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 #if wxUSE_MINIFRAME
  14
  15 #include "wx/minifram.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/dcscreen.h"
  19 #endif
  20
  21 #include "gtk/gtk.h"
  22 #include "wx/dcclient.h"
  23 #include "wx/gtk1/win_gtk.h"
  24 #include "wx/gtk1/private.h"
  25 #include "wx/gtk1/dcclient.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 extern "C" {
  73 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  74 {
  75     if (g_isIdle) wxapp_install_idle_handler();
  76
  77     if (!win->m_hasVMT) return;
  78     if (gdk_event->count > 0) return;
  79
  80     GtkPizza *pizza = GTK_PIZZA(widget);
  81
  82     gtk_draw_shadow( widget->style,
  83                      pizza->bin_window,
  84                      GTK_STATE_NORMAL,
  85                      GTK_SHADOW_OUT,
  86                      0, 0,
  87                      win->m_width, win->m_height );
  88
  89     if (!win->GetTitle().empty() &&
  90         ((win->GetWindowStyle() & wxCAPTION) ||
  91          (win->GetWindowStyle() & wxTINY_CAPTION)))
  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         static_cast<wxClientDCImpl *>(dc.GetImpl())->m_window = pizza->bin_window;
 108         dc.SetTextForeground( *wxWHITE );
 109         dc.DrawText( win->GetTitle(), 6, 3 );
 110     }
 111 }
 112 }
 113
 114 //-----------------------------------------------------------------------------
 115 // "draw" of m_mainWidget
 116 //-----------------------------------------------------------------------------
 117
 118 extern "C" {
 119 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 120 {
 121     if (g_isIdle) wxapp_install_idle_handler();
 122
 123     if (!win->m_hasVMT) return;
 124
 125     GtkPizza *pizza = GTK_PIZZA(widget);
 126
 127     gtk_draw_shadow( widget->style,
 128                      pizza->bin_window,
 129                      GTK_STATE_NORMAL,
 130                      GTK_SHADOW_OUT,
 131                      0, 0,
 132                      win->m_width, win->m_height );
 133
 134     if (!win->GetTitle().empty() &&
 135         ((win->GetWindowStyle() & wxCAPTION) ||
 136          (win->GetWindowStyle() & wxTINY_CAPTION)))
 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         static_cast<wxClientDCImpl *>(dc.GetImpl())->m_window = pizza->bin_window;
 153         dc.SetTextForeground( *wxWHITE );
 154         dc.DrawText( win->GetTitle(), 6, 3 );
 155     }
 156 }
 157 }
 158
 159 //-----------------------------------------------------------------------------
 160 // "button_press_event" of m_mainWidget
 161 //-----------------------------------------------------------------------------
 162
 163 extern "C" {
 164 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 165 {
 166     if (g_isIdle) wxapp_install_idle_handler();
 167
 168     if (!win->m_hasVMT) return FALSE;
 169     if (g_blockEventsOnDrag) return TRUE;
 170     if (g_blockEventsOnScroll) return TRUE;
 171
 172     if (win->m_isDragging) return TRUE;
 173
 174     GtkPizza *pizza = GTK_PIZZA(widget);
 175     if (gdk_event->window != pizza->bin_window) return TRUE;
 176
 177     wxClientDC dc(win);
 178     dc.SetFont( *wxSMALL_FONT );
 179     int height = dc.GetCharHeight() + 1;
 180
 181     if (gdk_event->y > height) return TRUE;
 182
 183     gdk_window_raise( win->m_widget->window );
 184
 185     gdk_pointer_grab( widget->window, FALSE,
 186                       (GdkEventMask)
 187                          (GDK_BUTTON_PRESS_MASK |
 188                           GDK_BUTTON_RELEASE_MASK |
 189                           GDK_POINTER_MOTION_MASK        |
 190                           GDK_POINTER_MOTION_HINT_MASK  |
 191                           GDK_BUTTON_MOTION_MASK        |
 192                           GDK_BUTTON1_MOTION_MASK),
 193                       NULL,
 194                       NULL,
 195                       (unsigned int) GDK_CURRENT_TIME );
 196
 197     win->m_diffX = (int)gdk_event->x;
 198     win->m_diffY = (int)gdk_event->y;
 199     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 200     win->m_oldX = 0;
 201     win->m_oldY = 0;
 202
 203     win->m_isDragging = true;
 204
 205     return TRUE;
 206 }
 207 }
 208
 209 //-----------------------------------------------------------------------------
 210 // "button_release_event" of m_mainWidget
 211 //-----------------------------------------------------------------------------
 212
 213 extern "C" {
 214 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 215 {
 216     if (g_isIdle) wxapp_install_idle_handler();
 217
 218     if (!win->m_hasVMT) return FALSE;
 219     if (g_blockEventsOnDrag) return TRUE;
 220     if (g_blockEventsOnScroll) return TRUE;
 221
 222     if (!win->m_isDragging) return TRUE;
 223
 224     win->m_isDragging = false;
 225
 226     int x = (int)gdk_event->x;
 227     int y = (int)gdk_event->y;
 228
 229     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 230     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 231     int org_x = 0;
 232     int org_y = 0;
 233     gdk_window_get_origin( widget->window, &org_x, &org_y );
 234     x += org_x - win->m_diffX;
 235     y += org_y - win->m_diffY;
 236     win->m_x = x;
 237     win->m_y = y;
