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_HORIZ) ||
  92          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
  93     {
  94         wxClientDC dc(win);
  95         dc.SetFont( *wxSMALL_FONT );
  96         int height = dc.GetCharHeight();
  97
  98         GdkGC *gc = gdk_gc_new( pizza->bin_window );
  99         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 100         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 101                             3,
 102                             3,
 103                             win->m_width - 7,
 104                             height+1 );
 105         gdk_gc_unref( gc );
 106
 107         // Hack alert
 108         static_cast<wxClientDCImpl *>(dc.GetImpl())->m_window = pizza->bin_window;
 109         dc.SetTextForeground( *wxWHITE );
 110         dc.DrawText( win->GetTitle(), 6, 3 );
 111     }
 112 }
 113 }
 114
 115 //-----------------------------------------------------------------------------
 116 // "draw" of m_mainWidget
 117 //-----------------------------------------------------------------------------
 118
 119 extern "C" {
 120 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
 121 {
 122     if (g_isIdle) wxapp_install_idle_handler();
 123
 124     if (!win->m_hasVMT) return;
 125
 126     GtkPizza *pizza = GTK_PIZZA(widget);
 127
 128     gtk_draw_shadow( widget->style,
 129                      pizza->bin_window,
 130                      GTK_STATE_NORMAL,
 131                      GTK_SHADOW_OUT,
 132                      0, 0,
 133                      win->m_width, win->m_height );
 134
 135     if (!win->GetTitle().empty() &&
 136         ((win->GetWindowStyle() & wxCAPTION) ||
 137          (win->GetWindowStyle() & wxTINY_CAPTION_HORIZ) ||
 138          (win->GetWindowStyle() & wxTINY_CAPTION_VERT)))
 139     {
 140         wxClientDC dc(win);
 141         dc.SetFont( *wxSMALL_FONT );
 142         int height = dc.GetCharHeight();
 143
 144         GdkGC *gc = gdk_gc_new( pizza->bin_window );
 145         gdk_gc_set_foreground( gc, &widget->style->bg[GTK_STATE_SELECTED] );
 146         gdk_draw_rectangle( pizza->bin_window, gc, TRUE,
 147                             3,
 148                             3,
 149                             win->m_width - 7,
 150                             height+1 );
 151         gdk_gc_unref( gc );
 152
 153         // Hack alert
 154         static_cast<wxClientDCImpl *>(dc.GetImpl())->m_window = pizza->bin_window;
 155         dc.SetTextForeground( *wxWHITE );
 156         dc.DrawText( win->GetTitle(), 6, 3 );
 157     }
 158 }
 159 }
 160
 161 //-----------------------------------------------------------------------------
 162 // "button_press_event" of m_mainWidget
 163 //-----------------------------------------------------------------------------
 164
 165 extern "C" {
 166 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 167 {
 168     if (g_isIdle) wxapp_install_idle_handler();
 169
 170     if (!win->m_hasVMT) return FALSE;
 171     if (g_blockEventsOnDrag) return TRUE;
 172     if (g_blockEventsOnScroll) return TRUE;
 173
 174     if (win->m_isDragging) return TRUE;
 175
 176     GtkPizza *pizza = GTK_PIZZA(widget);
 177     if (gdk_event->window != pizza->bin_window) return TRUE;
 178
 179     wxClientDC dc(win);
 180     dc.SetFont( *wxSMALL_FONT );
 181     int height = dc.GetCharHeight() + 1;
 182
 183     if (gdk_event->y > height) return TRUE;
 184
 185     gdk_window_raise( win->m_widget->window );
 186
 187     gdk_pointer_grab( widget->window, FALSE,
 188                       (GdkEventMask)
 189                          (GDK_BUTTON_PRESS_MASK |
 190                           GDK_BUTTON_RELEASE_MASK |
 191                           GDK_POINTER_MOTION_MASK        |
 192                           GDK_POINTER_MOTION_HINT_MASK  |
 193                           GDK_BUTTON_MOTION_MASK        |
 194                           GDK_BUTTON1_MOTION_MASK),
 195                       NULL,
 196                       NULL,
 197                       (unsigned int) GDK_CURRENT_TIME );
 198
 199     win->m_diffX = (int)gdk_event->x;
 200     win->m_diffY = (int)gdk_event->y;
 201     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 202     win->m_oldX = 0;
 203     win->m_oldY = 0;
 204
 205     win->m_isDragging = true;
 206
 207     return TRUE;
 208 }
 209 }
 210
 211 //-----------------------------------------------------------------------------
 212 // "button_release_event" of m_mainWidget
 213 //-----------------------------------------------------------------------------
 214
 215 extern "C" {
 216 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 217 {
 218     if (g_isIdle) wxapp_install_idle_handler();
 219
 220     if (!win->m_hasVMT) return FALSE;
 221     if (g_blockEventsOnDrag) return TRUE;
 222     if (g_blockEventsOnScroll) return TRUE;
 223
 224     if (!win->m_isDragging) return TRUE;
 225
 226     win->m_isDragging = false;
 227
 228     int x = (int)gdk_event->x;
 229     int y = (int)gdk_event->y;
 230
 231     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 232     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
 233     int org_x = 0;
 234     int org_y = 0;
 235     gdk_window_get_origin( widget->window, &org_x, &org_y );
 236     x += org_x - win->m_diffX;
 237     y += org_y - win->m_diffY;
