Mercurial > vim
annotate src/gui_beval.c @ 12996:973a0037f4c3 v8.0.1374
patch 8.0.1374: CTRL-A does not work with an empty line
commit https://github.com/vim/vim/commit/5fe6bdf858a7f2f288d599ffb5efb3c08449c817
Author: Bram Moolenaar <Bram@vim.org>
Date: Tue Dec 5 17:22:12 2017 +0100
patch 8.0.1374: CTRL-A does not work with an empty line
Problem: CTRL-A does not work with an empty line. (Alex)
Solution: Decrement the end only once. (Hirohito Higashi, closes https://github.com/vim/vim/issues/2387)
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Tue, 05 Dec 2017 17:30:05 +0100 |
| parents | 1a450ce6980c |
| children | 2ad722003b36 |
| 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 | |
| 114 beval = (BalloonEval *)alloc(sizeof(BalloonEval)); | |
| 115 if (beval != NULL) | |
| 116 { | |
| 117 #ifdef FEAT_GUI_GTK | |
| 118 beval->target = GTK_WIDGET(target); | |
| 119 beval->balloonShell = NULL; | |
| 120 beval->timerID = 0; | |
| 121 #else | |
| 122 beval->target = (Widget)target; | |
| 123 beval->balloonShell = NULL; | |
| 124 beval->timerID = (XtIntervalId)NULL; | |
| 125 beval->appContext = XtWidgetToApplicationContext((Widget)target); | |
| 126 #endif | |
| 127 beval->showState = ShS_NEUTRAL; | |
| 128 beval->x = 0; | |
| 129 beval->y = 0; | |
| 130 beval->msg = mesg; | |
| 131 beval->msgCB = mesgCB; | |
| 132 beval->clientData = clientData; | |
| 133 | |
| 134 /* | |
| 135 * Set up event handler which will keep its eyes on the pointer, | |
| 136 * and when the pointer rests in a certain spot for a given time | |
| 137 * interval, show the beval. | |
| 138 */ | |
| 139 addEventHandler(beval->target, beval); | |
| 140 createBalloonEvalWindow(beval); | |
| 141 | |
| 142 #ifndef FEAT_GUI_GTK | |
| 143 /* | |
| 144 * Now create and save the screen width and height. Used in drawing. | |
| 145 */ | |
| 146 display_name = DisplayString(gui.dpy); | |
| 147 p = strrchr(display_name, '.'); | |
| 148 if (p != NULL) | |
| 149 screen_num = atoi(++p); | |
| 150 else | |
| 151 screen_num = 0; | |
| 152 beval->screen_width = DisplayWidth(gui.dpy, screen_num); | |
| 153 beval->screen_height = DisplayHeight(gui.dpy, screen_num); | |
| 154 #endif | |
| 155 } | |
| 156 | |
| 157 return beval; | |
| 158 } | |
| 159 | |
| 160 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 161 /* | |
| 1228 | 162 * Destroy a balloon-eval and free its associated memory. |
| 7 | 163 */ |
| 164 void | |
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165 gui_mch_destroy_beval_area(BalloonEval *beval) |
| 7 | 166 { |
| 167 cancelBalloon(beval); | |
| 168 removeEventHandler(beval); | |
| 169 /* Children will automatically be destroyed */ | |
| 170 # ifdef FEAT_GUI_GTK | |
| 171 gtk_widget_destroy(beval->balloonShell); | |
| 172 # else | |
| 173 XtDestroyWidget(beval->balloonShell); | |
| 174 # endif | |
| 175 vim_free(beval); | |
| 176 } | |
| 177 #endif | |
| 178 | |
| 179 void | |
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180 gui_mch_enable_beval_area(BalloonEval *beval) |
| 7 | 181 { |
| 182 if (beval != NULL) | |
| 183 addEventHandler(beval->target, beval); | |
| 184 } | |
| 185 | |
| 186 void | |
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187 gui_mch_disable_beval_area(BalloonEval *beval) |
| 7 | 188 { |
| 189 if (beval != NULL) | |
| 190 removeEventHandler(beval); | |
| 191 } | |
| 192 | |
| 193 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 194 /* | |
| 195 * This function returns the BalloonEval * associated with the currently | |
| 196 * displayed tooltip. Returns NULL if there is no tooltip currently showing. | |
| 197 * | |
| 198 * Assumption: Only one tooltip can be shown at a time. | |
| 199 */ | |
| 200 BalloonEval * | |
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201 gui_mch_currently_showing_beval(void) |
| 7 | 202 { |
| 203 return current_beval; | |
| 204 } | |
| 205 #endif | |
| 206 #endif /* !FEAT_GUI_W32 */ | |
| 207 | |
| 192 | 208 #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) \ |
| 209 || defined(FEAT_EVAL) || defined(PROTO) | |
| 7 | 210 # if !defined(FEAT_GUI_W32) || defined(PROTO) |
| 211 | |
| 212 /* | |
| 213 * Show a balloon with "mesg". | |
| 214 */ | |
| 215 void | |
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216 gui_mch_post_balloon(BalloonEval *beval, char_u *mesg) |
| 7 | 217 { |
| 218 beval->msg = mesg; | |
| 219 if (mesg != NULL) | |
| 220 drawBalloon(beval); | |
| 221 else | |
| 222 undrawBalloon(beval); | |
| 223 } | |
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224 # endif /* !FEAT_GUI_W32 */ |
| 7 | 225 #endif /* FEAT_SUN_WORKSHOP || FEAT_NETBEANS_INTG || PROTO */ |
| 226 | |
| 227 #if !defined(FEAT_GUI_W32) || defined(PROTO) | |
| 228 #if defined(FEAT_BEVAL_TIP) || defined(PROTO) | |
| 229 /* | |
| 230 * Hide the given balloon. | |
| 231 */ | |
| 232 void | |
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233 gui_mch_unpost_balloon(BalloonEval *beval) |
| 7 | 234 { |
| 235 undrawBalloon(beval); | |
| 236 } | |
| 237 #endif | |
| 238 | |
| 239 #ifdef FEAT_GUI_GTK | |
| 240 static void | |
| 241 addEventHandler(GtkWidget *target, BalloonEval *beval) | |
| 242 { | |
| 243 /* | |
| 244 * Connect to the generic "event" signal instead of the individual | |
| 245 * signals for each event type, because the former is emitted earlier. | |
| 246 * This allows us to catch events independently of the signal handlers | |
| 247 * in gui_gtk_x11.c. | |
| 248 */ | |
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249 # if GTK_CHECK_VERSION(3,0,0) |
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250 g_signal_connect(G_OBJECT(target), "event", |
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251 G_CALLBACK(target_event_cb), |
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252 beval); |
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253 # else |
| 7 | 254 /* Should use GTK_OBJECT() here, but that causes a lint warning... */ |
| 255 gtk_signal_connect((GtkObject*)(target), "event", | |
| 256 GTK_SIGNAL_FUNC(target_event_cb), | |
| 257 beval); | |
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258 # endif |
