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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: minifram.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id$
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 #ifdef __GNUG__
11 #pragma implementation "minifram.h"
12 #endif
13
14 #include "wx/minifram.h"
15
16 #if wxUSE_MINIFRAME
17
18 #include "wx/dcscreen.h"
19
20 #include "gtk/gtk.h"
21 #include "wx/gtk/win_gtk.h"
22
23 #include <gdk/gdk.h>
24 #include <gdk/gdkprivate.h>
25 #include <gdk/gdkx.h>
26
27 //-----------------------------------------------------------------------------
28 // idle system
29 //-----------------------------------------------------------------------------
30
31 extern void wxapp_install_idle_handler();
32 extern bool g_isIdle;
33
34 //-----------------------------------------------------------------------------
35 // data
36 //-----------------------------------------------------------------------------
37
38 extern bool g_blockEventsOnDrag;
39 extern bool g_blockEventsOnScroll;
40 extern GtkWidget *wxGetRootWindow();
41
42 //-----------------------------------------------------------------------------
43 // local functions
44 //-----------------------------------------------------------------------------
45
46 /* draw XOR rectangle when moving mine frame around */
47
48 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
49 {
50 int org_x = 0;
51 int org_y = 0;
52 gdk_window_get_origin( widget->window, &org_x, &org_y );
53 x += org_x;
54 y += org_y;
55
56 GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
57 gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
58 gdk_gc_set_function( gc, GDK_INVERT );
59
60 gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
61 gdk_gc_unref( gc );
62 }
63
64 //-----------------------------------------------------------------------------
65 // "expose_event" of m_mainWidget
66 //-----------------------------------------------------------------------------
67
68 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
69 {
70 if (g_isIdle) wxapp_install_idle_handler();
71
72 if (!win->m_hasVMT) return;
73 if (gdk_event->count > 0) return;
74
75 GtkPizza *pizza = GTK_PIZZA(widget);
76
77 gtk_draw_shadow( widget->style,
78 pizza->bin_window,
79 GTK_STATE_NORMAL,
80 GTK_SHADOW_OUT,
81 0, 0,
82 win->m_width, win->m_height );
83
84 if (!win->m_title.IsEmpty() &&
85 ((win->GetWindowStyle() & wxCAPTION) ||
86 (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
87 (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
88 {
89 GdkGC *gc = gdk_gc_new( pizza->bin_window );
90 GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
91
92 gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
93 gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
94 3,
95 3,
96 win->m_width - 7,
97 font->ascent + font->descent+1 );
98
99 gdk_gc_set_foreground( gc, &widget->style->fg[GTK_STATE_SELECTED] );
100 gdk_draw_string( pizza->bin_window, font, gc,
101 6,
102 3+font->ascent,
103 win->m_title.mb_str() );
104
105 gdk_gc_unref( gc );
106 }
107 }
108
109 //-----------------------------------------------------------------------------
110 // "draw" of m_mainWidget
111 //-----------------------------------------------------------------------------
112
113 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
114 {
115 if (g_isIdle) wxapp_install_idle_handler();
116
117 if (!win->m_hasVMT) return;
118
119 GtkPizza *pizza = GTK_PIZZA(widget);
120
121 gtk_draw_shadow( widget->style,
122 pizza->bin_window,
123 GTK_STATE_NORMAL,
124 GTK_SHADOW_OUT,
125 0, 0,
126 win->m_width, win->m_height );
127
128 if (!win->m_title.IsEmpty() &&
129 ((win->GetWindowStyle() & wxCAPTION) ||
130 (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
131 (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
132 {
133 GdkGC *gc = gdk_gc_new( pizza->bin_window );
134 GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
135
136 gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
137 gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
138 3,
139 3,
140 win->m_width - 7,
141 font->ascent + font->descent+1 );
142
143 gdk_gc_set_foreground( gc, &widget->style->fg[GTK_STATE_SELECTED] );
144 gdk_draw_string( pizza->bin_window, font, gc,
145 6,
146 3+font->ascent,
147 win->m_title.mb_str() );
148
149 gdk_gc_unref( gc );
150 }
151 }
152
153 //-----------------------------------------------------------------------------
154 // "button_press_event" of m_mainWidget
155 //-----------------------------------------------------------------------------
156
157 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
158 {
159 if (g_isIdle) wxapp_install_idle_handler();
160
161 if (!win->m_hasVMT) return FALSE;
162 if (g_blockEventsOnDrag) return TRUE;
163 if (g_blockEventsOnScroll) return TRUE;
164
165 if (win->m_isDragging) return TRUE;
166
167 GtkPizza *pizza = GTK_PIZZA(widget);
168 if (gdk_event->window != pizza->bin_window) return TRUE;
169
170 GdkFont *font = wxSMALL_FONT->GetInternalFont(1.0);
171 int height = font->ascent + font->descent+1;
172 if (gdk_event->y > height) return TRUE;
173
174 gdk_window_raise( win->m_widget->window );
175
176 gdk_pointer_grab( widget->window, FALSE,
177 (GdkEventMask)
178 (GDK_BUTTON_PRESS_MASK |
179 GDK_BUTTON_RELEASE_MASK |
180 GDK_POINTER_MOTION_MASK |
181 GDK_POINTER_MOTION_HINT_MASK |
182 GDK_BUTTON_MOTION_MASK |
183 GDK_BUTTON1_MOTION_MASK),
184 (GdkWindow *) NULL,
185 (GdkCursor *) NULL,
186 (unsigned int) GDK_CURRENT_TIME );
