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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  11     #pragma implementation "minifram.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #include "wx/minifram.h"
  18
  19 #if wxUSE_MINIFRAME
  20
  21 #include "wx/dcscreen.h"
  22
  23 #include "gtk/gtk.h"
  24 #include "wx/gtk/win_gtk.h"
  25 #include "wx/gtk/private.h"
  26
  27 #include <gdk/gdk.h>
  28 #include <gdk/gdkprivate.h>
  29 #include <gdk/gdkx.h>
  30
  31 //-----------------------------------------------------------------------------
  32 // idle system
  33 //-----------------------------------------------------------------------------
  34
  35 extern void wxapp_install_idle_handler();
  36 extern bool g_isIdle;
  37
  38 //-----------------------------------------------------------------------------
  39 // data
  40 //-----------------------------------------------------------------------------
  41
  42 extern bool        g_blockEventsOnDrag;
  43 extern bool        g_blockEventsOnScroll;
  44 extern GtkWidget  *wxGetRootWindow();
  45
  46 //-----------------------------------------------------------------------------
  47 // local functions
  48 //-----------------------------------------------------------------------------
  49
  50 /* draw XOR rectangle when moving mine frame around */
  51
  52 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  53 {
  54     int org_x = 0;
  55     int org_y = 0;
  56     gdk_window_get_origin( widget->window, &org_x, &org_y );
  57     x += org_x;
  58     y += org_y;
  59
  60     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  61     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  62     gdk_gc_set_function( gc, GDK_INVERT );
  63
  64     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  65     gdk_gc_unref( gc );
  66 }
  67
  68 //-----------------------------------------------------------------------------
  69 // "expose_event" of m_mainWidget
  70 //-----------------------------------------------------------------------------
  71
  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().IsEmpty() &&
  89         ((win->GetWindowStyle() & wxCAPTION) ||
  90          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
  91          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  92     {
  93         wxClientDC dc(win);
  94         dc.SetFont( *wxSMALL_FONT );
  95         int height = dc.GetCharHeight();
  96
  97         GdkGC *gc = gdk_gc_new( pizza->bin_window );
  98         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
  99         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 100                             3,
 101                             3,
 102                             win->m_width - 7,
 103                             height+1 );
 104         gdk_gc_unref( gc );
 105
 106         // Hack alert
 107         dc.m_window = pizza->bin_window;
 108         dc.SetTextForeground( *wxWHITE );
 109         dc.DrawText( win->GetTitle(), 6, 3 );
 110     }
 111 }
 112
 113 //-----------------------------------------------------------------------------
 114 // "draw" of m_mainWidget
 115 //-----------------------------------------------------------------------------
 116
 117 #ifndef __WXGTK20__
 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->m_title.IsEmpty() &&
 134         ((win->GetWindowStyle() & wxCAPTION) ||
 135          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
 136          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
 137     {
 138         wxClientDC dc(win);
 139         dc.SetFont( *wxSMALL_FONT );
 140         int height = dc.GetCharHeight();
 141
 142         GdkGC *gc = gdk_gc_new( pizza->bin_window );
 143         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 144         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 145                             3,
 146                             3,
 147                             win->m_width - 7,
 148                             height+1 );
 149         gdk_gc_unref( gc );
 150
 151         // Hack alert
 152         dc.m_window = pizza->bin_window;
 153         dc.SetTextForeground( *wxWHITE );
 154         dc.DrawText( win->GetTitle(), 6, 3 );
 155     }
 156 }
 157 #endif
 158
 159 //-----------------------------------------------------------------------------
 160 // "button_press_event" of m_mainWidget
 161 //-----------------------------------------------------------------------------
 162
 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                       (GdkWindow *) NULL,
 193                       (GdkCursor *) 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 // "button_release_event" of m_mainWidget
 209 //-----------------------------------------------------------------------------
 210
 211 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 212 {
 213     if (g_isIdle) wxapp_install_idle_handler();
 214
 215     if (!win->m_hasVMT) return FALSE;
 216     if (g_blockEventsOnDrag) return TRUE;
 217     if (g_blockEventsOnScroll) return TRUE;
 218
 219     if (!win->m_isDragging) return TRUE;
 220
 221     win->m_isDragging = FALSE;
 222
 223     int x = (int)gdk_event->x;
 224     int y = (int)gdk_event->y;
 225
 226     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 227     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 228     int org_x = 0;
 229     int org_y = 0;
 230     gdk_window_get_origin( widget->window, &org_x, &org_y );
 231     x += org_x - win->m_diffX;
