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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk/minifram.cpp | |
3 | // Purpose: | |
4 | // Author: Robert Roebling | |
5 | // Id: $Id$ | |
6 | // Copyright: (c) 1998 Robert Roebling | |
7 | // Licence: wxWindows licence | |
8 | ///////////////////////////////////////////////////////////////////////////// | |
9 | ||
10 | // For compilers that support precompilation, includes "wx.h". | |
11 | #include "wx/wxprec.h" | |
12 | ||
13 | #if wxUSE_MINIFRAME | |
14 | ||
15 | #include "wx/minifram.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/settings.h" | |
19 | #include "wx/dcclient.h" | |
20 | #include "wx/image.h" | |
21 | #endif | |
22 | ||
23 | #include "wx/gtk/win_gtk.h" | |
24 | #include "wx/gtk/private.h" | |
25 | ||
26 | //----------------------------------------------------------------------------- | |
27 | // data | |
28 | //----------------------------------------------------------------------------- | |
29 | ||
30 | extern bool g_blockEventsOnDrag; | |
31 | extern bool g_blockEventsOnScroll; | |
32 | extern GtkWidget *wxGetRootWindow(); | |
33 | ||
34 | //----------------------------------------------------------------------------- | |
35 | // "expose_event" of m_mainWidget | |
36 | //----------------------------------------------------------------------------- | |
37 | ||
38 | // StepColour() it a utility function that simply darkens | |
39 | // or lightens a color, based on the specified percentage | |
40 | static wxColor StepColour(const wxColor& c, int percent) | |
41 | { | |
42 | int r = c.Red(), g = c.Green(), b = c.Blue(); | |
43 | return wxColour((unsigned char)wxMin((r*percent)/100,255), | |
44 | (unsigned char)wxMin((g*percent)/100,255), | |
45 | (unsigned char)wxMin((b*percent)/100,255)); | |
46 | } | |
47 | ||
48 | static wxColor LightContrastColour(const wxColour& c) | |
49 | { | |
50 | int amount = 120; | |
51 | ||
52 | // if the color is especially dark, then | |
53 | // make the contrast even lighter | |
54 | if (c.Red() < 128 && c.Green() < 128 && c.Blue() < 128) | |
55 | amount = 160; | |
56 | ||
57 | return StepColour(c, amount); | |
58 | } | |
59 | ||
60 | extern "C" { | |
61 | static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxMiniFrame *win ) | |
62 | { | |
63 | // don't need to install idle handler, its done from "event" signal | |
64 | ||
65 | if (!win->m_hasVMT) return; | |
66 | if (gdk_event->count > 0) return; | |
67 | ||
68 | GtkPizza *pizza = GTK_PIZZA(widget); | |
69 | ||
70 | gtk_paint_shadow (widget->style, | |
71 | pizza->bin_window, | |
72 | GTK_STATE_NORMAL, | |
73 | GTK_SHADOW_OUT, | |
74 | NULL, NULL, NULL, // FIXME: No clipping? | |
75 | 0, 0, | |
76 | win->m_width, win->m_height); | |
77 | ||
78 | int style = win->GetWindowStyle(); | |
79 | ||
80 | wxClientDC dc(win); | |
81 | // Hack alert | |
82 | dc.m_window = pizza->bin_window; | |
83 | ||
84 | if (style & wxRESIZE_BORDER) | |
85 | { | |
86 | dc.SetBrush( *wxGREY_BRUSH ); | |
87 | dc.SetPen( *wxTRANSPARENT_PEN ); | |
88 | dc.DrawRectangle( win->m_width - 14, win->m_height-14, 14, 14 ); | |
89 | } | |
90 | ||
91 | if (!win->GetTitle().empty() && | |
92 | ((style & wxCAPTION) || | |
93 | (style & wxTINY_CAPTION_HORIZ) || | |
94 | (style & wxTINY_CAPTION_VERT))) | |
95 | { | |
96 | dc.SetFont( *wxSMALL_FONT ); | |
97 | int height = dc.GetCharHeight(); | |
98 | ||
99 | wxBrush brush( LightContrastColour( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT) ) ); | |
100 | dc.SetBrush( brush ); | |
101 | dc.SetPen( *wxTRANSPARENT_PEN ); | |
102 | dc.DrawRectangle( 3, 3, win->m_width - 7, height ); | |
103 | ||
104 | dc.SetTextForeground( *wxWHITE ); | |
105 | dc.DrawText( win->GetTitle(), 6, 3 ); | |
106 | ||
107 | if (style & wxCLOSE_BOX) | |
108 | dc.DrawBitmap( win->m_closeButton, win->m_width-19, 3, true ); | |
109 | } | |
110 | } | |
111 | } | |
112 | ||
113 | //----------------------------------------------------------------------------- | |
114 | // "button_press_event" of m_mainWidget | |
115 | //----------------------------------------------------------------------------- | |
116 | ||
117 | extern "C" { | |
