src/gtk/minifram.cpp

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