src/gtk1/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 #include "wx/dcscreen.h"
  16
  17 #include "gtk/gtk.h"
  18 #include "wx/gtk/win_gtk.h"
  19
  20 #include "gdk/gdk.h"
  21 #include "gdk/gdkprivate.h"
  22 #include "gdk/gdkx.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // idle system
  26 //-----------------------------------------------------------------------------
  27
  28 extern void wxapp_install_idle_handler();
  29 extern bool g_isIdle;
  30
  31 //-----------------------------------------------------------------------------
  32 // data
  33 //-----------------------------------------------------------------------------
  34
  35 extern bool   g_blockEventsOnDrag;
  36 extern bool   g_blockEventsOnScroll;
  37
  38 //-----------------------------------------------------------------------------
  39 // local functions
  40 //-----------------------------------------------------------------------------
  41
  42 /* draw XOR rectangle when moving mine frame around */
  43
  44 static void DrawFrame( GtkWidget *widget, int x, int y, int w, int h )
  45 {
  46     int org_x = 0;
  47     int org_y = 0;
  48     gdk_window_get_origin( widget->window, &org_x, &org_y );
  49     x += org_x;
  50     y += org_y;
  51
  52     GdkGC *gc = gdk_gc_new( GDK_ROOT_PARENT() );
  53     gdk_gc_set_subwindow( gc, GDK_INCLUDE_INFERIORS );
  54     gdk_gc_set_function( gc, GDK_INVERT );
  55
  56     gdk_draw_rectangle( GDK_ROOT_PARENT(), gc, FALSE, x, y, w, h );
  57     gdk_gc_unref( gc );
  58 }
  59
  60 //-----------------------------------------------------------------------------
  61 // "expose_event" of m_mainWidget
  62 //-----------------------------------------------------------------------------
  63
  64 static void gtk_window_own_expose_callback( GtkWidget *widget, GdkEventExpose *gdk_event, wxFrame *win )
  65 {
  66     if (g_isIdle) wxapp_install_idle_handler();
  67
  68     if (!win->HasVMT()) return;
  69     if (gdk_event->count > 0) return;
  70
  71     gtk_draw_shadow( widget->style,
  72                      widget->window,
  73                      GTK_STATE_NORMAL,
  74                      GTK_SHADOW_OUT,
  75                      0, 0,
  76                      win->m_width, win->m_height );
  77 }
  78
  79 //-----------------------------------------------------------------------------
  80 // "draw" of m_mainWidget
  81 //-----------------------------------------------------------------------------
  82
  83 static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNUSED(rect), wxFrame *win )
  84 {
  85     if (g_isIdle) wxapp_install_idle_handler();
  86
  87     if (!win->HasVMT()) return;
  88
  89     gtk_draw_shadow( widget->style,
  90                      widget->window,
  91                      GTK_STATE_NORMAL,
  92                      GTK_SHADOW_OUT,
  93                      0, 0,
  94                      win->m_width, win->m_height );
  95 }
  96
  97 //-----------------------------------------------------------------------------
  98 // "button_press_event" of m_mainWidget
  99 //-----------------------------------------------------------------------------
 100
 101 static gint gtk_window_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 102 {
 103     if (g_isIdle) wxapp_install_idle_handler();
 104
 105     if (!win->HasVMT()) return FALSE;
 106     if (g_blockEventsOnDrag) return TRUE;
 107     if (g_blockEventsOnScroll) return TRUE;
 108
 109     if (win->m_isDragging) return TRUE;
 110
 111     gdk_pointer_grab( widget->window, FALSE,
 112                       (GdkEventMask)
 113                          (GDK_BUTTON_PRESS_MASK |
 114                           GDK_BUTTON_RELEASE_MASK |
 115                           GDK_POINTER_MOTION_MASK       |
 116                           GDK_POINTER_MOTION_HINT_MASK  |
 117                           GDK_BUTTON_MOTION_MASK        |
 118                           GDK_BUTTON1_MOTION_MASK),
 119                       (GdkWindow *) NULL,
 120                       (GdkCursor *) NULL,
 121                       GDK_CURRENT_TIME );
 122
 123     win->m_diffX = (int)gdk_event->x;
 124     win->m_diffY = (int)gdk_event->y;
 125     DrawFrame( widget, 0, 0, win->m_width, win->m_height );
 126     win->m_oldX = 0;
 127     win->m_oldY = 0;
 128
 129     win->m_isDragging = TRUE;
 130
 131     return TRUE;
 132 }
 133
 134 //-----------------------------------------------------------------------------
 135 // "button_release_event" of m_mainWidget
 136 //-----------------------------------------------------------------------------
