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81 static void requestBalloon(BalloonEval *); |
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82 static void drawBalloon(BalloonEval *); |
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83 static void undrawBalloon(BalloonEval *beval); |
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84 static void createBalloonEvalWindow(BalloonEval *); |
| 7 | 85 |
| 86 /* | |
| 87 * Create a balloon-evaluation area for a Widget. | |
| 88 * There can be either a "mesg" for a fixed string or "mesgCB" to generate a | |
| 89 * message by calling this callback function. | |
| 90 * When "mesg" is not NULL it must remain valid for as long as the balloon is | |
| 91 * used. It is not freed here. | |
| 92 * Returns a pointer to the resulting object (NULL when out of memory). | |
| 93 */ | |
| 94 BalloonEval * | |
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95 gui_mch_create_beval_area( |
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96 void *target, |
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97 char_u *mesg, |
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98 void (*mesgCB)(BalloonEval *, int), |
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99 void *clientData) |
| 7 | 100 { |
| 101 #ifndef FEAT_GUI_GTK | |
| 102 char *display_name; /* get from gui.dpy */ | |
| 103 int screen_num; | |
| 104 char *p; | |
| 105 #endif | |
| 106 BalloonEval *beval; | |
| 107 | |
| 108 if (mesg != NULL && mesgCB != NULL) | |
| 109 { | |
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110 IEMSG(_("E232: Cannot create BalloonEval with both message and callback")); |
| 7 | 111 return NULL; |
| 112 } | |
| 113 | |
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114 beval = (BalloonEval *)alloc_clear(sizeof(BalloonEval)); |
| 7 | 115 if (beval != NULL) |
| 116 { | |
| 117 #ifdef FEAT_GUI_GTK | |
| 118 beval->target = GTK_WIDGET(target); | |
| 119 #else | |
| 120 beval->target = (Widget)target; | |
| 121 beval->appContext = XtWidgetToApplicationContext((Widget)target); | |
| 122 #endif | |
| 123 beval->showState = ShS_NEUTRAL; | |
| 124 beval->msg = mesg; | |
| 125 beval->msgCB = mesgCB; | |
| 126 beval->clientData = clientData; | |
| 127 | |
| 128 /* | |
| 129 * Set up event handler which will keep its eyes on the pointer, | |
| 130 * and when the pointer rests in a certain spot for a given time | |
| 131 * interval, show the beval. | |
| 132 */ | |
| 133 addEventHandler(beval->target, beval); | |
| 134 createBalloonEvalWindow(beval); | |
| 135 | |
| 136 #ifndef FEAT_GUI_GTK | |
| 137 /* | |
| 138 * Now create and save the screen width and height. Used in drawing. | |
| 139 */ | |
| 140 display_name = DisplayString(gui.dpy); | |
| 141 p = strrchr(display_name, '.'); | |
| 142 if (p != NULL) | |
| 143 screen_num = atoi(++p); | |
| 144 else | |
| 145 screen_num = 0; | |
| 146 beval->screen_width = DisplayWidth(gui.dpy, screen_num); | |
| 147 beval->screen_height = DisplayHeight(gui.dpy, screen_num); | |
| 148 #endif | |
| 149 } | |
| 150 | |
| 151 return beval; | |
| 152 } | |
| 153 | |
| 154 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 155 /* | |
| 1228 | 156 * Destroy a balloon-eval and free its associated memory. |
| 7 | 157 */ |
| 158 void | |
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159 gui_mch_destroy_beval_area(BalloonEval *beval) |
| 7 | 160 { |
| 161 cancelBalloon(beval); | |
| 162 removeEventHandler(beval); | |
| 163 /* Children will automatically be destroyed */ | |
| 164 # ifdef FEAT_GUI_GTK | |
| 165 gtk_widget_destroy(beval->balloonShell); | |
| 166 # else | |
| 167 XtDestroyWidget(beval->balloonShell); | |
| 168 # endif | |
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169 # ifdef FEAT_VARTABS |
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170 if (beval->vts) |
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171 vim_free(beval->vts); |
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172 # endif |
| 7 | 173 vim_free(beval); |
| 174 } | |
| 175 #endif | |
| 176 | |
| 177 void | |
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178 gui_mch_enable_beval_area(BalloonEval *beval) |
| 7 | 179 { |
| 180 if (beval != NULL) | |
| 181 addEventHandler(beval->target, beval); | |
| 182 } | |
| 183 | |
| 184 void | |
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185 gui_mch_disable_beval_area(BalloonEval *beval) |
| 7 | 186 { |
| 187 if (beval != NULL) | |
| 188 removeEventHandler(beval); | |
| 189 } | |
| 190 | |
| 191 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 192 /* | |
| 193 * This function returns the BalloonEval * associated with the currently | |
| 194 * displayed tooltip. Returns NULL if there is no tooltip currently showing. | |
| 195 * | |
| 196 * Assumption: Only one tooltip can be shown at a time. | |
| 197 */ | |
| 198 BalloonEval * | |
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199 gui_mch_currently_showing_beval(void) |
| 7 | 200 { |
| 201 return current_beval; | |
| 202 } | |
| 203 #endif | |
| 204 #endif /* !FEAT_GUI_W32 */ | |
| 205 | |
| 192 | 206 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
| 207 || defined(FEAT_EVAL) || defined(PROTO) | |
| 7 | 208 # if !defined(FEAT_GUI_W32) || defined(PROTO) |
| 209 | |
| 210 /* | |
| 211 * Show a balloon with "mesg". | |
| 212 */ | |
| 213 void | |
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214 gui_mch_post_balloon(BalloonEval *beval, char_u *mesg) |
| 7 | 215 { |
| 216 beval->msg = mesg; | |
| 217 if (mesg != NULL) | |
| 218 drawBalloon(beval); | |
| 219 else | |
| 220 undrawBalloon(beval); | |
| 221 } | |
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222 # endif /* !FEAT_GUI_W32 */ |
| 7 | 223 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ |
| 224 | |
| 225 #if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 226 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 227 /* | |
| 228 * Hide the given balloon. | |
| 229 */ | |
| 230 void | |
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231 gui_mch_unpost_balloon(BalloonEval *beval) |
| 7 | 232 { |
| 233 undrawBalloon(beval); | |
| 234 } | |
| 235 #endif | |
| 236 | |
| 237 #ifdef FEAT_GUI_GTK | |