 232     y += org_y - win->m_diffY;
 233     win->m_x = x;
 234     win->m_y = y;
 235     gtk_widget_set_uposition( win->m_widget, x, y );
 236
 237     return TRUE;
 238 }
 239
 240 //-----------------------------------------------------------------------------
 241 // "motion_notify_event" of m_mainWidget
 242 //-----------------------------------------------------------------------------
 243
 244 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 245 {
 246     if (g_isIdle) wxapp_install_idle_handler();
 247
 248     if (!win->m_hasVMT) return FALSE;
 249     if (g_blockEventsOnDrag) return TRUE;
 250     if (g_blockEventsOnScroll) return TRUE;
 251
 252     if (!win->m_isDragging) return TRUE;
 253
 254     if (gdk_event->is_hint)
 255     {
 256        int x = 0;
 257        int y = 0;
 258        GdkModifierType state;
 259        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 260        gdk_event->x = x;
 261        gdk_event->y = y;
 262        gdk_event->state = state;
 263     }
 264
 265     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 266     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 267     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 268     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 269
 270     return TRUE;
 271 }
 272
 273 //-----------------------------------------------------------------------------
 274 // "clicked" of X system button
 275 //-----------------------------------------------------------------------------
 276
 277 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 278 {
 279     if (g_isIdle) wxapp_install_idle_handler();
 280
 281     mf->Close();
 282 }
 283
 284 //-----------------------------------------------------------------------------
 285 // wxMiniFrame
 286 //-----------------------------------------------------------------------------
 287
 288 static const char *cross_xpm[] = {
 289 /* columns rows colors chars-per-pixel */
 290 "5 5 16 1",
 291 "  c Gray0",
 292 ". c #bf0000",
 293 "X c #00bf00",
 294 "o c #bfbf00",
 295 "O c #0000bf",
 296 "+ c #bf00bf",
 297 "@ c #00bfbf",
 298 "# c None",
 299 "$ c #808080",
 300 "% c Red",
 301 "& c Green",
 302 "* c Yellow",
 303 "= c Blue",
 304 "- c Magenta",
 305 "; c Cyan",
 306 ": c Gray100",
 307 /* pixels */
 308 " ### ",
 309 "# # #",
 310 "## ##",
 311 "# # #",
 312 " ### ",
 313 };
 314
 315 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 316
 317 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 318       const wxPoint &pos, const wxSize &size,
 319       long style, const wxString &name )
 320 {
 321     style = style | wxCAPTION;
 322
 323     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 324         m_miniTitle = 13;
 325
 326     m_miniEdge = 3;
 327     m_isDragging = FALSE;
 328     m_oldX = -1;
 329     m_oldY = -1;
 330     m_diffX = 0;
 331     m_diffY = 0;
 332
 333     wxFrame::Create( parent, id, title, pos, size, style, name );
 334
 335     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
 336     {
 337         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 338     }
 339
 340     if ((style & wxSYSTEM_MENU) &&
 341         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 342     {
 343         GdkBitmap *mask = (GdkBitmap*) NULL;
 344         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 345                             (
 346                                 wxGetRootWindow()->window,
 347                                 &mask,
 348                                 NULL,
 349                                 (char **)cross_xpm
 350                             );
 351
 352         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 353         gdk_bitmap_unref( mask );
 354         gdk_pixmap_unref( pixmap );
 355         gtk_widget_show( pw );
 356
 357         GtkWidget *close_button = gtk_button_new();
 358         gtk_container_add( GTK_CONTAINER(close_button), pw );
 359
 360         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 361                          close_button,
 362                          size.x-16, 4, 11, 11 );
 363
 364         gtk_widget_show( close_button );
 365
 366         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 367           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 368     }
 369
 370     /* these are called when the borders are drawn */
 371     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 372         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 373
 374 #ifndef __WXGTK20__
 375     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 376        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 377 #endif
 378
 379     /* these are required for dragging the mini frame around */
 380     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 381       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 382
 383     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 384       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 385
 386     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 387       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 388
 389     return TRUE;
 390 }
 391
 392 void wxMiniFrame::SetTitle( const wxString &title )
 393 {
 394     wxFrame::SetTitle( title );
 395
 396 #ifdef __WXGTK20__
 397     gdk_window_invalidate_rect( GTK_PIZZA(m_mainWidget)->bin_window, NULL, true );
 398 #else
 399     gtk_widget_draw( m_mainWidget, (GdkRectangle*) NULL );
 400 #endif
 401 }
 402
 403 #endif