| 7 | 259 /* |
| 260 * Nasty: Key press events go to the main window thus the drawing area | |
| 261 * will never see them. This means we have to connect to the main window | |
| 262 * as well in order to catch those events. | |
| 263 */ | |
| 264 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 265 && gtk_widget_is_ancestor(target, gui.mainwin)) | |
| 266 { | |
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267 # if GTK_CHECK_VERSION(3,0,0) |
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268 g_signal_connect(G_OBJECT(gui.mainwin), "event", |
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269 G_CALLBACK(mainwin_event_cb), |
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270 beval); |
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271 # else |
| 7 | 272 gtk_signal_connect((GtkObject*)(gui.mainwin), "event", |
| 273 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 274 beval); | |
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275 # endif |
| 7 | 276 } |
| 277 } | |
| 278 | |
| 279 static void | |
| 280 removeEventHandler(BalloonEval *beval) | |
| 281 { | |
| 137 | 282 /* LINTED: avoid warning: dubious operation on enum */ |
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283 # if GTK_CHECK_VERSION(3,0,0) |
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284 g_signal_handlers_disconnect_by_func(G_OBJECT(beval->target), |
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285 FUNC2GENERIC(target_event_cb), |
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286 beval); |
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287 # else |
| 7 | 288 gtk_signal_disconnect_by_func((GtkObject*)(beval->target), |
| 289 GTK_SIGNAL_FUNC(target_event_cb), | |
| 290 beval); | |
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291 # endif |
| 7 | 292 |
| 293 if (gtk_socket_id == 0 && gui.mainwin != NULL | |
| 294 && gtk_widget_is_ancestor(beval->target, gui.mainwin)) | |
| 295 { | |
| 137 | 296 /* LINTED: avoid warning: dubious operation on enum */ |
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297 # if GTK_CHECK_VERSION(3,0,0) |
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298 g_signal_handlers_disconnect_by_func(G_OBJECT(gui.mainwin), |
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299 FUNC2GENERIC(mainwin_event_cb), |
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300 beval); |
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301 # else |
| 7 | 302 gtk_signal_disconnect_by_func((GtkObject*)(gui.mainwin), |
| 303 GTK_SIGNAL_FUNC(mainwin_event_cb), | |
| 304 beval); | |
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305 # endif |
| 7 | 306 } |
| 307 } | |
| 308 | |
| 309 static gint | |
| 310 target_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data) | |
| 311 { | |
| 312 BalloonEval *beval = (BalloonEval *)data; | |
| 313 | |
| 314 switch (event->type) | |
| 315 { | |
| 316 case GDK_ENTER_NOTIFY: | |
| 317 pointer_event(beval, (int)event->crossing.x, | |
| 318 (int)event->crossing.y, | |
| 319 event->crossing.state); | |
| 320 break; | |
| 321 case GDK_MOTION_NOTIFY: | |
| 322 if (event->motion.is_hint) | |
| 323 { | |
| 324 int x; | |
| 325 int y; | |
| 326 GdkModifierType state; | |
| 327 /* | |
| 328 * GDK_POINTER_MOTION_HINT_MASK is set, thus we cannot obtain | |
| 329 * the coordinates from the GdkEventMotion struct directly. | |
| 330 */ | |
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331 # if GTK_CHECK_VERSION(3,0,0) |
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332 { |
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333 GdkWindow * const win = gtk_widget_get_window(widget); |
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334 GdkDisplay * const dpy = gdk_window_get_display(win); |
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335 # if GTK_CHECK_VERSION(3,20,0) |
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336 GdkSeat * const seat = gdk_display_get_default_seat(dpy); |
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337 GdkDevice * const dev = gdk_seat_get_pointer(seat); |
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338 # else |
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339 GdkDeviceManager * const mngr = gdk_display_get_device_manager(dpy); |
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340 GdkDevice * const dev = gdk_device_manager_get_client_pointer(mngr); |
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341 # endif |
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342 gdk_window_get_device_position(win, dev , &x, &y, &state); |
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343 } |
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344 # else |
| 7 | 345 gdk_window_get_pointer(widget->window, &x, &y, &state); |
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346 # endif |
| 7 | 347 pointer_event(beval, x, y, (unsigned int)state); |
| 348 } | |
| 349 else | |
| 350 { | |
| 351 pointer_event(beval, (int)event->motion.x, | |
| 352 (int)event->motion.y, | |
| 353 event->motion.state); | |
| 354 } | |
| 355 break; | |
| 356 case GDK_LEAVE_NOTIFY: | |
| 357 /* | |
| 358 * Ignore LeaveNotify events that are not "normal". | |
| 359 * Apparently we also get it when somebody else grabs focus. | |
| 360 */ | |
| 361 if (event->crossing.mode == GDK_CROSSING_NORMAL) | |
| 362 cancelBalloon(beval); | |
| 363 break; | |
| 364 case GDK_BUTTON_PRESS: | |
| 365 case GDK_SCROLL: | |
| 366 cancelBalloon(beval); | |
| 367 break; | |
| 368 case GDK_KEY_PRESS: | |
| 369 key_event(beval, event->key.keyval, TRUE); | |
| 370 break; | |
| 371 case GDK_KEY_RELEASE: | |
| 372 key_event(beval, event->key.keyval, FALSE); | |
| 373 break; | |
| 374 default: | |
| 375 break; | |
| 376 } | |
| 377 | |
| 378 return FALSE; /* continue emission */ | |
| 379 } | |
| 380 | |
| 381 static gint | |
| 1884 | 382 mainwin_event_cb(GtkWidget *widget UNUSED, GdkEvent *event, gpointer data) |
| 7 | 383 { |
| 384 BalloonEval *beval = (BalloonEval *)data; | |
| 385 | |
| 386 switch (event->type) | |
| 387 { | |
| 388 case GDK_KEY_PRESS: | |