| 238 static void | |
| 239 addEventHandler(GtkWidget *target, BalloonEval *beval) | |
| 240 { | |
| 241 /* | |
| 242 * Connect to the generic "event" signal instead of the individual | |
| 243 * signals for each event type, because the former is emitted earlier. | |
| 244 * This allows us to catch events independently of the signal handlers | |
| 245 * in gui_gtk_x11.c. | |
| 246 */ | |
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247 # if GTK_CHECK_VERSION(3,0,0) |
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248 g_signal_connect(G_OBJECT(target), "event", |
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249 G_CALLBACK(target_event_cb), |
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250 beval); |
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251 # else |
| 7 | 252 /* Should use GTK_OBJECT() here, but that causes a lint warning... */ |
| 253 gtk_signal_connect((GtkObject*)(target), "event", | |
| 254 GTK_SIGNAL_FUNC(target_event_cb), | |
| 255 beval); | |
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256 # endif |
| 7 | 257 /* |
| 258 * Nasty: Key press events go to the main window thus the drawing area | |
| 259 * will never see them. This means we have to connect to the main window | |
| 260 * as well in order to catch those events. | |
| 261 */ | |
| 262 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 263 && gtk_widget_is_ancestor(target, gui.mainwin)) | |
| 264 { | |
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265 # if GTK_CHECK_VERSION(3,0,0) |
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266 g_signal_connect(G_OBJECT(gui.mainwin), "event", |
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267 G_CALLBACK(mainwin_event_cb), |
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268 beval); |
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269 # else |
| 7 | 270 gtk_signal_connect((GtkObject*)(gui.mainwin), "event", |
| 271 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 272 beval); | |
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273 # endif |
| 7 | 274 } |
| 275 } | |
| 276 | |
| 277 static void | |
| 278 removeEventHandler(BalloonEval *beval) | |
| 279 { | |
| 137 | 280 /* LINTED: avoid warning: dubious operation on enum */ |
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281 # if GTK_CHECK_VERSION(3,0,0) |
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282 g_signal_handlers_disconnect_by_func(G_OBJECT(beval->target), |
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283 FUNC2GENERIC(target_event_cb), |
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284 beval); |
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285 # else |
| 7 | 286 gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
| 287 GTK_SIGNAL_FUNC(target_event_cb), | |
| 288 beval); | |
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289 # endif |
| 7 | 290 |
| 291 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 292 && gtk_widget_is_ancestor(beval->target, gui.mainwin)) | |
| 293 { | |
| 137 | 294 /* LINTED: avoid warning: dubious operation on enum */ |
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295 # if GTK_CHECK_VERSION(3,0,0) |
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296 g_signal_handlers_disconnect_by_func(G_OBJECT(gui.mainwin), |
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297 FUNC2GENERIC(mainwin_event_cb), |
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298 beval); |
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299 # else |
| 7 | 300 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
| 301 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 302 beval); | |
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303 # endif |
| 7 | 304 } |
| 305 } | |
| 306 | |
| 307 static gint | |
| 308 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) | |
| 309 { | |
| 310 BalloonEval *beval = (BalloonEval *)data; | |
| 311 | |
| 312 switch (event->type) | |
| 313 { | |
| 314 case GDK_ENTER_NOTIFY: | |
| 315 pointer_event(beval, (int)event->crossing.x, | |
| 316 (int)event->crossing.y, | |
| 317 event->crossing.state); | |
| 318 break; | |
| 319 case GDK_MOTION_NOTIFY: | |
| 320 if (event->motion.is_hint) | |
| 321 { | |
| 322 int x; | |
| 323 int y; | |
| 324 GdkModifierType state; | |
| 325 /* | |
| 326 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain | |
| 327 * the coordinates from the GdkEventMotion struct directly. | |
| 328 */ | |
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329 # if GTK_CHECK_VERSION(3,0,0) |
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330 { |
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331 GdkWindow * const win = gtk_widget_get_window(widget); |
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332 GdkDisplay * const dpy = gdk_window_get_display(win); |
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333 # if GTK_CHECK_VERSION(3,20,0) |
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334 GdkSeat * const seat = gdk_display_get_default_seat(dpy); |
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335 GdkDevice * const dev = gdk_seat_get_pointer(seat); |
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336 # else |
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337 GdkDeviceManager * const mngr = gdk_display_get_device_manager(dpy); |
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338 GdkDevice * const dev = gdk_device_manager_get_client_pointer(mngr); |
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339 # endif |
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340 gdk_window_get_device_position(win, dev , &x, &y, &state); |
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341 } |
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342 # else |
| 7 | 343 gdk_window_get_pointer(widget->window, &x, &y, &state); |
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344 # endif |
| 7 | 345 pointer_event(beval, x, y, (unsigned int)state); |
| 346 } | |
| 347 else | |
| 348 { | |
| 349 pointer_event(beval, (int)event->motion.x, | |
| 350 (int)event->motion.y, | |
| 351 event->motion.state); | |
| 352 } | |
| 353 break; | |
| 354 case GDK_LEAVE_NOTIFY: | |