187
188 win->m_diffX = (int)gdk_event->x;
189 win->m_diffY = (int)gdk_event->y;
190 DrawFrame( widget, 0, 0, win->m_width, win->m_height );
191 win->m_oldX = 0;
192 win->m_oldY = 0;
193
194 win->m_isDragging = TRUE;
195
196 return TRUE;
197 }
198
199 //-----------------------------------------------------------------------------
200 // "button_release_event" of m_mainWidget
201 //-----------------------------------------------------------------------------
202
203 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
204 {
205 if (g_isIdle) wxapp_install_idle_handler();
206
207 if (!win->m_hasVMT) return FALSE;
208 if (g_blockEventsOnDrag) return TRUE;
209 if (g_blockEventsOnScroll) return TRUE;
210
211 if (!win->m_isDragging) return TRUE;
212
213 win->m_isDragging = FALSE;
214
215 int x = (int)gdk_event->x;
216 int y = (int)gdk_event->y;
217
218 DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
219 gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
220 int org_x = 0;
221 int org_y = 0;
222 gdk_window_get_origin( widget->window, &org_x, &org_y );
223 x += org_x - win->m_diffX;
224 y += org_y - win->m_diffY;
225 win->m_x = x;
226 win->m_y = y;
227 gtk_widget_set_uposition( win->m_widget, x, y );
228
229 return TRUE;
230 }
231
232 //-----------------------------------------------------------------------------
233 // "motion_notify_event" of m_mainWidget
234 //-----------------------------------------------------------------------------
235
236 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
237 {
238 if (g_isIdle) wxapp_install_idle_handler();
239
240 if (!win->m_hasVMT) return FALSE;
241 if (g_blockEventsOnDrag) return TRUE;
242 if (g_blockEventsOnScroll) return TRUE;
243
244 if (!win->m_isDragging) return TRUE;
245
246 if (gdk_event->is_hint)
247 {
248 int x = 0;
249 int y = 0;
250 GdkModifierType state;
251 gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
252 gdk_event->x = x;
253 gdk_event->y = y;
254 gdk_event->state = state;
255 }
256
257 DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
258 win->m_oldX = (int)gdk_event->x - win->m_diffX;
259 win->m_oldY = (int)gdk_event->y - win->m_diffY;
260 DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
261
262 return TRUE;
263 }
264
265 //-----------------------------------------------------------------------------
266 // "clicked" of X system button
267 //-----------------------------------------------------------------------------
268
269 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
270 {
271 if (g_isIdle) wxapp_install_idle_handler();
272
273 mf->Close();
274 }
275
276 //-----------------------------------------------------------------------------
277 // wxMiniFrame
278 //-----------------------------------------------------------------------------
279
280 static const char *cross_xpm[] = {
281 /* columns rows colors chars-per-pixel */
282 "5 5 16 1",
283 " c Gray0",
284 ". c #bf0000",
285 "X c #00bf00",
286 "o c #bfbf00",
287 "O c #0000bf",
288 "+ c #bf00bf",
289 "@ c #00bfbf",
290 "# c None",
291 "$ c #808080",
292 "% c Red",
293 "& c Green",
294 "* c Yellow",
295 "= c Blue",
296 "- c Magenta",
297 "; c Cyan",
298 ": c Gray100",
299 /* pixels */
300 " ### ",
301 "# # #",
302 "## ##",
303 "# # #",
304 " ### ",
305 };
306
307 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
308
309 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
310 const wxPoint &pos, const wxSize &size,
311 long style, const wxString &name )
312 {
313 style = style | wxCAPTION;
314
315 if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
316 m_miniTitle = 13;
317
318 m_miniEdge = 3;
319 m_isDragging = FALSE;
320 m_oldX = -1;
321 m_oldY = -1;
322 m_diffX = 0;
323 m_diffY = 0;
324
325 wxFrame::Create( parent, id, title, pos, size, style, name );
326
327 if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
328 {
329 gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
330 }
331
332 if ((style & wxSYSTEM_MENU) &&
333 ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
334 {
335 GdkBitmap *mask = (GdkBitmap*) NULL;
336 GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
337 (
338 wxGetRootWindow()->window,
339 &mask,
340 NULL,
341 (char **)cross_xpm
342 );
343
344 GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
345 gdk_bitmap_unref( mask );
346 gdk_pixmap_unref( pixmap );
347 gtk_widget_show( pw );
348
349 GtkWidget *close_button = gtk_button_new();
350 gtk_container_add( GTK_CONTAINER(close_button), pw );
351
352 gtk_pizza_put( GTK_PIZZA(m_mainWidget),
353 close_button,
354 size.x-16, 4, 11, 11 );
355
356 gtk_widget_show( close_button );
357
358 gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
359 GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
360 }
361
362 /* these are called when the borders are drawn */
363 gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
364 GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
365
366 gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
367 GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
368
369 /* these are required for dragging the mini frame around */
370 gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
371 GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
372
373 gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
374 GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
375
376 gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
377 GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
378
379 return TRUE;
380 }
381
382 #endif