 238     gtk_widget_set_uposition( win->m_widget, x, y );
 239
 240     return TRUE;
 241 }
 242 }
 243
 244 //-----------------------------------------------------------------------------
 245 // "motion_notify_event" of m_mainWidget
 246 //-----------------------------------------------------------------------------
 247
 248 extern "C" {
 249 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 250 {
 251     if (g_isIdle) wxapp_install_idle_handler();
 252
 253     if (!win->m_hasVMT) return FALSE;
 254     if (g_blockEventsOnDrag) return TRUE;
 255     if (g_blockEventsOnScroll) return TRUE;
 256
 257     if (!win->m_isDragging) return TRUE;
 258
 259     if (gdk_event->is_hint)
 260     {
 261        int x = 0;
 262        int y = 0;
 263        GdkModifierType state;
 264        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 265        gdk_event->x = x;
 266        gdk_event->y = y;
 267        gdk_event->state = state;
 268     }
 269
 270     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 271     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 272     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 273     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 274
 275     return TRUE;
 276 }
 277 }
 278
 279 //-----------------------------------------------------------------------------
 280 // "clicked" of X system button
 281 //-----------------------------------------------------------------------------
 282
 283 extern "C" {
 284 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 285 {
 286     if (g_isIdle) wxapp_install_idle_handler();
 287
 288     mf->Close();
 289 }
 290 }
 291
 292 //-----------------------------------------------------------------------------
 293 // wxMiniFrame
 294 //-----------------------------------------------------------------------------
 295
 296 static const char *cross_xpm[] = {
 297 /* columns rows colors chars-per-pixel */
 298 "5 5 16 1",
 299 "  c Gray0",
 300 ". c #bf0000",
 301 "X c #00bf00",
 302 "o c #bfbf00",
 303 "O c #0000bf",
 304 "+ c #bf00bf",
 305 "@ c #00bfbf",
 306 "# c None",
 307 "$ c #808080",
 308 "% c Red",
 309 "& c Green",
 310 "* c Yellow",
 311 "= c Blue",
 312 "- c Magenta",
 313 "; c Cyan",
 314 ": c Gray100",
 315 /* pixels */
 316 " ### ",
 317 "# # #",
 318 "## ##",
 319 "# # #",
 320 " ### ",
 321 };
 322
 323 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 324
 325 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 326       const wxPoint &pos, const wxSize &size,
 327       long style, const wxString &name )
 328 {
 329     style = style | wxCAPTION;
 330
 331     if ((style & wxCAPTION) || (style & wxTINY_CAPTION))
 332         m_miniTitle = 13;
 333
 334     m_miniEdge = 3;
 335     m_isDragging = false;
 336     m_oldX = -1;
 337     m_oldY = -1;
 338     m_diffX = 0;
 339     m_diffY = 0;
 340
 341     wxFrame::Create( parent, id, title, pos, size, style, name );
 342
 343     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
 344     {
 345         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 346     }
 347
 348     if ((style & wxSYSTEM_MENU) &&
 349         ((style & wxCAPTION) || (style & wxTINY_CAPTION)))
 350     {
 351         GdkBitmap *mask = NULL;
 352         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 353                             (
 354                                 wxGetRootWindow()->window,
 355                                 &mask,
 356                                 NULL,
 357                                 (char **)cross_xpm
 358                             );
 359
 360         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 361         gdk_bitmap_unref( mask );
 362         gdk_pixmap_unref( pixmap );
 363         gtk_widget_show( pw );
 364
 365         GtkWidget *close_button = gtk_button_new();
 366         gtk_container_add( GTK_CONTAINER(close_button), pw );
 367
 368         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 369                          close_button,
 370                          size.x-16, 4, 11, 11 );
 371
 372         gtk_widget_show( close_button );
 373
 374         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 375           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 376     }
 377
 378     /* these are called when the borders are drawn */
 379     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 380         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 381
 382     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 383        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 384
 385     /* these are required for dragging the mini frame around */
 386     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 387       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 388
 389     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 390       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 391
 392     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 393       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 394
 395     return true;
 396 }
 397
 398 void wxMiniFrame::SetTitle( const wxString &title )
 399 {
 400     wxFrame::SetTitle( title );
 401
 402     gtk_widget_draw( m_mainWidget, NULL );
 403 }
 404
 405 #endif // wxUSE_MINIFRAME