| 355 /* | |
| 356 * Ignore LeaveNotify events that are not "normal". | |
| 357 * Apparently we also get it when somebody else grabs focus. | |
| 358 */ | |
| 359 if (event->crossing.mode == GDK_CROSSING_NORMAL) | |
| 360 cancelBalloon(beval); | |
| 361 break; | |
| 362 case GDK_BUTTON_PRESS: | |
| 363 case GDK_SCROLL: | |
| 364 cancelBalloon(beval); | |
| 365 break; | |
| 366 case GDK_KEY_PRESS: | |
| 367 key_event(beval, event->key.keyval, TRUE); | |
| 368 break; | |
| 369 case GDK_KEY_RELEASE: | |
| 370 key_event(beval, event->key.keyval, FALSE); | |
| 371 break; | |
| 372 default: | |
| 373 break; | |
| 374 } | |
| 375 | |
| 376 return FALSE; /* continue emission */ | |
| 377 } | |
| 378 | |
| 379 static gint | |
| 1884 | 380 mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
| 7 | 381 { |
| 382 BalloonEval *beval = (BalloonEval *)data; | |
| 383 | |
| 384 switch (event->type) | |
| 385 { | |
| 386 case GDK_KEY_PRESS: | |
| 387 key_event(beval, event->key.keyval, TRUE); | |
| 388 break; | |
| 389 case GDK_KEY_RELEASE: | |
| 390 key_event(beval, event->key.keyval, FALSE); | |
| 391 break; | |
| 392 default: | |
| 393 break; | |
| 394 } | |
| 395 | |
| 396 return FALSE; /* continue emission */ | |
| 397 } | |
| 398 | |
| 399 static void | |
| 400 pointer_event(BalloonEval *beval, int x, int y, unsigned state) | |
| 401 { | |
| 402 int distance; | |
| 403 | |
| 404 distance = ABS(x - beval->x) + ABS(y - beval->y); | |
| 405 | |
| 406 if (distance > 4) | |
| 407 { | |
| 408 /* | |
| 409 * Moved out of the balloon location: cancel it. | |
| 410 * Remember button state | |
| 411 */ | |
| 412 beval->state = state; | |
| 413 cancelBalloon(beval); | |
| 414 | |
| 415 /* Mouse buttons are pressed - no balloon now */ | |
| 416 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK | |
| 417 | (int)GDK_BUTTON3_MASK))) | |
| 418 { | |
| 419 beval->x = x; | |
| 420 beval->y = y; | |
| 421 | |
| 422 if (state & (int)GDK_MOD1_MASK) | |
| 423 { | |
| 424 /* | |
| 425 * Alt is pressed -- enter super-evaluate-mode, | |
| 426 * where there is no time delay | |
| 427 */ | |
| 428 if (beval->msgCB != NULL) | |
| 429 { | |
| 430 beval->showState = ShS_PENDING; | |
| 431 (*beval->msgCB)(beval, state); | |
| 432 } | |
| 433 } | |
| 434 else | |
| 435 { | |
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436 # if GTK_CHECK_VERSION(3,0,0) |
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437 beval->timerID = g_timeout_add((guint)p_bdlay, |
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438 &timeout_cb, beval); |
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439 # else |
| 7 | 440 beval->timerID = gtk_timeout_add((guint32)p_bdlay, |
| 441 &timeout_cb, beval); | |
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442 # endif |
| 7 | 443 } |
| 444 } | |
| 445 } | |
| 446 } | |
| 447 | |
| 448 static void | |
| 449 key_event(BalloonEval *beval, unsigned keyval, int is_keypress) | |
| 450 { | |
| 451 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 452 { | |
| 453 switch (keyval) | |
| 454 { | |
| 455 case GDK_Shift_L: | |
| 456 case GDK_Shift_R: | |
| 457 beval->showState = ShS_UPDATE_PENDING; | |
| 458 (*beval->msgCB)(beval, (is_keypress) | |
| 459 ? (int)GDK_SHIFT_MASK : 0); | |
| 460 break; | |
| 461 case GDK_Control_L: | |
| 462 case GDK_Control_R: | |
| 463 beval->showState = ShS_UPDATE_PENDING; | |
| 464 (*beval->msgCB)(beval, (is_keypress) | |
| 465 ? (int)GDK_CONTROL_MASK : 0); | |
| 466 break; | |
| 467 default: | |
| 667 | 468 /* Don't do this for key release, we apparently get these with |
| 469 * focus changes in some GTK version. */ | |
| 470 if (is_keypress) | |
| 471 cancelBalloon(beval); | |
| 7 | 472 break; |
| 473 } | |
| 474 } | |
| 475 else | |
| 476 cancelBalloon(beval); | |
| 477 } | |
| 478 | |
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479 # if GTK_CHECK_VERSION(3,0,0) |
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480 static gboolean |
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481 # else |
| 7 | 482 static gint |
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483 # endif |
| 7 | 484 timeout_cb(gpointer data) |
| 485 { | |
| 486 BalloonEval *beval = (BalloonEval *)data; | |
| 487 | |
| 488 beval->timerID = 0; | |
| 489 /* | |
| 490 * If the timer event happens then the mouse has stopped long enough for | |
| 491 * a request to be started. The request will only send to the debugger if | |
| 492 * there the mouse is pointing at real data. | |
| 493 */ | |
| 494 requestBalloon(beval); | |
| 495 | |
| 496 return FALSE; /* don't call me again */ | |
| 497 } | |
| 498 | |
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499 # if GTK_CHECK_VERSION(3,0,0) |
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500 static gboolean |
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501 balloon_draw_event_cb(GtkWidget *widget, |
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502 cairo_t *cr, |
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503 gpointer data UNUSED) |
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504 { |
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505 GtkStyleContext *context = NULL; |
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506 gint width = -1, height = -1; |
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507 |
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508 if (widget == NULL) |
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509 return TRUE; |
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510 |
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511 context = gtk_widget_get_style_context(widget); |
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512 width = gtk_widget_get_allocated_width(widget); |
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513 height = gtk_widget_get_allocated_height(widget); |
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514 |
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515 gtk_style_context_save(context); |
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516 |
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517 gtk_style_context_add_class(context, "tooltip"); |