118 | static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win ) | |
119 | { | |
120 | // don't need to install idle handler, its done from "event" signal | |
121 | ||
122 | if (!win->m_hasVMT) return FALSE; | |
123 | if (g_blockEventsOnDrag) return TRUE; | |
124 | if (g_blockEventsOnScroll) return TRUE; | |
125 | ||
126 | if (win->m_isDragging) return TRUE; | |
127 | ||
128 | GtkPizza *pizza = GTK_PIZZA(widget); | |
129 | if (gdk_event->window != pizza->bin_window) return TRUE; | |
130 | ||
131 | int style = win->GetWindowStyle(); | |
132 | ||
133 | int y = (int)gdk_event->y; | |
134 | int x = (int)gdk_event->x; | |
135 | ||
136 | if ((style & wxRESIZE_BORDER) && | |
137 | (x > win->m_width-14) && (y > win->m_height-14)) | |
138 | { | |
139 | GtkWidget *ancestor = gtk_widget_get_toplevel( widget ); | |
140 | ||
141 | GdkWindow *source = GTK_PIZZA(widget)->bin_window; | |
142 | ||
143 | int org_x = 0; | |
144 | int org_y = 0; | |
145 | gdk_window_get_origin( source, &org_x, &org_y ); | |
146 | ||
147 | gtk_window_begin_resize_drag (GTK_WINDOW (ancestor), | |
148 | GDK_WINDOW_EDGE_SOUTH_EAST, | |
149 | 1, | |
150 | org_x + x, | |
151 | org_y + y, | |
152 | 0); | |
153 | ||
154 | return TRUE; | |
155 | } | |
156 | ||
157 | if ((style & wxCLOSE_BOX) && | |
158 | ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))) | |
159 | { | |
160 | if ((y > 3) && (y < 19) && (x > win->m_width-19) && (x < win->m_width-3)) | |
161 | { | |
162 | win->Close(); | |
163 | return TRUE; | |
164 | } | |
165 | } | |
166 | ||
167 | wxClientDC dc(win); | |
168 | dc.SetFont( *wxSMALL_FONT ); | |
169 | int height = dc.GetCharHeight() + 1; | |
170 | ||
171 | ||
172 | if (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 = x; | |
189 | win->m_diffY = y; | |
190 | win->m_oldX = 0; | |
191 | win->m_oldY = 0; | |
192 | ||
193 | win->m_isDragging = true; | |
194 | ||
195 | return TRUE; | |
196 | } | |
197 | } | |
198 | ||
199 | //----------------------------------------------------------------------------- | |
200 | // "button_release_event" of m_mainWidget | |
201 | //----------------------------------------------------------------------------- | |
202 | ||
203 | extern "C" { | |
204 | static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win ) | |
205 | { | |
206 | // don't need to install idle handler, its done from "event" signal | |
207 | ||
208 | if (!win->m_hasVMT) return FALSE; | |
209 | if (g_blockEventsOnDrag) return TRUE; | |
210 | if (g_blockEventsOnScroll) return TRUE; | |
211 | ||
212 | if (!win->m_isDragging) return TRUE; | |
213 | ||
214 | win->m_isDragging = false; | |
215 | ||
216 | int x = (int)gdk_event->x; | |
217 | int y = (int)gdk_event->y; | |
218 | ||
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_window_move( GTK_WINDOW(win->m_widget), x, y ); | |
228 | ||
229 | return TRUE; | |
230 | } | |
231 | } | |
232 | ||
233 | //----------------------------------------------------------------------------- | |
234 | // "leave_notify_event" of m_mainWidget | |
235 | //----------------------------------------------------------------------------- | |
236 | ||
237 | extern "C" { | |
238 | static gboolean | |
239 | gtk_window_leave_callback( GtkWidget *widget, GdkEventCrossing *gdk_event, wxMiniFrame *win ) | |
240 | { | |
241 | // don't need to install idle handler, its done from "event" signal | |
242 | ||
243 | if (!win->m_hasVMT) return FALSE; | |
244 | if (g_blockEventsOnDrag) return FALSE; | |
245 | ||
246 | gdk_window_set_cursor( widget->window, NULL ); | |
247 | ||
248 | return FALSE; | |
249 | } | |
250 | } | |
251 | ||
252 | //----------------------------------------------------------------------------- | |
253 | // "motion_notify_event" of m_mainWidget | |
254 | //----------------------------------------------------------------------------- | |
255 | ||
256 | extern "C" { | |
257 | static gint | |
258 | gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win ) | |
259 | { | |
260 | // don't need to install idle handler, its done from "event" signal | |
261 | ||
262 | if (!win->m_hasVMT) return FALSE; | |
263 | if (g_blockEventsOnDrag) return TRUE; | |
264 | if (g_blockEventsOnScroll) return TRUE; | |
265 | ||