| 389 key_event(beval, event->key.keyval, TRUE); | |
| 390 break; | |
| 391 case GDK_KEY_RELEASE: | |
| 392 key_event(beval, event->key.keyval, FALSE); | |
| 393 break; | |
| 394 default: | |
| 395 break; | |
| 396 } | |
| 397 | |
| 398 return FALSE; /* continue emission */ | |
| 399 } | |
| 400 | |
| 401 static void | |
| 402 pointer_event(BalloonEval *beval, int x, int y, unsigned state) | |
| 403 { | |
| 404 int distance; | |
| 405 | |
| 406 distance = ABS(x - beval->x) + ABS(y - beval->y); | |
| 407 | |
| 408 if (distance > 4) | |
| 409 { | |
| 410 /* | |
| 411 * Moved out of the balloon location: cancel it. | |
| 412 * Remember button state | |
| 413 */ | |
| 414 beval->state = state; | |
| 415 cancelBalloon(beval); | |
| 416 | |
| 417 /* Mouse buttons are pressed - no balloon now */ | |
| 418 if (!(state & ((int)GDK_BUTTON1_MASK | (int)GDK_BUTTON2_MASK | |
| 419 | (int)GDK_BUTTON3_MASK))) | |
| 420 { | |
| 421 beval->x = x; | |
| 422 beval->y = y; | |
| 423 | |
| 424 if (state & (int)GDK_MOD1_MASK) | |
| 425 { | |
| 426 /* | |
| 427 * Alt is pressed -- enter super-evaluate-mode, | |
| 428 * where there is no time delay | |
| 429 */ | |
| 430 if (beval->msgCB != NULL) | |
| 431 { | |
| 432 beval->showState = ShS_PENDING; | |
| 433 (*beval->msgCB)(beval, state); | |
| 434 } | |
| 435 } | |
| 436 else | |
| 437 { | |
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438 # if GTK_CHECK_VERSION(3,0,0) |
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439 beval->timerID = g_timeout_add((guint)p_bdlay, |
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440 &timeout_cb, beval); |
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441 # else |
| 7 | 442 beval->timerID = gtk_timeout_add((guint32)p_bdlay, |
| 443 &timeout_cb, beval); | |
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444 # endif |
| 7 | 445 } |
| 446 } | |
| 447 } | |
| 448 } | |
| 449 | |
| 450 static void | |
| 451 key_event(BalloonEval *beval, unsigned keyval, int is_keypress) | |
| 452 { | |
| 453 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 454 { | |
| 455 switch (keyval) | |
| 456 { | |
| 457 case GDK_Shift_L: | |
| 458 case GDK_Shift_R: | |
| 459 beval->showState = ShS_UPDATE_PENDING; | |
| 460 (*beval->msgCB)(beval, (is_keypress) | |
| 461 ? (int)GDK_SHIFT_MASK : 0); | |
| 462 break; | |
| 463 case GDK_Control_L: | |
| 464 case GDK_Control_R: | |
| 465 beval->showState = ShS_UPDATE_PENDING; | |
| 466 (*beval->msgCB)(beval, (is_keypress) | |
| 467 ? (int)GDK_CONTROL_MASK : 0); | |
| 468 break; | |
| 469 default: | |
| 667 | 470 /* Don't do this for key release, we apparently get these with |
| 471 * focus changes in some GTK version. */ | |
| 472 if (is_keypress) | |
| 473 cancelBalloon(beval); | |
| 7 | 474 break; |
| 475 } | |
| 476 } | |
| 477 else | |
| 478 cancelBalloon(beval); | |
| 479 } | |
| 480 | |
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481 # if GTK_CHECK_VERSION(3,0,0) |
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482 static gboolean |
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483 # else |
| 7 | 484 static gint |
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485 # endif |
| 7 | 486 timeout_cb(gpointer data) |
| 487 { | |
| 488 BalloonEval *beval = (BalloonEval *)data; | |
| 489 | |
| 490 beval->timerID = 0; | |
| 491 /* | |
| 492 * If the timer event happens then the mouse has stopped long enough for | |
| 493 * a request to be started. The request will only send to the debugger if | |
| 494 * there the mouse is pointing at real data. | |
| 495 */ | |
| 496 requestBalloon(beval); | |
| 497 | |
| 498 return FALSE; /* don't call me again */ | |
| 499 } | |
| 500 | |
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501 # if GTK_CHECK_VERSION(3,0,0) |
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502 static gboolean |
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503 balloon_draw_event_cb(GtkWidget *widget, |
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504 cairo_t *cr, |
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505 gpointer data UNUSED) |
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506 { |
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507 GtkStyleContext *context = NULL; |
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508 gint width = -1, height = -1; |
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509 |
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510 if (widget == NULL) |
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511 return TRUE; |
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512 |
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513 context = gtk_widget_get_style_context(widget); |
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514 width = gtk_widget_get_allocated_width(widget); |
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515 height = gtk_widget_get_allocated_height(widget); |
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516 |
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517 gtk_style_context_save(context); |
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518 |
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519 gtk_style_context_add_class(context, "tooltip"); |
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520 gtk_style_context_set_state(context, GTK_STATE_FLAG_NORMAL); |
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521 |
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522 cairo_save(cr); |
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523 gtk_render_frame(context, cr, 0, 0, width, height); |
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524 gtk_render_background(context, cr, 0, 0, width, height); |
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525 cairo_restore(cr); |
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526 |
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527 gtk_style_context_restore(context); |
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528 |
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529 return FALSE; |