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518 gtk_style_context_set_state(context, GTK_STATE_FLAG_NORMAL); |
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519 |
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520 cairo_save(cr); |
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521 gtk_render_frame(context, cr, 0, 0, width, height); |
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522 gtk_render_background(context, cr, 0, 0, width, height); |
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523 cairo_restore(cr); |
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524 |
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525 gtk_style_context_restore(context); |
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526 |
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527 return FALSE; |
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528 } |
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529 # else |
| 7 | 530 static gint |
| 1884 | 531 balloon_expose_event_cb(GtkWidget *widget, |
| 532 GdkEventExpose *event, | |
| 533 gpointer data UNUSED) | |
| 7 | 534 { |
| 535 gtk_paint_flat_box(widget->style, widget->window, | |
| 536 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
| 537 &event->area, widget, "tooltip", | |
| 538 0, 0, -1, -1); | |
| 539 | |
| 540 return FALSE; /* continue emission */ | |
| 541 } | |
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542 # endif /* !GTK_CHECK_VERSION(3,0,0) */ |
| 7 | 543 |
| 544 #else /* !FEAT_GUI_GTK */ | |
| 545 | |
| 546 static void | |
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547 addEventHandler(Widget target, BalloonEval *beval) |
| 7 | 548 { |
| 549 XtAddEventHandler(target, | |
| 550 PointerMotionMask | EnterWindowMask | | |
| 551 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 552 KeyReleaseMask, | |
| 553 False, | |
| 554 pointerEventEH, (XtPointer)beval); | |
| 555 } | |
| 556 | |
| 557 static void | |
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558 removeEventHandler(BalloonEval *beval) |
| 7 | 559 { |
| 560 XtRemoveEventHandler(beval->target, | |
| 561 PointerMotionMask | EnterWindowMask | | |
| 562 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 563 KeyReleaseMask, | |
| 564 False, | |
| 565 pointerEventEH, (XtPointer)beval); | |
| 566 } | |
| 567 | |
| 568 | |
| 569 /* | |
| 570 * The X event handler. All it does is call the real event handler. | |
| 571 */ | |
| 572 static void | |
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573 pointerEventEH( |
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574 Widget w UNUSED, |
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575 XtPointer client_data, |
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576 XEvent *event, |
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577 Boolean *unused UNUSED) |
| 7 | 578 { |
| 579 BalloonEval *beval = (BalloonEval *)client_data; | |
| 580 pointerEvent(beval, event); | |
| 581 } | |
| 582 | |
| 583 | |
| 584 /* | |
| 585 * The real event handler. Called by pointerEventEH() whenever an event we are | |
| 1228 | 586 * interested in occurs. |
| 7 | 587 */ |
| 588 | |
| 589 static void | |
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590 pointerEvent(BalloonEval *beval, XEvent *event) |
| 7 | 591 { |
| 4352 | 592 Position distance; /* a measure of how much the pointer moved */ |
| 7 | 593 Position delta; /* used to compute distance */ |
| 594 | |
| 595 switch (event->type) | |
| 596 { | |
| 597 case EnterNotify: | |
| 598 case MotionNotify: | |
| 599 delta = event->xmotion.x - beval->x; | |
| 600 if (delta < 0) | |
| 601 delta = -delta; | |
| 602 distance = delta; | |
| 603 delta = event->xmotion.y - beval->y; | |
| 604 if (delta < 0) | |
| 605 delta = -delta; | |
| 606 distance += delta; | |
| 607 if (distance > 4) | |
| 608 { | |
| 609 /* | |
| 610 * Moved out of the balloon location: cancel it. | |
| 611 * Remember button state | |
| 612 */ | |
| 613 beval->state = event->xmotion.state; | |
| 614 if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) | |
| 615 { | |
| 616 /* Mouse buttons are pressed - no balloon now */ | |
| 617 cancelBalloon(beval); | |
| 618 } | |
| 619 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) | |
| 620 { | |
| 621 /* | |
| 622 * Alt is pressed -- enter super-evaluate-mode, | |
| 623 * where there is no time delay | |
| 624 */ | |
| 625 beval->x = event->xmotion.x; | |
| 626 beval->y = event->xmotion.y; | |
| 627 beval->x_root = event->xmotion.x_root; | |
| 628 beval->y_root = event->xmotion.y_root; | |
| 629 cancelBalloon(beval); | |
| 630 if (beval->msgCB != NULL) | |
| 631 { | |
| 632 beval->showState = ShS_PENDING; | |
| 633 (*beval->msgCB)(beval, beval->state); | |
| 634 } | |
| 635 } | |
| 636 else | |
| 637 { | |
| 638 beval->x = event->xmotion.x; | |
| 639 beval->y = event->xmotion.y; | |
| 640 beval->x_root = event->xmotion.x_root; | |
| 641 beval->y_root = event->xmotion.y_root; | |
| 642 cancelBalloon(beval); | |
| 643 beval->timerID = XtAppAddTimeOut( beval->appContext, | |
| 644 (long_u)p_bdlay, timerRoutine, beval); | |
| 645 } | |
| 646 } | |
| 647 break; | |
| 648 | |
| 649 /* | |
| 650 * Motif and Athena version: Keystrokes will be caught by the | |
| 651 * "textArea" widget, and handled in gui_x11_key_hit_cb(). | |
| 652 */ | |
| 653 case KeyPress: | |
| 654 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 655 { | |
| 656 Modifiers modifier; | |
| 657 KeySym keysym; | |
| 658 | |
| 659 XtTranslateKeycode(gui.dpy, | |
| 660 event->xkey.keycode, event->xkey.state, | |
| 661 &modifier, &keysym); | |
| 662 if (keysym == XK_Shift_L || keysym == XK_Shift_R) | |
| 663 { | |
| 664 beval->showState = ShS_UPDATE_PENDING; | |
| 665 (*beval->msgCB)(beval, ShiftMask); | |
| 666 } | |
| 667 else if (keysym == XK_Control_L || keysym == XK_Control_R) | |
| 668 { | |
| 669 beval->showState = ShS_UPDATE_PENDING; | |
| 670 (*beval->msgCB)(beval, ControlMask); | |
| 671 } | |
| 672 else | |
| 673 cancelBalloon(beval); | |
| 674 } | |
| 675 else | |
| 676 cancelBalloon(beval); | |
| 677 break; | |
| 678 | |
| 679 case KeyRelease: | |
| 680 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 681 { | |
