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 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