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530 } |
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531 # else |
| 7 | 532 static gint |
| 1884 | 533 balloon_expose_event_cb(GtkWidget *widget, |
| 534 GdkEventExpose *event, | |
| 535 gpointer data UNUSED) | |
| 7 | 536 { |
| 537 gtk_paint_flat_box(widget->style, widget->window, | |
| 538 GTK_STATE_NORMAL, GTK_SHADOW_OUT, | |
| 539 &event->area, widget, "tooltip", | |
| 540 0, 0, -1, -1); | |
| 541 | |
| 542 return FALSE; /* continue emission */ | |
| 543 } | |
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544 # endif /* !GTK_CHECK_VERSION(3,0,0) */ |
| 7 | 545 |
| 546 #else /* !FEAT_GUI_GTK */ | |
| 547 | |
| 548 static void | |
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549 addEventHandler(Widget target, BalloonEval *beval) |
| 7 | 550 { |
| 551 XtAddEventHandler(target, | |
| 552 PointerMotionMask | EnterWindowMask | | |
| 553 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 554 KeyReleaseMask, | |
| 555 False, | |
| 556 pointerEventEH, (XtPointer)beval); | |
| 557 } | |
| 558 | |
| 559 static void | |
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560 removeEventHandler(BalloonEval *beval) |
| 7 | 561 { |
| 562 XtRemoveEventHandler(beval->target, | |
| 563 PointerMotionMask | EnterWindowMask | | |
| 564 LeaveWindowMask | ButtonPressMask | KeyPressMask | | |
| 565 KeyReleaseMask, | |
| 566 False, | |
| 567 pointerEventEH, (XtPointer)beval); | |
| 568 } | |
| 569 | |
| 570 | |
| 571 /* | |
| 572 * The X event handler. All it does is call the real event handler. | |
| 573 */ | |
| 574 static void | |
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575 pointerEventEH( |
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576 Widget w UNUSED, |
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577 XtPointer client_data, |
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578 XEvent *event, |
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579 Boolean *unused UNUSED) |
| 7 | 580 { |
| 581 BalloonEval *beval = (BalloonEval *)client_data; | |
| 582 pointerEvent(beval, event); | |
| 583 } | |
| 584 | |
| 585 | |
| 586 /* | |
| 587 * The real event handler. Called by pointerEventEH() whenever an event we are | |
| 1228 | 588 * interested in occurs. |
| 7 | 589 */ |
| 590 | |
| 591 static void | |
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592 pointerEvent(BalloonEval *beval, XEvent *event) |
| 7 | 593 { |
| 4352 | 594 Position distance; /* a measure of how much the pointer moved */ |
| 7 | 595 Position delta; /* used to compute distance */ |
| 596 | |
| 597 switch (event->type) | |
| 598 { | |
| 599 case EnterNotify: | |
| 600 case MotionNotify: | |
| 601 delta = event->xmotion.x - beval->x; | |
| 602 if (delta < 0) | |
| 603 delta = -delta; | |
| 604 distance = delta; | |
| 605 delta = event->xmotion.y - beval->y; | |
| 606 if (delta < 0) | |
| 607 delta = -delta; | |
| 608 distance += delta; | |
| 609 if (distance > 4) | |
| 610 { | |
| 611 /* | |
| 612 * Moved out of the balloon location: cancel it. | |
| 613 * Remember button state | |
| 614 */ | |
| 615 beval->state = event->xmotion.state; | |
| 616 if (beval->state & (Button1Mask|Button2Mask|Button3Mask)) | |
| 617 { | |
| 618 /* Mouse buttons are pressed - no balloon now */ | |
| 619 cancelBalloon(beval); | |
| 620 } | |
| 621 else if (beval->state & (Mod1Mask|Mod2Mask|Mod3Mask)) | |
| 622 { | |
| 623 /* | |
| 624 * Alt is pressed -- enter super-evaluate-mode, | |
| 625 * where there is no time delay | |
| 626 */ | |
| 627 beval->x = event->xmotion.x; | |
| 628 beval->y = event->xmotion.y; | |
| 629 beval->x_root = event->xmotion.x_root; | |
| 630 beval->y_root = event->xmotion.y_root; | |
| 631 cancelBalloon(beval); | |
| 632 if (beval->msgCB != NULL) | |
| 633 { | |
| 634 beval->showState = ShS_PENDING; | |
| 635 (*beval->msgCB)(beval, beval->state); | |
| 636 } | |
| 637 } | |
| 638 else | |
| 639 { | |
| 640 beval->x = event->xmotion.x; | |
| 641 beval->y = event->xmotion.y; | |
| 642 beval->x_root = event->xmotion.x_root; | |
| 643 beval->y_root = event->xmotion.y_root; | |
| 644 cancelBalloon(beval); | |
| 645 beval->timerID = XtAppAddTimeOut( beval->appContext, | |
| 646 (long_u)p_bdlay, timerRoutine, beval); | |
| 647 } | |
| 648 } | |
| 649 break; | |
| 650 | |
| 651 /* | |
| 652 * Motif and Athena version: Keystrokes will be caught by the | |
| 653 * "textArea" widget, and handled in gui_x11_key_hit_cb(). | |
| 654 */ | |
| 655 case KeyPress: | |
| 656 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 657 { | |
| 658 Modifiers modifier; | |
| 659 KeySym keysym; | |
| 660 | |
| 661 XtTranslateKeycode(gui.dpy, | |
| 662 event->xkey.keycode, event->xkey.state, | |
| 663 &modifier, &keysym); | |
| 664 if (keysym == XK_Shift_L || keysym == XK_Shift_R) | |
| 665 { | |
| 666 beval->showState = ShS_UPDATE_PENDING; | |
| 667 (*beval->msgCB)(beval, ShiftMask); | |
| 668 } | |
| 669 else if (keysym == XK_Control_L || keysym == XK_Control_R) | |
| 670 { | |
| 671 beval->showState = ShS_UPDATE_PENDING; | |
| 672 (*beval->msgCB)(beval, ControlMask); | |
| 673 } | |
| 674 else | |
| 675 cancelBalloon(beval); | |
| 676 } | |
| 677 else | |
| 678 cancelBalloon(beval); | |
| 679 break; | |
| 680 | |
| 681 case KeyRelease: | |
| 682 if (beval->showState == ShS_SHOWING && beval->msgCB != NULL) | |
| 683 { | |
| 684 Modifiers modifier; | |
| 685 KeySym keysym; | |
| 686 | |
| 687 XtTranslateKeycode(gui.dpy, event->xkey.keycode, | |
| 688 event->xkey.state, &modifier, &keysym); | |
| 689 if ((keysym == XK_Shift_L) || (keysym == XK_Shift_R)) { | |
| 690 beval->showState = ShS_UPDATE_PENDING; | |
| 691 (*beval->msgCB)(beval, 0); | |
| 692 } | |
| 693 else if ((keysym == XK_Control_L) || (keysym == XK_Control_R)) | |
| 694 { | |
| 695 beval->showState = ShS_UPDATE_PENDING; | |
| 696 (*beval->msgCB)(beval, 0); | |
| 697 } | |
| 698 else | |
| 699 cancelBalloon(beval); | |
| 700 } | |
| 701 else | |
| 702 cancelBalloon(beval); | |
| 703 break; | |
| 704 | |
| 705 case LeaveNotify: | |
| 706 /* Ignore LeaveNotify events that are not "normal". | |
| 707 * Apparently we also get it when somebody else grabs focus. | |