| 682 Modifiers modifier; | |
| 683 KeySym keysym; | |
| 684 | |
| 685 XtTranslateKeycode(gui.dpy, event->xkey.keycode, | |
| 686 event->xkey.state, &modifier, &keysym); | |
| 687 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { | |
| 688 beval->showState = ShS_UPDATE_PENDING; | |
| 689 (*beval->msgCB)(beval, 0); | |
| 690 } | |
| 691 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) | |
| 692 { | |
| 693 beval->showState = ShS_UPDATE_PENDING; | |
| 694 (*beval->msgCB)(beval, 0); | |
| 695 } | |
| 696 else | |
| 697 cancelBalloon(beval); | |
| 698 } | |
| 699 else | |
| 700 cancelBalloon(beval); | |
| 701 break; | |
| 702 | |
| 703 case LeaveNotify: | |
| 704 /* Ignore LeaveNotify events that are not "normal". | |
| 705 * Apparently we also get it when somebody else grabs focus. | |
| 706 * Happens for me every two seconds (some clipboard tool?) */ | |
| 707 if (event->xcrossing.mode == NotifyNormal) | |
| 708 cancelBalloon(beval); | |
| 709 break; | |
| 710 | |
| 711 case ButtonPress: | |
| 712 cancelBalloon(beval); | |
| 713 break; | |
| 714 | |
| 715 default: | |
| 716 break; | |
| 717 } | |
| 718 } | |
| 719 | |
| 720 static void | |
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721 timerRoutine(XtPointer dx, XtIntervalId *id UNUSED) |
| 7 | 722 { |
| 723 BalloonEval *beval = (BalloonEval *)dx; | |
| 724 | |
| 725 beval->timerID = (XtIntervalId)NULL; | |
| 726 | |
| 727 /* | |
| 728 * If the timer event happens then the mouse has stopped long enough for | |
| 729 * a request to be started. The request will only send to the debugger if | |
| 730 * there the mouse is pointing at real data. | |
| 731 */ | |
| 732 requestBalloon(beval); | |
| 733 } | |
| 734 | |
| 735 #endif /* !FEAT_GUI_GTK */ | |
| 736 | |
| 737 static void | |
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738 requestBalloon(BalloonEval *beval) |
| 7 | 739 { |
| 740 if (beval->showState != ShS_PENDING) | |
| 741 { | |
| 742 /* Determine the beval to display */ | |
| 743 if (beval->msgCB != NULL) | |
| 744 { | |
| 745 beval->showState = ShS_PENDING; | |
| 746 (*beval->msgCB)(beval, beval->state); | |
| 747 } | |
| 748 else if (beval->msg != NULL) | |
| 749 drawBalloon(beval); | |
| 750 } | |
| 751 } | |
| 752 | |
| 753 #ifdef FEAT_GUI_GTK | |
| 754 /* | |
| 755 * Convert the string to UTF-8 if 'encoding' is not "utf-8". | |
| 756 * Replace any non-printable characters and invalid bytes sequences with | |
| 757 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. | |
| 758 * TAB and NL are passed through unscathed. | |
| 759 */ | |
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760 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ |
| 7 | 761 || (c) == DEL) |
| 762 static void | |
| 944 | 763 set_printable_label_text(GtkLabel *label, char_u *text) |
| 7 | 764 { |
| 765 char_u *convbuf = NULL; | |
| 766 char_u *buf; | |
| 767 char_u *p; | |
| 768 char_u *pdest; | |
| 769 unsigned int len; | |
| 770 int charlen; | |
| 771 int uc; | |
| 772 PangoAttrList *attr_list; | |
| 773 | |
| 774 /* Convert to UTF-8 if it isn't already */ | |
| 775 if (output_conv.vc_type != CONV_NONE) | |
| 776 { | |
| 944 | 777 convbuf = string_convert(&output_conv, text, NULL); |
| 7 | 778 if (convbuf != NULL) |
| 944 | 779 text = convbuf; |
| 7 | 780 } |
| 781 | |
| 782 /* First let's see how much we need to allocate */ | |
| 783 len = 0; | |
| 944 | 784 for (p = text; *p != NUL; p += charlen) |
| 7 | 785 { |
| 786 if ((*p & 0x80) == 0) /* be quick for ASCII */ | |
| 787 { | |
| 788 charlen = 1; | |
| 789 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ | |
| 790 } | |
| 791 else | |
| 792 { | |
| 474 | 793 charlen = utf_ptr2len(p); |
| 7 | 794 uc = utf_ptr2char(p); |
| 795 | |
| 796 if (charlen != utf_char2len(uc)) | |
| 797 charlen = 1; /* reject overlong sequences */ | |
| 798 | |
| 799 if (charlen == 1 || uc < 0xa0) /* illegal byte or */ | |
| 800 len += 4; /* control char: <xx> */ | |
| 801 else if (!utf_printable(uc)) | |
| 802 /* Note: we assume here that utf_printable() doesn't | |
| 803 * care about characters outside the BMP. */ | |
| 804 len += 6; /* nonprintable: <xxxx> */ | |
| 805 else | |
| 806 len += charlen; | |
| 807 } | |
| 808 } | |
| 809 | |
| 810 attr_list = pango_attr_list_new(); | |
| 811 buf = alloc(len + 1); | |
| 812 | |
| 813 /* Now go for the real work */ | |
| 814 if (buf != NULL) | |
| 815 { | |
| 816 attrentry_T *aep; | |
| 817 PangoAttribute *attr; | |
| 818 guicolor_T pixel; | |
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819 #if GTK_CHECK_VERSION(3,0,0) |
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820 GdkRGBA color = { 0.0, 0.0, 0.0, 1.0 }; |
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821 # if PANGO_VERSION_CHECK(1,38,0) |
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822 PangoAttribute *attr_alpha; |
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823 # endif |
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824 #else |
| 7 | 825 GdkColor color = { 0, 0, 0, 0 }; |
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826 #endif |
| 7 | 827 |
| 828 /* Look up the RGB values of the SpecialKey foreground color. */ | |
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829 aep = syn_gui_attr2entry(HL_ATTR(HLF_8)); |
| 7 | 830 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; |
| 831 if (pixel != INVALCOLOR) | |
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832 # if GTK_CHECK_VERSION(3,0,0) |
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833 { |
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834 color.red = ((pixel & 0xff0000) >> 16) / 255.0; |
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835 color.green = ((pixel & 0xff00) >> 8) / 255.0; |
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836 color.blue = (pixel & 0xff) / 255.0; |
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837 color.alpha = 1.0; |
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838 } |
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839 # else |
| 7 | 840 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), |
| 841 (unsigned long)pixel, &color); | |
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842 # endif |