 137
 138 static gint gtk_window_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxMiniFrame *win )
 139 {
 140     if (g_isIdle) wxapp_install_idle_handler();
 141
 142     if (!win->HasVMT()) return FALSE;
 143     if (g_blockEventsOnDrag) return TRUE;
 144     if (g_blockEventsOnScroll) return TRUE;
 145
 146     if (!win->m_isDragging) return TRUE;
 147
 148     win->m_isDragging = FALSE;
 149
 150     int x = (int)gdk_event->x;
 151     int y = (int)gdk_event->y;
 152
 153     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 154     gdk_pointer_ungrab ( GDK_CURRENT_TIME );
 155     int org_x = 0;
 156     int org_y = 0;
 157     gdk_window_get_origin( widget->window, &org_x, &org_y );
 158     x += org_x - win->m_diffX;
 159     y += org_y - win->m_diffY;
 160     win->m_x = x;
 161     win->m_y = y;
 162     gtk_widget_set_uposition( win->m_widget, x, y );
 163
 164     return TRUE;
 165 }
 166
 167 //-----------------------------------------------------------------------------
 168 // "motion_notify_event" of m_mainWidget
 169 //-----------------------------------------------------------------------------
 170
 171 static gint gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
 172 {
 173     if (g_isIdle) wxapp_install_idle_handler();
 174
 175     if (!win->HasVMT()) return FALSE;
 176     if (g_blockEventsOnDrag) return TRUE;
 177     if (g_blockEventsOnScroll) return TRUE;
 178
 179     if (!win->m_isDragging) return TRUE;
 180
 181     if (gdk_event->is_hint)
 182     {
 183        int x = 0;
 184        int y = 0;
 185        GdkModifierType state;
 186        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 187        gdk_event->x = x;
 188        gdk_event->y = y;
 189        gdk_event->state = state;
 190     }
 191
 192     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 193     win->m_oldX = (int)gdk_event->x - win->m_diffX;
 194     win->m_oldY = (int)gdk_event->y - win->m_diffY;
 195     DrawFrame( widget, win->m_oldX, win->m_oldY, win->m_width, win->m_height );
 196
 197     return TRUE;
 198 }
 199
 200 //-----------------------------------------------------------------------------
 201 // "clicked" of X system button
 202 //-----------------------------------------------------------------------------
 203
 204 static void gtk_button_clicked_callback( GtkWidget *WXUNUSED(widget), wxMiniFrame *mf )
 205 {
 206     if (g_isIdle) wxapp_install_idle_handler();
 207
 208     mf->Close();
 209 }
 210
 211 //-----------------------------------------------------------------------------
 212 // wxMiniFrame
 213 //-----------------------------------------------------------------------------
 214
 215 IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
 216
 217 bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
 218       const wxPoint &pos, const wxSize &size,
 219       long style, const wxString &name )
 220 {
 221     style = style | wxSIMPLE_BORDER;
 222
 223     m_miniEdge = 3;
 224     m_miniTitle = 13;
 225     m_isDragging = FALSE;
 226     m_oldX = -1;
 227     m_oldY = -1;
 228     m_diffX = 0;
 229     m_diffY = 0;
 230
 231     wxFrame::Create( parent, id, title, pos, size, style, name );
 232
 233     GtkWidget *close_button = gtk_button_new_with_label( "x" );
 234
 235     gtk_myfixed_put( GTK_MYFIXED(m_mainWidget), close_button, 4, 4 );
 236     gtk_widget_set_usize( close_button, 12, 11 );
 237
 238     gtk_widget_show( close_button );
 239
 240     gtk_signal_connect( GTK_OBJECT(close_button), "clicked",
 241       GTK_SIGNAL_FUNC(gtk_button_clicked_callback), (gpointer*)this );
 242
 243     /* these are called when the borders are drawn */
 244     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "expose_event",
 245         GTK_SIGNAL_FUNC(gtk_window_own_expose_callback), (gpointer)this );
 246
 247     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "draw",
 248        GTK_SIGNAL_FUNC(gtk_window_own_draw_callback), (gpointer)this );
 249
 250     /* these are required for dragging the mini frame around */
 251     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_press_event",
 252       GTK_SIGNAL_FUNC(gtk_window_button_press_callback), (gpointer)this );
 253
 254     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "button_release_event",
 255       GTK_SIGNAL_FUNC(gtk_window_button_release_callback), (gpointer)this );
 256
 257     gtk_signal_connect( GTK_OBJECT(m_mainWidget), "motion_notify_event",
 258       GTK_SIGNAL_FUNC(gtk_window_motion_notify_callback), (gpointer)this );
 259
 260     return TRUE;
 261 }