| 708 * Happens for me every two seconds (some clipboard tool?) */ | |
| 709 if (event->xcrossing.mode == NotifyNormal) | |
| 710 cancelBalloon(beval); | |
| 711 break; | |
| 712 | |
| 713 case ButtonPress: | |
| 714 cancelBalloon(beval); | |
| 715 break; | |
| 716 | |
| 717 default: | |
| 718 break; | |
| 719 } | |
| 720 } | |
| 721 | |
| 722 static void | |
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723 timerRoutine(XtPointer dx, XtIntervalId *id UNUSED) |
| 7 | 724 { |
| 725 BalloonEval *beval = (BalloonEval *)dx; | |
| 726 | |
| 727 beval->timerID = (XtIntervalId)NULL; | |
| 728 | |
| 729 /* | |
| 730 * If the timer event happens then the mouse has stopped long enough for | |
| 731 * a request to be started. The request will only send to the debugger if | |
| 732 * there the mouse is pointing at real data. | |
| 733 */ | |
| 734 requestBalloon(beval); | |
| 735 } | |
| 736 | |
| 737 #endif /* !FEAT_GUI_GTK */ | |
| 738 | |
| 739 static void | |
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740 requestBalloon(BalloonEval *beval) |
| 7 | 741 { |
| 742 if (beval->showState != ShS_PENDING) | |
| 743 { | |
| 744 /* Determine the beval to display */ | |
| 745 if (beval->msgCB != NULL) | |
| 746 { | |
| 747 beval->showState = ShS_PENDING; | |
| 748 (*beval->msgCB)(beval, beval->state); | |
| 749 } | |
| 750 else if (beval->msg != NULL) | |
| 751 drawBalloon(beval); | |
| 752 } | |
| 753 } | |
| 754 | |
| 755 #ifdef FEAT_GUI_GTK | |
| 756 /* | |
| 757 * Convert the string to UTF-8 if 'encoding' is not "utf-8". | |
| 758 * Replace any non-printable characters and invalid bytes sequences with | |
| 759 * "^X" or "<xx>" escapes, and apply SpecialKey highlighting to them. | |
| 760 * TAB and NL are passed through unscathed. | |
| 761 */ | |
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762 # define IS_NONPRINTABLE(c) (((c) < 0x20 && (c) != TAB && (c) != NL) \ |
| 7 | 763 || (c) == DEL) |
| 764 static void | |
| 944 | 765 set_printable_label_text(GtkLabel *label, char_u *text) |
| 7 | 766 { |
| 767 char_u *convbuf = NULL; | |
| 768 char_u *buf; | |
| 769 char_u *p; | |
| 770 char_u *pdest; | |
| 771 unsigned int len; | |
| 772 int charlen; | |
| 773 int uc; | |
| 774 PangoAttrList *attr_list; | |
| 775 | |
| 776 /* Convert to UTF-8 if it isn't already */ | |
| 777 if (output_conv.vc_type != CONV_NONE) | |
| 778 { | |
| 944 | 779 convbuf = string_convert(&output_conv, text, NULL); |
| 7 | 780 if (convbuf != NULL) |
| 944 | 781 text = convbuf; |
| 7 | 782 } |
| 783 | |
| 784 /* First let's see how much we need to allocate */ | |
| 785 len = 0; | |
| 944 | 786 for (p = text; *p != NUL; p += charlen) |
| 7 | 787 { |
| 788 if ((*p & 0x80) == 0) /* be quick for ASCII */ | |
| 789 { | |
| 790 charlen = 1; | |
| 791 len += IS_NONPRINTABLE(*p) ? 2 : 1; /* nonprintable: ^X */ | |
| 792 } | |
| 793 else | |
| 794 { | |
| 474 | 795 charlen = utf_ptr2len(p); |
| 7 | 796 uc = utf_ptr2char(p); |
| 797 | |
| 798 if (charlen != utf_char2len(uc)) | |
| 799 charlen = 1; /* reject overlong sequences */ | |
| 800 | |
| 801 if (charlen == 1 || uc < 0xa0) /* illegal byte or */ | |
| 802 len += 4; /* control char: <xx> */ | |
| 803 else if (!utf_printable(uc)) | |
| 804 /* Note: we assume here that utf_printable() doesn't | |
| 805 * care about characters outside the BMP. */ | |
| 806 len += 6; /* nonprintable: <xxxx> */ | |
| 807 else | |
| 808 len += charlen; | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 attr_list = pango_attr_list_new(); | |
| 813 buf = alloc(len + 1); | |
| 814 | |
| 815 /* Now go for the real work */ | |
| 816 if (buf != NULL) | |
| 817 { | |
| 818 attrentry_T *aep; | |
| 819 PangoAttribute *attr; | |
| 820 guicolor_T pixel; | |
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821 #if GTK_CHECK_VERSION(3,0,0) |
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822 GdkRGBA color = { 0.0, 0.0, 0.0, 1.0 }; |
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823 # if PANGO_VERSION_CHECK(1,38,0) |
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824 PangoAttribute *attr_alpha; |
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825 # endif |
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826 #else |
| 7 | 827 GdkColor color = { 0, 0, 0, 0 }; |
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828 #endif |
| 7 | 829 |
| 830 /* Look up the RGB values of the SpecialKey foreground color. */ | |
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831 aep = syn_gui_attr2entry(HL_ATTR(HLF_8)); |
| 7 | 832 pixel = (aep != NULL) ? aep->ae_u.gui.fg_color : INVALCOLOR; |
| 833 if (pixel != INVALCOLOR) | |
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834 # if GTK_CHECK_VERSION(3,0,0) |
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835 { |
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836 color.red = ((pixel & 0xff0000) >> 16) / 255.0; |
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837 color.green = ((pixel & 0xff00) >> 8) / 255.0; |
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838 color.blue = (pixel & 0xff) / 255.0; |
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839 color.alpha = 1.0; |
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840 } |
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841 # else |
| 7 | 842 gdk_colormap_query_color(gtk_widget_get_colormap(gui.drawarea), |
| 843 (unsigned long)pixel, &color); | |
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844 # endif |
| 7 | 845 |
| 846 pdest = buf; | |
| 944 | 847 p = text; |
| 7 | 848 while (*p != NUL) |
| 849 { | |
| 850 /* Be quick for ASCII */ | |
| 851 if ((*p & 0x80) == 0 && !IS_NONPRINTABLE(*p)) | |
| 852 { | |
| 853 *pdest++ = *p++; | |
| 854 } | |
| 855 else | |
| 856 { | |
| 474 | 857 charlen = utf_ptr2len(p); |
| 7 | 858 uc = utf_ptr2char(p); |
| 859 | |
| 860 if (charlen != utf_char2len(uc)) | |
| 861 charlen = 1; /* reject overlong sequences */ | |
| 862 | |
| 863 if (charlen == 1 || uc < 0xa0 || !utf_printable(uc)) | |
| 864 { | |
| 865 int outlen; | |
| 866 | |
| 867 /* Careful: we can't just use transchar_byte() here, | |