| 7 | 843 |
| 844 pdest = buf; | |
| 944 | 845 p = text; |
| 7 | 846 while (*p != NUL) |
| 847 { | |
| 848 /* Be quick for ASCII */ | |
| 849 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) | |
| 850 { | |
| 851 *pdest++ = *p++; | |
| 852 } | |
| 853 else | |
| 854 { | |
| 474 | 855 charlen = utf_ptr2len(p); |
| 7 | 856 uc = utf_ptr2char(p); |
| 857 | |
| 858 if (charlen != utf_char2len(uc)) | |
| 859 charlen = 1; /* reject overlong sequences */ | |
| 860 | |
| 861 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) | |
| 862 { | |
| 863 int outlen; | |
| 864 | |
| 865 /* Careful: we can't just use transchar_byte() here, | |
| 866 * since 'encoding' is not necessarily set to "utf-8". */ | |
| 867 if (*p & 0x80 && charlen == 1) | |
| 868 { | |
| 869 transchar_hex(pdest, *p); /* <xx> */ | |
| 870 outlen = 4; | |
| 871 } | |
| 872 else if (uc >= 0x80) | |
| 873 { | |
| 874 /* Note: we assume here that utf_printable() doesn't | |
| 875 * care about characters outside the BMP. */ | |
| 876 transchar_hex(pdest, uc); /* <xx> or <xxxx> */ | |
| 877 outlen = (uc < 0x100) ? 4 : 6; | |
| 878 } | |
| 879 else | |
| 880 { | |
| 881 transchar_nonprint(pdest, *p); /* ^X */ | |
| 882 outlen = 2; | |
| 883 } | |
| 884 if (pixel != INVALCOLOR) | |
| 885 { | |
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886 #if GTK_CHECK_VERSION(3,0,0) |
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887 # define DOUBLE2UINT16(val) ((guint16)((val) * 65535 + 0.5)) |
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888 attr = pango_attr_foreground_new( |
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889 DOUBLE2UINT16(color.red), |
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890 DOUBLE2UINT16(color.green), |
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891 DOUBLE2UINT16(color.blue)); |
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892 # if PANGO_VERSION_CHECK(1,38,0) |
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893 attr_alpha = pango_attr_foreground_alpha_new( |
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894 DOUBLE2UINT16(color.alpha)); |
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895 # endif |
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896 # undef DOUBLE2UINT16 |
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897 #else |
| 7 | 898 attr = pango_attr_foreground_new( |
| 899 color.red, color.green, color.blue); | |
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900 #endif |
| 7 | 901 attr->start_index = pdest - buf; |
| 902 attr->end_index = pdest - buf + outlen; | |
| 903 pango_attr_list_insert(attr_list, attr); | |
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904 #if GTK_CHECK_VERSION(3,0,0) |
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905 # if PANGO_VERSION_CHECK(1,38,0) |
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906 attr_alpha->start_index = pdest - buf; |
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907 attr_alpha->end_index = pdest - buf + outlen; |
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908 pango_attr_list_insert(attr_list, attr_alpha); |
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909 # endif |
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910 #endif |
| 7 | 911 } |
| 912 pdest += outlen; | |
| 913 p += charlen; | |
| 914 } | |
| 915 else | |
| 916 { | |
| 917 do | |
| 918 *pdest++ = *p++; | |
| 919 while (--charlen != 0); | |
| 920 } | |
| 921 } | |
| 922 } | |
| 923 *pdest = NUL; | |
| 924 } | |
| 925 | |
| 926 vim_free(convbuf); | |
| 927 | |
| 928 gtk_label_set_text(label, (const char *)buf); | |
| 929 vim_free(buf); | |
| 930 | |
| 931 gtk_label_set_attributes(label, attr_list); | |
| 932 pango_attr_list_unref(attr_list); | |
| 933 } | |
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934 # undef IS_NONPRINTABLE |
| 7 | 935 |
| 936 /* | |
| 937 * Draw a balloon. | |
| 938 */ | |
| 939 static void | |
| 940 drawBalloon(BalloonEval *beval) | |
| 941 { | |
| 942 if (beval->msg != NULL) | |
| 943 { | |
| 944 GtkRequisition requisition; | |
| 945 int screen_w; | |
| 946 int screen_h; | |
| 947 int x; | |
| 948 int y; | |
| 949 int x_offset = EVAL_OFFSET_X; | |
| 950 int y_offset = EVAL_OFFSET_Y; | |
| 951 PangoLayout *layout; | |
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952 |
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953 # if !GTK_CHECK_VERSION(3,22,2) |
| 7 | 954 GdkScreen *screen; |
| 955 | |
| 956 screen = gtk_widget_get_screen(beval->target); | |
| 957 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); | |
| 958 # endif | |
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959 gui_gtk_get_screen_size_of_win(beval->balloonShell, |
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960 &screen_w, &screen_h); |
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961 # if !GTK_CHECK_VERSION(3,0,0) |
| 7 | 962 gtk_widget_ensure_style(beval->balloonShell); |
| 963 gtk_widget_ensure_style(beval->balloonLabel); | |
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964 # endif |
| 7 | 965 |
| 966 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); | |
| 967 /* | |
| 968 * Dirty trick: Enable wrapping mode on the label's layout behind its | |
| 969 * back. This way GtkLabel won't try to constrain the wrap width to a | |
| 970 * builtin maximum value of about 65 Latin characters. | |
| 971 */ | |
| 972 layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel)); | |
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973 # ifdef PANGO_WRAP_WORD_CHAR |
| 7 | 974 pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR); |
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975 # else |
| 7 | 976 pango_layout_set_wrap(layout, PANGO_WRAP_WORD); |
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977 # endif |
| 7 | 978 pango_layout_set_width(layout, |
| 979 /* try to come up with some reasonable width */ | |
| 980 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, | |
| 981 screen_w / 2, | |
| 982 MAX(20, screen_w - 20))); | |
| 983 | |
| 984 /* Calculate the balloon's width and height. */ | |
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985 # if GTK_CHECK_VERSION(3,0,0) |
