src/gtk1/minifram.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/minifram.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Copyright:   (c) 1998 Robert Roebling
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 // For compilers that support precompilation, includes "wx.h".
  10 #include "wx/wxprec.h"
  11
  12 #if wxUSE_MINIFRAME
  13
  14 #include "wx/minifram.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/dcscreen.h"
  18 #endif
  19
  20 #include "gtk/gtk.h"
  21 #include "wx/dcclient.h"
  22 #include "wx/gtk1/win_gtk.h"
  23 #include "wx/gtk1/private.h"
  24 #include "wx/gtk1/dcclient.h"
  25
  26 #include <gdk/gdk.h>
  27 #include <gdk/gdkprivate.h>
  28 #include <gdk/gdkx.h>
  29
  30 //-----------------------------------------------------------------------------
  31 // idle system
  32 //-----------------------------------------------------------------------------
  33
  34 extern void wxapp_install_idle_handler();
  35 extern bool g_isIdle;
  36
  37 //-----------------------------------------------------------------------------
  38 // data
  39 //-----------------------------------------------------------------------------
  40
  41 extern bool        g_blockEventsOnDrag;
  42 extern bool        g_blockEventsOnScroll;
  43 extern GtkWidget  *wxGetRootWindow();
  44
  45 //-----------------------------------------------------------------------------
  46 // local functions
  47 //-----------------------------------------------------------------------------
  48
  49 /* draw XOR rectangle when moving mine frame around */
  50
  51 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  52 {
  53     int org_x = 0;
  54     int org_y = 0;
  55     gdk_window_get_origin( widget->window, &org_x, &org_y );
  56     x += org_x;
  57     y += org_y;
  58
  59     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  60     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  61     gdk_gc_set_function( gc, GDK_INVERT );
  62
  63     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  64     gdk_gc_unref( gc );
  65 }
  66
  67 //-----------------------------------------------------------------------------
  68 // "expose_event" of m_mainWidget
  69 //-----------------------------------------------------------------------------
  70
  71 extern "C" {
  72 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  73 {
  74     if (g_isIdle) wxapp_install_idle_handler();
  75
  76     if (!win->m_hasVMT) return;
  77     if (gdk_event->count > 0) return;
  78
  79     GtkPizza *pizza = GTK_PIZZA(widget);
  80
  81     gtk_draw_shadow( widget->style,
  82                      pizza->bin_window,
  83                      GTK_STATE_NORMAL,
  84                      GTK_SHADOW_OUT,
  85                      0, 0,
  86                      win->m_width, win->m_height );
  87
  88     if (!win->GetTitle().empty() &&
  89         ((win->GetWindowStyle() & wxCAPTION) ||
  90          (win->GetWindowStyle() & wxTINY_CAPTION)))
  91     {
  92         wxClientDC dc(win);
  93         dc.SetFont( *wxSMALL_FONT );
  94         int height = dc.GetCharHeight();
  95
  96         GdkGC *gc = gdk_gc_new( pizza->bin_window );
  97         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  98         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
  99                             3,
 100                             3,
 101                             win->m_width - 7,
 102                             height+1 );
 103         gdk_gc_unref( gc );
 104
 105         // Hack alert
 106         static_cast<wxClientDCImpl *>(dc.GetImpl())->m_window = pizza->bin_window;
 107         dc.SetTextForeground( *wxWHITE );
 108         dc.DrawText( win->GetTitle(), 6, 3 );
 109     }
 110 }
 111 }
 112
 113 //-----------------------------------------------------------------------------
 114 // "draw" of m_mainWidget
 115 //-----------------------------------------------------------------------------
 116
 117 extern "C" {
 118 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 119 {
 120     if (g_isIdle) wxapp_install_idle_handler();
 121
 122     if (!win->m_hasVMT) return;
 123
 124     GtkPizza *pizza = GTK_PIZZA(widget);
 125
 126     gtk_draw_shadow( widget->style,
 127                      pizza->bin_window,
 128                      GTK_STATE_NORMAL,
 129                      GTK_SHADOW_OUT,
 130                      0, 0,
 131                      win->m_width, win->m_height );
 132
 133     if (!win->GetTitle().empty() &&