| 868 * since 'encoding' is not necessarily set to "utf-8". */ | |
| 869 if (*p & 0x80 && charlen == 1) | |
| 870 { | |
| 871 transchar_hex(pdest, *p); /* <xx> */ | |
| 872 outlen = 4; | |
| 873 } | |
| 874 else if (uc >= 0x80) | |
| 875 { | |
| 876 /* Note: we assume here that utf_printable() doesn't | |
| 877 * care about characters outside the BMP. */ | |
| 878 transchar_hex(pdest, uc); /* <xx> or <xxxx> */ | |
| 879 outlen = (uc < 0x100) ? 4 : 6; | |
| 880 } | |
| 881 else | |
| 882 { | |
| 883 transchar_nonprint(pdest, *p); /* ^X */ | |
| 884 outlen = 2; | |
| 885 } | |
| 886 if (pixel != INVALCOLOR) | |
| 887 { | |
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888 #if GTK_CHECK_VERSION(3,0,0) |
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889 # define DOUBLE2UINT16(val) ((guint16)((val) * 65535 + 0.5)) |
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890 attr = pango_attr_foreground_new( |
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891 DOUBLE2UINT16(color.red), |
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892 DOUBLE2UINT16(color.green), |
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893 DOUBLE2UINT16(color.blue)); |
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894 # if PANGO_VERSION_CHECK(1,38,0) |
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895 attr_alpha = pango_attr_foreground_alpha_new( |
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896 DOUBLE2UINT16(color.alpha)); |
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897 # endif |
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898 # undef DOUBLE2UINT16 |
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899 #else |
| 7 | 900 attr = pango_attr_foreground_new( |
| 901 color.red, color.green, color.blue); | |
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902 #endif |
| 7 | 903 attr->start_index = pdest - buf; |
| 904 attr->end_index = pdest - buf + outlen; | |
| 905 pango_attr_list_insert(attr_list, attr); | |
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906 #if GTK_CHECK_VERSION(3,0,0) |
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907 # if PANGO_VERSION_CHECK(1,38,0) |
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908 attr_alpha->start_index = pdest - buf; |
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909 attr_alpha->end_index = pdest - buf + outlen; |
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910 pango_attr_list_insert(attr_list, attr_alpha); |
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911 # endif |
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912 #endif |
| 7 | 913 } |
| 914 pdest += outlen; | |
| 915 p += charlen; | |
| 916 } | |
| 917 else | |
| 918 { | |
| 919 do | |
| 920 *pdest++ = *p++; | |
| 921 while (--charlen != 0); | |
| 922 } | |
| 923 } | |
| 924 } | |
| 925 *pdest = NUL; | |
| 926 } | |
| 927 | |
| 928 vim_free(convbuf); | |
| 929 | |
| 930 gtk_label_set_text(label, (const char *)buf); | |
| 931 vim_free(buf); | |
| 932 | |
| 933 gtk_label_set_attributes(label, attr_list); | |
| 934 pango_attr_list_unref(attr_list); | |
| 935 } | |
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936 # undef IS_NONPRINTABLE |
| 7 | 937 |
| 938 /* | |
| 939 * Draw a balloon. | |
| 940 */ | |
| 941 static void | |
| 942 drawBalloon(BalloonEval *beval) | |
| 943 { | |
| 944 if (beval->msg != NULL) | |
| 945 { | |
| 946 GtkRequisition requisition; | |
| 947 int screen_w; | |
| 948 int screen_h; | |
| 949 int x; | |
| 950 int y; | |
| 951 int x_offset = EVAL_OFFSET_X; | |
| 952 int y_offset = EVAL_OFFSET_Y; | |
| 953 PangoLayout *layout; | |
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954 |
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955 # if !GTK_CHECK_VERSION(3,22,2) |
| 7 | 956 GdkScreen *screen; |
| 957 | |
| 958 screen = gtk_widget_get_screen(beval->target); | |
| 959 gtk_window_set_screen(GTK_WINDOW(beval->balloonShell), screen); | |
| 960 # endif | |
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961 gui_gtk_get_screen_size_of_win(beval->balloonShell, |
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962 &screen_w, &screen_h); |
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963 # if !GTK_CHECK_VERSION(3,0,0) |
| 7 | 964 gtk_widget_ensure_style(beval->balloonShell); |
| 965 gtk_widget_ensure_style(beval->balloonLabel); | |
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966 # endif |
| 7 | 967 |
| 968 set_printable_label_text(GTK_LABEL(beval->balloonLabel), beval->msg); | |
| 969 /* | |
| 970 * Dirty trick: Enable wrapping mode on the label's layout behind its | |
| 971 * back. This way GtkLabel won't try to constrain the wrap width to a | |
| 972 * builtin maximum value of about 65 Latin characters. | |
| 973 */ | |
| 974 layout = gtk_label_get_layout(GTK_LABEL(beval->balloonLabel)); | |
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975 # ifdef PANGO_WRAP_WORD_CHAR |
| 7 | 976 pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR); |
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977 # else |
| 7 | 978 pango_layout_set_wrap(layout, PANGO_WRAP_WORD); |
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979 # endif |
| 7 | 980 pango_layout_set_width(layout, |
| 981 /* try to come up with some reasonable width */ | |
| 982 PANGO_SCALE * CLAMP(gui.num_cols * gui.char_width, | |
| 983 screen_w / 2, | |
| 984 MAX(20, screen_w - 20))); | |
| 985 | |
| 986 /* Calculate the balloon's width and height. */ | |
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987 # if GTK_CHECK_VERSION(3,0,0) |
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988 gtk_widget_get_preferred_size(beval->balloonShell, &requisition, NULL); |
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989 # else |
| 7 | 990 gtk_widget_size_request(beval->balloonShell, &requisition); |
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991 # endif |
| 7 | 992 |
| 993 /* Compute position of the balloon area */ | |
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994 # if GTK_CHECK_VERSION(3,0,0) |
