src/gtk1/minifram.cpp

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