 134         ((win->GetWindowStyle() & wxCAPTION) ||
 135          (win->GetWindowStyle() & wxTINY_CAPTION)))
 136     {
 137         wxClientDC dc(win);
 138         dc.SetFont( *wxSMALL_FONT );
 139         int height = dc.GetCharHeight();
 140
 141         GdkGC *gc = gdk_gc_new( pizza->bin_window );
 142         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 143         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 144                             3,
 145                             3,
 146                             win->m_width - 7,
 147                             height+1 );
 148         gdk_gc_unref( gc );
 149
 150         // Hack alert
 151         static_cast<wxClientDCImpl *>(dc.GetImpl())->m_window = pizza->bin_window;
 152         dc.SetTextForeground( *wxWHITE );
 153         dc.DrawText( win->GetTitle(), 6, 3 );
 154     }
 155 }
 156 }
 157
 158 //-----------------------------------------------------------------------------
 159 // "button_press_event" of m_mainWidget
 160 //-----------------------------------------------------------------------------
 161
 162 extern "C" {
 163 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 164 {
 165     if (g_isIdle) wxapp_install_idle_handler();
 166
 167     if (!win->m_hasVMT) return FALSE;
 168     if (g_blockEventsOnDrag) return TRUE;
 169     if (g_blockEventsOnScroll) return TRUE;
 170
 171     if (win->m_isDragging) return TRUE;
 172
 173     GtkPizza *pizza = GTK_PIZZA(widget);
 174     if (gdk_event->window != pizza->bin_window) return TRUE;
 175
 176     wxClientDC dc(win);
 177     dc.SetFont( *wxSMALL_FONT );
 178     int height = dc.GetCharHeight() + 1;
 179
 180     if (gdk_event->y > height) return TRUE;
 181
 182     gdk_window_raise( win->m_widget->window );
 183
 184     gdk_pointer_grab( widget->window, FALSE,
 185                       (GdkEventMask)
 186                          (GDK_BUTTON_PRESS_MASK |
 187                           GDK_BUTTON_RELEASE_MASK |
 188                           GDK_POINTER_MOTION_MASK        |
 189                           GDK_POINTER_MOTION_HINT_MASK  |
 190                           GDK_BUTTON_MOTION_MASK        |
 191                           GDK_BUTTON1_MOTION_MASK),
 192                       NULL,
 193                       NULL,
 194                       (unsigned int) GDK_CURRENT_TIME );
 195
 196     win->m_diffX = (int)gdk_event->x;
 197     win->m_diffY = (int)gdk_event->y;
 198     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 199     win->m_oldX = 0;
 200     win->m_oldY = 0;
 201
 202     win->m_isDragging = true;
 203
 204     return TRUE;
 205 }
 206 }
 207
 208 //-----------------------------------------------------------------------------
 209 // "button_release_event" of m_mainWidget
 210 //-----------------------------------------------------------------------------
 211
 212 extern "C" {
 213 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 214 {
 215     if (g_isIdle) wxapp_install_idle_handler();
 216
 217     if (!win->m_hasVMT) return FALSE;
 218     if (g_blockEventsOnDrag) return TRUE;
 219     if (g_blockEventsOnScroll) return TRUE;
 220
 221     if (!win->m_isDragging) return TRUE;
 222
 223     win->m_isDragging = false;
 224
 225     int x = (int)gdk_event->x;
 226     int y = (int)gdk_event->y;
 227
 228     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 229     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 230     int org_x = 0;
 231     int org_y = 0;
 232     gdk_window_get_origin( widget->window, &org_x, &org_y );
 233     x += org_x - win->m_diffX;
 234     y += org_y - win->m_diffY;
 235     win->m_x = x;
 236     win->m_y = y;
 237     gtk_widget_set_uposition( win->m_widget, x, y );
 238
 239     return TRUE;
 240 }
 241 }
 242
 243 //-----------------------------------------------------------------------------
 244 // "motion_notify_event" of m_mainWidget
 245 //-----------------------------------------------------------------------------
 246
 247 extern "C" {
 248 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 249 {
 250     if (g_isIdle) wxapp_install_idle_handler();
 251
 252     if (!win->m_hasVMT) return FALSE;
 253     if (g_blockEventsOnDrag) return TRUE;
 254     if (g_blockEventsOnScroll) return TRUE;
 255
 256     if (!win->m_isDragging) return TRUE;
 257
 258     if (gdk_event->is_hint)
 259     {
 260        int x = 0;
 261        int y = 0;
 262        GdkModifierType state;