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995 gdk_window_get_origin(gtk_widget_get_window(beval->target), &x, &y); |
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996 # else |
| 7 | 997 gdk_window_get_origin(beval->target->window, &x, &y); |
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998 # endif |
| 7 | 999 x += beval->x; |
| 1000 y += beval->y; | |
| 1001 | |
| 1002 /* Get out of the way of the mouse pointer */ | |
| 1003 if (x + x_offset + requisition.width > screen_w) | |
| 1004 y_offset += 15; | |
| 1005 if (y + y_offset + requisition.height > screen_h) | |
| 1006 y_offset = -requisition.height - EVAL_OFFSET_Y; | |
| 1007 | |
| 1008 /* Sanitize values */ | |
| 1009 x = CLAMP(x + x_offset, 0, MAX(0, screen_w - requisition.width)); | |
| 1010 y = CLAMP(y + y_offset, 0, MAX(0, screen_h - requisition.height)); | |
| 1011 | |
| 1012 /* Show the balloon */ | |
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1013 # if GTK_CHECK_VERSION(3,0,0) |
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1014 gtk_window_move(GTK_WINDOW(beval->balloonShell), x, y); |
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1015 # else |
| 7 | 1016 gtk_widget_set_uposition(beval->balloonShell, x, y); |
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1017 # endif |
| 7 | 1018 gtk_widget_show(beval->balloonShell); |
| 1019 | |
| 1020 beval->showState = ShS_SHOWING; | |
| 1021 } | |
| 1022 } | |
| 1023 | |
| 1024 /* | |
| 1025 * Undraw a balloon. | |
| 1026 */ | |
| 1027 static void | |
| 1028 undrawBalloon(BalloonEval *beval) | |
| 1029 { | |
| 1030 if (beval->balloonShell != NULL) | |
| 1031 gtk_widget_hide(beval->balloonShell); | |
| 1032 beval->showState = ShS_NEUTRAL; | |
| 1033 } | |
| 1034 | |
| 1035 static void | |
| 1036 cancelBalloon(BalloonEval *beval) | |
| 1037 { | |
| 1038 if (beval->showState == ShS_SHOWING | |
| 1039 || beval->showState == ShS_UPDATE_PENDING) | |
| 1040 undrawBalloon(beval); | |
| 1041 | |
| 1042 if (beval->timerID != 0) | |
| 1043 { | |
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1044 # if GTK_CHECK_VERSION(3,0,0) |
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1045 g_source_remove(beval->timerID); |
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1046 # else |
| 7 | 1047 gtk_timeout_remove(beval->timerID); |
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1048 # endif |
| 7 | 1049 beval->timerID = 0; |
| 1050 } | |
| 1051 beval->showState = ShS_NEUTRAL; | |
| 1052 } | |
| 1053 | |
| 1054 static void | |
| 1055 createBalloonEvalWindow(BalloonEval *beval) | |
| 1056 { | |
| 1057 beval->balloonShell = gtk_window_new(GTK_WINDOW_POPUP); | |
| 1058 | |
| 1059 gtk_widget_set_app_paintable(beval->balloonShell, TRUE); | |
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1060 # if GTK_CHECK_VERSION(3,0,0) |
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1061 gtk_window_set_resizable(GTK_WINDOW(beval->balloonShell), FALSE); |
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1062 # else |
| 7 | 1063 gtk_window_set_policy(GTK_WINDOW(beval->balloonShell), FALSE, FALSE, TRUE); |
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1064 # endif |
| 7 | 1065 gtk_widget_set_name(beval->balloonShell, "gtk-tooltips"); |
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1066 # if GTK_CHECK_VERSION(3,0,0) |
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1067 gtk_container_set_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1068 # else |
| 7 | 1069 gtk_container_border_width(GTK_CONTAINER(beval->balloonShell), 4); |
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1070 # endif |
| 7 | 1071 |
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1072 # if GTK_CHECK_VERSION(3,0,0) |
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1073 g_signal_connect(G_OBJECT(beval->balloonShell), "draw", |
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1074 G_CALLBACK(balloon_draw_event_cb), NULL); |
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1075 # else |
| 7 | 1076 gtk_signal_connect((GtkObject*)(beval->balloonShell), "expose_event", |
| 1077 GTK_SIGNAL_FUNC(balloon_expose_event_cb), NULL); | |
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1078 # endif |
| 7 | 1079 beval->balloonLabel = gtk_label_new(NULL); |
| 1080 | |
| 1081 gtk_label_set_line_wrap(GTK_LABEL(beval->balloonLabel), FALSE); | |
| 1082 gtk_label_set_justify(GTK_LABEL(beval->balloonLabel), GTK_JUSTIFY_LEFT); | |
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1083 # if GTK_CHECK_VERSION(3,16,0) |
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1084 gtk_label_set_xalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1085 gtk_label_set_yalign(GTK_LABEL(beval->balloonLabel), 0.5); |
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1086 # elif GTK_CHECK_VERSION(3,14,0) |
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1087 GValue align_val = G_VALUE_INIT; |
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1088 g_value_init(&align_val, G_TYPE_FLOAT); |
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1089 g_value_set_float(&align_val, 0.5); |
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1090 g_object_set_property(G_OBJECT(beval->balloonLabel), "xalign", &align_val); |
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1091 g_object_set_property(G_OBJECT(beval->balloonLabel), "yalign", &align_val); |
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1092 g_value_unset(&align_val); |
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1093 # else |
| 7 | 1094 gtk_misc_set_alignment(GTK_MISC(beval->balloonLabel), 0.5f, 0.5f); |
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1095 # endif |
| 7 | 1096 gtk_widget_set_name(beval->balloonLabel, "vim-balloon-label"); |
| 1097 gtk_widget_show(beval->balloonLabel); | |
| 1098 | |
| 1099 gtk_container_add(GTK_CONTAINER(beval->balloonShell), beval->balloonLabel); | |
| 1100 } | |
| 1101 | |
| 1102 #else /* !FEAT_GUI_GTK */ | |
| 1103 | |
| 1104 /* | |
| 1105 * Draw a balloon. | |
| 1106 */ | |
| 1107 static void | |
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1108 drawBalloon(BalloonEval *beval) |