 238     win->m_x = x;
 239     win->m_y = y;
 240     gtk_widget_set_uposition( win->m_widget, x, y );
 241
 242     return TRUE;
 243 }
 244 }
 245
 246 //-----------------------------------------------------------------------------
 247 // "motion_notify_event" of m_mainWidget
 248 //-----------------------------------------------------------------------------
 249
 250 extern "C" {
 251 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 252 {
 253     if (g_isIdle) wxapp_install_idle_handler();
 254
 255     if (!win->m_hasVMT) return FALSE;
 256     if (g_blockEventsOnDrag) return TRUE;
 257     if (g_blockEventsOnScroll) return TRUE;
 258
 259     if (!win->m_isDragging) return TRUE;
 260
 261     if (gdk_event->is_hint)
 262     {
 263        int x = 0;
 264        int y = 0;
 265        GdkModifierType state;
 266        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 267        gdk_event->x = x;
 268        gdk_event->y = y;
 269        gdk_event->state = state;
 270     }
 271
 272     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 273     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 274     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 275     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 276
 277     return TRUE;
 278 }
 279 }
 280
 281 //-----------------------------------------------------------------------------
 282 // "clicked" of X system button
 283 //-----------------------------------------------------------------------------
 284
 285 extern "C" {
 286 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 287 {
 288     if (g_isIdle) wxapp_install_idle_handler();
 289
 290     mf->Close();
 291 }
 292 }
 293
 294 //-----------------------------------------------------------------------------
 295 // wxMiniFrame
 296 //-----------------------------------------------------------------------------
 297
 298 static const char *cross_xpm[] = {
 299 /* columns rows colors chars-per-pixel */
 300 "5 5 16 1",
 301 "  c Gray0",
 302 ". c #bf0000",
 303 "X c #00bf00",
 304 "o c #bfbf00",
 305 "O c #0000bf",
 306 "+ c #bf00bf",
 307 "@ c #00bfbf",
 308 "# c None",
 309 "$ c #808080",
 310 "% c Red",
 311 "& c Green",
 312 "* c Yellow",
 313 "= c Blue",
 314 "- c Magenta",
 315 "; c Cyan",
 316 ": c Gray100",
 317 /* pixels */
 318 " ### ",
 319 "# # #",
 320 "## ##",
 321 "# # #",
 322 " ### ",
 323 };
 324
 325 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 326
 327 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 328       const wxPoint &pos, const wxSize &size,
 329       long style, const wxString &name )
 330 {
 331     style = style | wxCAPTION;
 332
 333     if ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT))
 334         m_miniTitle = 13;
 335
 336     m_miniEdge = 3;
 337     m_isDragging = false;
 338     m_oldX = -1;
 339     m_oldY = -1;
 340     m_diffX = 0;
 341     m_diffY = 0;
 342
 343     wxFrame::Create( parent, id, title, pos, size, style, name );
 344
 345     if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
 346     {
 347         gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
 348     }
 349
 350     if ((style & wxSYSTEM_MENU) &&
 351         ((style & wxCAPTION) || (style & wxTINY_CAPTION_HORIZ) || (style & wxTINY_CAPTION_VERT)))
 352     {
 353         GdkBitmap *mask = NULL;
 354         GdkPixmap *pixmap = gdk_pixmap_create_from_xpm_d
 355                             (
 356                                 wxGetRootWindow()->window,
 357                                 &mask,
 358                                 NULL,
 359                                 (char **)cross_xpm
 360                             );
 361
 362         GtkWidget *pw = gtk_pixmap_new( pixmap, mask );
 363         gdk_bitmap_unref( mask );
 364         gdk_pixmap_unref( pixmap );
 365         gtk_widget_show( pw );
 366
 367         GtkWidget *close_button = gtk_button_new();
 368         gtk_container_add( GTK_CONTAINER(close_button), pw );
 369
 370         gtk_pizza_put( GTK_PIZZA(m_mainWidget),
 371                          close_button,
 372                          size.x-16, 4, 11, 11 );
 373
 374         gtk_widget_show( close_button );
 375
 376         gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 377           GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 378     }
 379
 380     /* these are called when the borders are drawn */
 381     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 382         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 383
 384     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 385        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 386
 387     /* these are required for dragging the mini frame around */
 388     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 389       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 390
 391     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 392       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 393
 394     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 395       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 396
 397     return true;
 398 }
 399
 400 void wxMiniFrame::SetTitle( const wxString &title )
 401 {
 402     wxFrame::SetTitle( title );
 403
 404     gtk_widget_draw( m_mainWidget, NULL );
 405 }
 406
 407 #endif // wxUSE_MINIFRAME