266 | if (gdk_event->is_hint) | |
267 | { | |
268 | int x = 0; | |
269 | int y = 0; | |
270 | GdkModifierType state; | |
271 | gdk_window_get_pointer(gdk_event->window, &x, &y, &state); | |
272 | gdk_event->x = x; | |
273 | gdk_event->y = y; | |
274 | gdk_event->state = state; | |
275 | } | |
276 | ||
277 | int style = win->GetWindowStyle(); | |
278 | ||
279 | int x = (int)gdk_event->x; | |
280 | int y = (int)gdk_event->y; | |
281 | ||
282 | if (!win->m_isDragging) | |
283 | { | |
284 | if (style & wxRESIZE_BORDER) | |
285 | { | |
286 | if ((x > win->m_width-14) && (y > win->m_height-14)) | |
287 | gdk_window_set_cursor( widget->window, gdk_cursor_new( GDK_BOTTOM_RIGHT_CORNER ) ); | |
288 | else | |
289 | gdk_window_set_cursor( widget->window, NULL ); | |
290 | } | |
291 | return TRUE; | |
292 | } | |
293 | ||
294 | win->m_oldX = x - win->m_diffX; | |
295 | win->m_oldY = y - win->m_diffY; | |
296 | ||
297 | int org_x = 0; | |
298 | int org_y = 0; | |
299 | gdk_window_get_origin( widget->window, &org_x, &org_y ); | |
300 | x += org_x - win->m_diffX; | |
301 | y += org_y - win->m_diffY; | |
302 | win->m_x = x; | |
303 | win->m_y = y; | |
304 | gtk_window_move( GTK_WINDOW(win->m_widget), x, y ); | |
305 | ||
306 | ||
307 | return TRUE; | |
308 | } | |
309 | } | |
310 | ||
311 | //----------------------------------------------------------------------------- | |
312 | // wxMiniFrame | |
313 | //----------------------------------------------------------------------------- | |
314 | ||
315 | static unsigned char close_bits[]={ | |
316 | 0xff, 0xff, 0xff, 0xff, 0x07, 0xf0, 0xfb, 0xef, 0xdb, 0xed, 0x8b, 0xe8, | |
317 | 0x1b, 0xec, 0x3b, 0xee, 0x1b, 0xec, 0x8b, 0xe8, 0xdb, 0xed, 0xfb, 0xef, | |
318 | 0x07, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; | |
319 | ||
320 | ||
321 | IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame) | |
322 | ||
323 | bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title, | |
324 | const wxPoint &pos, const wxSize &size, | |
325 | long style, const wxString &name ) | |
326 | { | |
327 | style = style | wxCAPTION; | |
328 | ||
329 | if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)) | |
330 | m_miniTitle = 16; | |
331 | ||
332 | if (style & wxRESIZE_BORDER) | |
333 | m_miniEdge = 4; | |
334 | else | |
335 | m_miniEdge = 3; | |
336 | m_isDragging = false; | |
337 | m_oldX = -1; | |
338 | m_oldY = -1; | |
339 | m_diffX = 0; | |
340 | m_diffY = 0; | |
341 | ||
342 | wxFrame::Create( parent, id, title, pos, size, style, name ); | |
343 | ||
344 | if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget))) | |
345 | { | |
346 | gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) ); | |
347 | } | |
348 | ||
349 | if ((style & wxCLOSE_BOX) && | |
350 | ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))) | |
351 | { | |
352 | wxImage img = wxBitmap((const char*)close_bits, 16, 16).ConvertToImage(); | |
353 | img.Replace(0,0,0,123,123,123); | |
354 | img.SetMaskColour(123,123,123); | |
355 | m_closeButton = wxBitmap( img ); | |
356 | } | |
357 | ||
358 | /* these are called when the borders are drawn */ | |
359 | g_signal_connect (m_mainWidget, "expose_event", | |
360 | G_CALLBACK (gtk_window_own_expose_callback), this ); | |
361 | ||
362 | /* these are required for dragging the mini frame around */ | |
363 | g_signal_connect (m_mainWidget, "button_press_event", | |
364 | G_CALLBACK (gtk_window_button_press_callback), this); | |
365 | g_signal_connect (m_mainWidget, "button_release_event", | |
366 | G_CALLBACK (gtk_window_button_release_callback), this); | |
367 | g_signal_connect (m_mainWidget, "motion_notify_event", | |
368 | G_CALLBACK (gtk_window_motion_notify_callback), this); | |
369 | g_signal_connect (m_mainWidget, "leave_notify_event", | |
370 | G_CALLBACK (gtk_window_leave_callback), this); | |
371 | return true; | |
372 | } | |
373 | ||
374 | void wxMiniFrame::SetTitle( const wxString &title ) | |
375 | { | |
376 | wxFrame::SetTitle( title ); | |
377 | ||
378 | if (GTK_PIZZA(m_mainWidget)->bin_window) | |
379 | gdk_window_invalidate_rect( GTK_PIZZA(m_mainWidget)->bin_window, NULL, true ); | |
380 | } | |
381 | ||
382 | #endif // wxUSE_MINIFRAME |