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986 gtk_widget_get_preferred_size(beval->balloonShell, &requisition, NULL); |
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987 # else |
| 7 | 988 gtk_widget_size_request(beval->balloonShell, &requisition); |
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989 # endif |
| 7 | 990 |
| 991 /* Compute position of the balloon area */ | |
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992 # if GTK_CHECK_VERSION(3,0,0) |
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993 gdk_window_get_origin(gtk_widget_get_window(beval->target), &x, &y); |
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994 # else |
| 7 | 995 gdk_window_get_origin(beval->target->window, &x, &y); |
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996 # endif |
| 7 | 997 x += beval->x; |
| 998 y += beval->y; | |
| 999 | |
| 1000 /* Get out of the way of the mouse pointer */ | |
| 1001 if (x + x_offset + requisition.width > screen_w) | |
| 1002 y_offset += 15; | |
| 1003 if (y + y_offset + requisition.height > screen_h) | |
| 1004 y_offset = -requisition.height - EVAL_OFFSET_Y; | |
| 1005 | |
| 1006 /* Sanitize values */ | |
| 1007 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); | |
| 1008 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); | |
| 1009 | |
| 1010 /* Show the balloon */ | |
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1011 # if GTK_CHECK_VERSION(3,0,0) |
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1012 gtk_window_move(GTK_WINDOW(beval->balloonShell), x, y); |
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1013 # else |
| 7 | 1014 gtk_widget_set_uposition(beval->balloonShell, x, y); |
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1015 # endif |
| 7 | 1016 gtk_widget_show(beval->balloonShell); |
| 1017 | |
| 1018 beval->showState = ShS_SHOWING; | |
| 1019 } | |
| 1020 } | |
| 1021 | |
| 1022 /* | |
| 1023 * Undraw a balloon. | |
| 1024 */ | |
| 1025 static void | |
| 1026 undrawBalloon(BalloonEval *beval) | |
| 1027 { | |
| 1028 if (beval->balloonShell != NULL) | |
| 1029 gtk_widget_hide(beval->balloonShell); | |
| 1030 beval->showState = ShS_NEUTRAL; | |
| 1031 } | |
| 1032 | |
| 1033 static void | |
| 1034 cancelBalloon(BalloonEval *beval) | |
| 1035 { | |
| 1036 if (beval->showState == ShS_SHOWING | |
| 1037 || beval->showState == ShS_UPDATE_PENDING) | |
| 1038 undrawBalloon(beval); | |
| 1039 | |
| 1040 if (beval->timerID != 0) | |
| 1041 { | |
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1042 # if GTK_CHECK_VERSION(3,0,0) |
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1043 g_source_remove(beval->timerID); |
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1044 # else |
| 7 | 1045 gtk_timeout_remove(beval->timerID); |
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1046 # endif |
| 7 | 1047 beval->timerID = 0; |
| 1048 } | |
| 1049 beval->showState = ShS_NEUTRAL; | |
| 1050 } | |
| 1051 | |
| 1052 static void | |
| 1053 createBalloonEvalWindow(BalloonEval *beval) | |
| 1054 { | |
| 1055 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); | |
| 1056 | |
| 1057 gtk_widget_set_app_paintable(beval->balloonShell, TRUE); | |
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1058 # if GTK_CHECK_VERSION(3,0,0) |
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1059 gtk_window_set_resizable(GTK_WINDOW(beval->balloonShell), FALSE); |
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1060 # else |
| 7 | 1061 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); |
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1062 # endif |
| 7 | 1063 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); |
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1064 # if GTK_CHECK_VERSION(3,0,0) |
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1065 gtk_container_set_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1066 # else |
| 7 | 1067 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1068 # endif |
| 7 | 1069 |
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1070 # if GTK_CHECK_VERSION(3,0,0) |
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1071 g_signal_connect(G_OBJECT(beval->balloonShell), "draw", |
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1072 G_CALLBACK(balloon_draw_event_cb), NULL); |
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1073 # else |
| 7 | 1074 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", |
| 1075 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); | |
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1076 # endif |
| 7 | 1077 beval->balloonLabel = gtk_label_new(NULL); |
| 1078 | |
| 1079 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
| 1080 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); | |
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1081 # if GTK_CHECK_VERSION(3,16,0) |
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1082 gtk_label_set_xalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1083 gtk_label_set_yalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1084 # elif GTK_CHECK_VERSION(3,14,0) |
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1085 GValue align_val = G_VALUE_INIT; |
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1086 g_value_init(&align_val, G_TYPE_FLOAT); |
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1087 g_value_set_float(&align_val, 0.5); |
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1088 g_object_set_property(G_OBJECT(beval->balloonLabel), "xalign", &align_val); |
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1089 g_object_set_property(G_OBJECT(beval->balloonLabel), "yalign", &align_val); |
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1090 g_value_unset(&align_val); |
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1091 # else |
| 7 | 1092 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); |
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1093 # endif |
| 7 | 1094 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); |
| 1095 gtk_widget_show(beval->balloonLabel); | |
| 1096 | |
| 1097 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); | |
| 1098 } | |
| 1099 | |
| 1100 #else /* !FEAT_GUI_GTK */ | |
