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