 263        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 264        gdk_event->x = x;
 265        gdk_event->y = y;
 266        gdk_event->state = state;
 267     }
 268
 269     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 270     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 271     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 272     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 273
 274     return TRUE;
 275 }
 276 }
 277
 278 //-----------------------------------------------------------------------------
 279 // "clicked" of X system button
 280 //-----------------------------------------------------------------------------
 281
 282 extern "C" {
 283 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 284 {
 285     if (g_isIdle) wxapp_install_idle_handler();
 286
 287     mf->Close();
 288 }
 289 }
 290
 291 //-----------------------------------------------------------------------------
 292 // wxMiniFrame
 293 //-----------------------------------------------------------------------------
 294
 295 static const char *cross_xpm[] = {
 296 /* columns rows colors chars-per-pixel */
 297 "5 5 16 1",
 298 "  c Gray0",
 299 ". c #bf0000",
 300 "X c #00bf00",
 301 "o c #bfbf00",
 302 "O c #0000bf",
 303 "+ c #bf00bf",
 304 "@ c #00bfbf",
 305 "# c None",
 306 "$ c #808080",
 307 "% c Red",
 308 "& c Green",
 309 "* c Yellow",
 310 "= c Blue",
 311 "- c Magenta",
 312 "; c Cyan",
 313 ": c Gray100",
 314 /* pixels */
 315 " ### ",
 316 "# # #",
 317 "## ##",
 318 "# # #",
 319 " ### ",
 320 };
 321
 322 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 323
 324 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 325       const wxPoint &pos, const wxSize &size,
 326       long style, const wxString &name )
 327 {
 328     style = style | wxCAPTION;
 329
 330     if ((style & wxCAPTION) || (style & wxTINY_CAPTION))
 331         m_miniTitle = 13;
 332
 333     m_miniEdge = 3;
 334     m_isDragging = false;
 335     m_oldX = -1;
 336     m_oldY = -1;
 337     m_diffX = 0;
 338     m_diffY = 0;
 339
 340     wxFrame::Create( parent, id, title, pos, size, style, name );
 341
 342     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
 343     {
 344         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 345     }
 346
 347     if ((style & wxSYSTEM_MENU) &&
 348         ((style & wxCAPTION) || (style & wxTINY_CAPTION)))
 349     {
 350         GdkBitmap *mask = NULL;
 351         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 352                             (
 353                                 wxGetRootWindow()->window,
 354                                 &mask,
 355                                 NULL,
 356                                 (char **)cross_xpm
 357                             );
 358
 359         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 360         gdk_bitmap_unref( mask );
 361         gdk_pixmap_unref( pixmap );
 362         gtk_widget_show( pw );
 363
 364         GtkWidget *close_button = gtk_button_new();
 365         gtk_container_add( GTK_CONTAINER(close_button), pw );
 366
 367         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 368                          close_button,
 369                          size.x-16, 4, 11, 11 );
 370
 371         gtk_widget_show( close_button );
 372
 373         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 374           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 375     }
 376
 377     /* these are called when the borders are drawn */
 378     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 379         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 380
 381     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 382        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 383
 384     /* these are required for dragging the mini frame around */
 385     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 386       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 387
 388     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 389       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 390
 391     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 392       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 393
 394     return true;
 395 }
 396
 397 void wxMiniFrame::SetTitle( const wxString &title )
 398 {
 399     wxFrame::SetTitle( title );
 400
 401     gtk_widget_draw( m_mainWidget, NULL );
 402 }
 403
 404 #endif // wxUSE_MINIFRAME