| 1101 | |
| 1102 /* | |
| 1103 * Draw a balloon. | |
| 1104 */ | |
| 1105 static void | |
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1106 drawBalloon(BalloonEval *beval) |
| 7 | 1107 { |
| 1108 Dimension w; | |
| 1109 Dimension h; | |
| 1110 Position tx; | |
| 1111 Position ty; | |
| 1112 | |
| 1113 if (beval->msg != NULL) | |
| 1114 { | |
| 1115 /* Show the Balloon */ | |
| 1116 | |
| 1117 /* Calculate the label's width and height */ | |
| 1118 #ifdef FEAT_GUI_MOTIF | |
| 1119 XmString s; | |
| 1120 | |
| 1121 /* For the callback function we parse NL characters to create a | |
| 1122 * multi-line label. This doesn't work for all languages, but | |
| 1123 * XmStringCreateLocalized() doesn't do multi-line labels... */ | |
| 1124 if (beval->msgCB != NULL) | |
| 1125 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); | |
| 1126 else | |
| 1127 s = XmStringCreateLocalized((char *)beval->msg); | |
| 1128 { | |
| 1129 XmFontList fl; | |
| 1130 | |
| 1131 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 6003 | 1132 if (fl == NULL) |
| 7 | 1133 { |
| 6003 | 1134 XmStringFree(s); |
| 1135 return; | |
| 7 | 1136 } |
| 6003 | 1137 XmStringExtent(fl, s, &w, &h); |
| 1138 XmFontListFree(fl); | |
| 7 | 1139 } |
| 1140 w += gui.border_offset << 1; | |
| 1141 h += gui.border_offset << 1; | |
| 1142 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); | |
| 1143 XmStringFree(s); | |
| 1144 #else /* Athena */ | |
| 1145 /* Assume XtNinternational == True */ | |
| 1146 XFontSet fset; | |
| 1147 XFontSetExtents *ext; | |
| 1148 | |
| 1149 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); | |
| 1150 ext = XExtentsOfFontSet(fset); | |
| 1151 h = ext->max_ink_extent.height; | |
| 1152 w = XmbTextEscapement(fset, | |
| 1153 (char *)beval->msg, | |
| 1154 (int)STRLEN(beval->msg)); | |
| 1155 w += gui.border_offset << 1; | |
| 1156 h += gui.border_offset << 1; | |
| 1157 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); | |
| 1158 #endif | |
| 1159 | |
| 1160 /* Compute position of the balloon area */ | |
| 1161 tx = beval->x_root + EVAL_OFFSET_X; | |
| 1162 ty = beval->y_root + EVAL_OFFSET_Y; | |
| 1163 if ((tx + w) > beval->screen_width) | |
| 1164 tx = beval->screen_width - w; | |
| 1165 if ((ty + h) > beval->screen_height) | |
| 1166 ty = beval->screen_height - h; | |
| 1167 #ifdef FEAT_GUI_MOTIF | |
| 1168 XtVaSetValues(beval->balloonShell, | |
| 1169 XmNx, tx, | |
| 1170 XmNy, ty, | |
| 1171 NULL); | |
| 1172 #else | |
| 1173 /* Athena */ | |
| 1174 XtVaSetValues(beval->balloonShell, | |
| 1175 XtNx, tx, | |
| 1176 XtNy, ty, | |
| 1177 NULL); | |
| 1178 #endif | |
| 1844 | 1179 /* Set tooltip colors */ |
| 1180 { | |
| 1181 Arg args[2]; | |
| 1182 | |
| 1183 #ifdef FEAT_GUI_MOTIF | |
| 1184 args[0].name = XmNbackground; | |
| 1185 args[0].value = gui.tooltip_bg_pixel; | |
| 1186 args[1].name = XmNforeground; | |
| 1187 args[1].value = gui.tooltip_fg_pixel; | |
| 1188 #else /* Athena */ | |
| 1189 args[0].name = XtNbackground; | |
| 1190 args[0].value = gui.tooltip_bg_pixel; | |
| 1191 args[1].name = XtNforeground; | |
| 1192 args[1].value = gui.tooltip_fg_pixel; | |
| 1193 #endif | |
| 1194 XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); | |
| 1195 } | |
| 7 | 1196 |
| 1197 XtPopup(beval->balloonShell, XtGrabNone); | |
| 1198 | |
| 1199 beval->showState = ShS_SHOWING; | |
| 1200 | |
| 1201 current_beval = beval; | |
| 1202 } | |
| 1203 } | |
| 1204 | |
| 1205 /* | |
| 1206 * Undraw a balloon. | |
| 1207 */ | |
| 1208 static void | |
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1209 undrawBalloon(BalloonEval *beval) |
| 7 | 1210 { |
| 1211 if (beval->balloonShell != (Widget)0) | |
| 1212 XtPopdown(beval->balloonShell); | |
| 1213 beval->showState = ShS_NEUTRAL; | |
| 1214 | |
| 1215 current_beval = NULL; | |
| 1216 } | |
| 1217 | |
| 1218 static void | |
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1219 cancelBalloon(BalloonEval *beval) |
| 7 | 1220 { |
| 1221 if (beval->showState == ShS_SHOWING | |
| 1222 || beval->showState == ShS_UPDATE_PENDING) | |
| 1223 undrawBalloon(beval); | |
| 1224 | |
| 1225 if (beval->timerID != (XtIntervalId)NULL) | |
| 1226 { | |
| 1227 XtRemoveTimeOut(beval->timerID); | |
| 1228 beval->timerID = (XtIntervalId)NULL; | |
| 1229 } | |
| 1230 beval->showState = ShS_NEUTRAL; | |
| 1231 } | |
| 1232 | |
| 1233 | |
| 1234 static void | |
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1235 createBalloonEvalWindow(BalloonEval *beval) |
| 7 | 1236 { |
| 1237 Arg args[12]; | |
| 1238 int n; | |
| 1239 | |
| 1240 n = 0; | |
| 1241 #ifdef FEAT_GUI_MOTIF | |
| 1242 XtSetArg(args[n], XmNallowShellResize, True); n++; | |
| 1243 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1244 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1245 #else | |
| 1246 /* Athena */ | |
| 1247 XtSetArg(args[n], XtNallowShellResize, True); n++; | |
| 1248 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1249 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1250 #endif | |
| 1251 | |
| 1252 n = 0; | |
| 1253 #ifdef FEAT_GUI_MOTIF | |
| 1254 { | |
| 1255 XmFontList fl; | |
| 1256 | |
| 1257 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 1258 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; | |
| 1259 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; | |
| 1260 XtSetArg(args[n], XmNfontList, fl); n++; | |
| 1261 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; | |
| 1262 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1263 xmLabelWidgetClass, beval->balloonShell, args, n); | |
| 1264 } | |
| 1265 #else /* FEAT_GUI_ATHENA */ | |
| 1266 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; | |
| 1267 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; | |
| 1268 XtSetArg(args[n], XtNinternational, True); n++; | |
| 1269 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; | |
| 1270 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1271 labelWidgetClass, beval->balloonShell, args, n); | |
| 1272 #endif | |
| 1273 } | |
| 1274 | |
| 1275 #endif /* !FEAT_GUI_GTK */ | |
| 1276 #endif /* !FEAT_GUI_W32 */ | |
| 1277 | |
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1278 #endif /* FEAT_BEVAL_GUI */ |