| 7 | 1109 { |
| 1110 Dimension w; | |
| 1111 Dimension h; | |
| 1112 Position tx; | |
| 1113 Position ty; | |
| 1114 | |
| 1115 if (beval->msg != NULL) | |
| 1116 { | |
| 1117 /* Show the Balloon */ | |
| 1118 | |
| 1119 /* Calculate the label's width and height */ | |
| 1120 #ifdef FEAT_GUI_MOTIF | |
| 1121 XmString s; | |
| 1122 | |
| 1123 /* For the callback function we parse NL characters to create a | |
| 1124 * multi-line label. This doesn't work for all languages, but | |
| 1125 * XmStringCreateLocalized() doesn't do multi-line labels... */ | |
| 1126 if (beval->msgCB != NULL) | |
| 1127 s = XmStringCreateLtoR((char *)beval->msg, XmFONTLIST_DEFAULT_TAG); | |
| 1128 else | |
| 1129 s = XmStringCreateLocalized((char *)beval->msg); | |
| 1130 { | |
| 1131 XmFontList fl; | |
| 1132 | |
| 1133 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 6003 | 1134 if (fl == NULL) |
| 7 | 1135 { |
| 6003 | 1136 XmStringFree(s); |
| 1137 return; | |
| 7 | 1138 } |
| 6003 | 1139 XmStringExtent(fl, s, &w, &h); |
| 1140 XmFontListFree(fl); | |
| 7 | 1141 } |
| 1142 w += gui.border_offset << 1; | |
| 1143 h += gui.border_offset << 1; | |
| 1144 XtVaSetValues(beval->balloonLabel, XmNlabelString, s, NULL); | |
| 1145 XmStringFree(s); | |
| 1146 #else /* Athena */ | |
| 1147 /* Assume XtNinternational == True */ | |
| 1148 XFontSet fset; | |
| 1149 XFontSetExtents *ext; | |
| 1150 | |
| 1151 XtVaGetValues(beval->balloonLabel, XtNfontSet, &fset, NULL); | |
| 1152 ext = XExtentsOfFontSet(fset); | |
| 1153 h = ext->max_ink_extent.height; | |
| 1154 w = XmbTextEscapement(fset, | |
| 1155 (char *)beval->msg, | |
| 1156 (int)STRLEN(beval->msg)); | |
| 1157 w += gui.border_offset << 1; | |
| 1158 h += gui.border_offset << 1; | |
| 1159 XtVaSetValues(beval->balloonLabel, XtNlabel, beval->msg, NULL); | |
| 1160 #endif | |
| 1161 | |
| 1162 /* Compute position of the balloon area */ | |
| 1163 tx = beval->x_root + EVAL_OFFSET_X; | |
| 1164 ty = beval->y_root + EVAL_OFFSET_Y; | |
| 1165 if ((tx + w) > beval->screen_width) | |
| 1166 tx = beval->screen_width - w; | |
| 1167 if ((ty + h) > beval->screen_height) | |
| 1168 ty = beval->screen_height - h; | |
| 1169 #ifdef FEAT_GUI_MOTIF | |
| 1170 XtVaSetValues(beval->balloonShell, | |
| 1171 XmNx, tx, | |
| 1172 XmNy, ty, | |
| 1173 NULL); | |
| 1174 #else | |
| 1175 /* Athena */ | |
| 1176 XtVaSetValues(beval->balloonShell, | |
| 1177 XtNx, tx, | |
| 1178 XtNy, ty, | |
| 1179 NULL); | |
| 1180 #endif | |
| 1844 | 1181 /* Set tooltip colors */ |
| 1182 { | |
| 1183 Arg args[2]; | |
| 1184 | |
| 1185 #ifdef FEAT_GUI_MOTIF | |
| 1186 args[0].name = XmNbackground; | |
| 1187 args[0].value = gui.tooltip_bg_pixel; | |
| 1188 args[1].name = XmNforeground; | |
| 1189 args[1].value = gui.tooltip_fg_pixel; | |
| 1190 #else /* Athena */ | |
| 1191 args[0].name = XtNbackground; | |
| 1192 args[0].value = gui.tooltip_bg_pixel; | |
| 1193 args[1].name = XtNforeground; | |
| 1194 args[1].value = gui.tooltip_fg_pixel; | |
| 1195 #endif | |
| 1196 XtSetValues(beval->balloonLabel, &args[0], XtNumber(args)); | |
| 1197 } | |
| 7 | 1198 |
| 1199 XtPopup(beval->balloonShell, XtGrabNone); | |
| 1200 | |
| 1201 beval->showState = ShS_SHOWING; | |
| 1202 | |
| 1203 current_beval = beval; | |
| 1204 } | |
| 1205 } | |
| 1206 | |
| 1207 /* | |
| 1208 * Undraw a balloon. | |
| 1209 */ | |
| 1210 static void | |
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1211 undrawBalloon(BalloonEval *beval) |
| 7 | 1212 { |
| 1213 if (beval->balloonShell != (Widget)0) | |
| 1214 XtPopdown(beval->balloonShell); | |
| 1215 beval->showState = ShS_NEUTRAL; | |
| 1216 | |
| 1217 current_beval = NULL; | |
| 1218 } | |
| 1219 | |
| 1220 static void | |
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1221 cancelBalloon(BalloonEval *beval) |
| 7 | 1222 { |
| 1223 if (beval->showState == ShS_SHOWING | |
| 1224 || beval->showState == ShS_UPDATE_PENDING) | |
| 1225 undrawBalloon(beval); | |
| 1226 | |
| 1227 if (beval->timerID != (XtIntervalId)NULL) | |
| 1228 { | |
| 1229 XtRemoveTimeOut(beval->timerID); | |
| 1230 beval->timerID = (XtIntervalId)NULL; | |
| 1231 } | |
| 1232 beval->showState = ShS_NEUTRAL; | |
| 1233 } | |
| 1234 | |
| 1235 | |
| 1236 static void | |
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1237 createBalloonEvalWindow(BalloonEval *beval) |
| 7 | 1238 { |
| 1239 Arg args[12]; | |
| 1240 int n; | |
| 1241 | |
| 1242 n = 0; | |
| 1243 #ifdef FEAT_GUI_MOTIF | |
| 1244 XtSetArg(args[n], XmNallowShellResize, True); n++; | |
| 1245 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1246 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1247 #else | |
| 1248 /* Athena */ | |
| 1249 XtSetArg(args[n], XtNallowShellResize, True); n++; | |
| 1250 beval->balloonShell = XtAppCreateShell("balloonEval", "BalloonEval", | |
| 1251 overrideShellWidgetClass, gui.dpy, args, n); | |
| 1252 #endif | |
| 1253 | |
| 1254 n = 0; | |
| 1255 #ifdef FEAT_GUI_MOTIF | |
| 1256 { | |
| 1257 XmFontList fl; | |
| 1258 | |
| 1259 fl = gui_motif_fontset2fontlist(&gui.tooltip_fontset); | |
| 1260 XtSetArg(args[n], XmNforeground, gui.tooltip_fg_pixel); n++; | |
| 1261 XtSetArg(args[n], XmNbackground, gui.tooltip_bg_pixel); n++; | |
| 1262 XtSetArg(args[n], XmNfontList, fl); n++; | |
| 1263 XtSetArg(args[n], XmNalignment, XmALIGNMENT_BEGINNING); n++; | |
| 1264 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1265 xmLabelWidgetClass, beval->balloonShell, args, n); | |
| 1266 } | |
| 1267 #else /* FEAT_GUI_ATHENA */ | |
| 1268 XtSetArg(args[n], XtNforeground, gui.tooltip_fg_pixel); n++; | |
| 1269 XtSetArg(args[n], XtNbackground, gui.tooltip_bg_pixel); n++; | |
| 1270 XtSetArg(args[n], XtNinternational, True); n++; | |
| 1271 XtSetArg(args[n], XtNfontSet, gui.tooltip_fontset); n++; | |
| 1272 beval->balloonLabel = XtCreateManagedWidget("balloonLabel", | |
| 1273 labelWidgetClass, beval->balloonShell, args, n); | |
| 1274 #endif | |
| 1275 } | |
| 1276 | |
| 1277 #endif /* !FEAT_GUI_GTK */ | |
| 1278 #endif /* !FEAT_GUI_W32 */ | |
| 1279 | |
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1280 #endif /* FEAT_BEVAL_GUI */ |