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dolphin-emulator/Externals/wxWidgets3/src/gtk/minifram.cpp
Shawn Hoffman a648aca65c wxWidgets3: update to svn r70933
2012-03-17 21:47:47 -07:00

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/////////////////////////////////////////////////////////////////////////////
// Name: src/gtk/minifram.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id: minifram.cpp 67326 2011-03-28 06:27:49Z PC $
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_MINIFRAME
#include "wx/minifram.h"
#ifndef WX_PRECOMP
#include "wx/settings.h"
#include "wx/dcclient.h"
#include "wx/image.h"
#endif
#include "wx/gtk/dcclient.h"
#include <gtk/gtk.h>
#include "wx/gtk/private/gtk2-compat.h"
//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------
extern bool g_blockEventsOnDrag;
extern bool g_blockEventsOnScroll;
//-----------------------------------------------------------------------------
// "expose_event" of m_mainWidget
//-----------------------------------------------------------------------------
// StepColour() it a utility function that simply darkens
// or lightens a color, based on the specified percentage
static wxColor StepColour(const wxColor& c, int percent)
{
int r = c.Red(), g = c.Green(), b = c.Blue();
return wxColour((unsigned char)wxMin((r*percent)/100,255),
(unsigned char)wxMin((g*percent)/100,255),
(unsigned char)wxMin((b*percent)/100,255));
}
static wxColor LightContrastColour(const wxColour& c)
{
int amount = 120;
// if the color is especially dark, then
// make the contrast even lighter
if (c.Red() < 128 && c.Green() < 128 && c.Blue() < 128)
amount = 160;
return StepColour(c, amount);
}
extern "C" {
static gboolean gtk_window_own_expose_callback(GtkWidget* widget, GdkEventExpose* gdk_event, wxMiniFrame* win)
{
if (!win->m_hasVMT || gdk_event->count > 0 ||
gdk_event->window != gtk_widget_get_window(widget))
{
return false;
}
gtk_paint_shadow (gtk_widget_get_style(widget),
gtk_widget_get_window(widget),
GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
NULL, NULL, NULL, // FIXME: No clipping?
0, 0,
win->m_width, win->m_height);
int style = win->GetWindowStyle();
wxClientDC dc(win);
wxDCImpl *impl = dc.GetImpl();
wxClientDCImpl *gtk_impl = wxDynamicCast( impl, wxClientDCImpl );
gtk_impl->m_gdkwindow = gtk_widget_get_window(widget); // Hack alert
if (style & wxRESIZE_BORDER)
{
dc.SetBrush( *wxGREY_BRUSH );
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle( win->m_width - 14, win->m_height-14, 14, 14 );
}
if (win->m_miniTitle && !win->GetTitle().empty())
{
dc.SetFont( *wxSMALL_FONT );
wxBrush brush( LightContrastColour( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT) ) );
dc.SetBrush( brush );
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle( win->m_miniEdge-1,
win->m_miniEdge-1,
win->m_width - (2*(win->m_miniEdge-1)),
15 );
dc.SetTextForeground( *wxWHITE );
dc.DrawText( win->GetTitle(), 6, 4 );
if (style & wxCLOSE_BOX)
dc.DrawBitmap( win->m_closeButton, win->m_width-18, 3, true );
}
return false;
}
}
//-----------------------------------------------------------------------------
// "button_press_event" of m_mainWidget
//-----------------------------------------------------------------------------
extern "C" {
static gboolean
gtk_window_button_press_callback(GtkWidget* widget, GdkEventButton* gdk_event, wxMiniFrame* win)
{
if (!win->m_hasVMT || gdk_event->window != gtk_widget_get_window(widget))
return false;
if (g_blockEventsOnDrag) return TRUE;
if (g_blockEventsOnScroll) return TRUE;
if (win->m_isDragging) return TRUE;
int style = win->GetWindowStyle();
int y = (int)gdk_event->y;
int x = (int)gdk_event->x;
if ((style & wxRESIZE_BORDER) &&
(x > win->m_width-14) && (y > win->m_height-14))
{
GtkWidget *ancestor = gtk_widget_get_toplevel( widget );
GdkWindow *source = gtk_widget_get_window(widget);
int org_x = 0;
int org_y = 0;
gdk_window_get_origin( source, &org_x, &org_y );
gtk_window_begin_resize_drag (GTK_WINDOW (ancestor),
GDK_WINDOW_EDGE_SOUTH_EAST,
1,
org_x + x,
org_y + y,
0);
return TRUE;
}
if (win->m_miniTitle && (style & wxCLOSE_BOX))
{
if ((y > 3) && (y < 19) && (x > win->m_width-19) && (x < win->m_width-3))
{
win->Close();
return TRUE;
}
}
if (y >= win->m_miniEdge + win->m_miniTitle)
return true;
gdk_window_raise(gtk_widget_get_window(win->m_widget));
gdk_pointer_grab( gtk_widget_get_window(widget), false,
(GdkEventMask)
(GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK |
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_BUTTON1_MOTION_MASK),
NULL,
NULL,
(unsigned int) GDK_CURRENT_TIME );
win->m_diffX = x;
win->m_diffY = y;
win->m_oldX = 0;
win->m_oldY = 0;
win->m_isDragging = true;
return TRUE;
}
}
//-----------------------------------------------------------------------------
// "button_release_event" of m_mainWidget
//-----------------------------------------------------------------------------
extern "C" {
static gboolean
gtk_window_button_release_callback(GtkWidget* widget, GdkEventButton* gdk_event, wxMiniFrame* win)
{
if (!win->m_hasVMT || gdk_event->window != gtk_widget_get_window(widget))
return false;
if (g_blockEventsOnDrag) return TRUE;
if (g_blockEventsOnScroll) return TRUE;
if (!win->m_isDragging) return TRUE;
win->m_isDragging = false;
int x = (int)gdk_event->x;
int y = (int)gdk_event->y;
gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
int org_x = 0;
int org_y = 0;
gdk_window_get_origin(gtk_widget_get_window(widget), &org_x, &org_y);
x += org_x - win->m_diffX;
y += org_y - win->m_diffY;
win->m_x = x;
win->m_y = y;
gtk_window_move( GTK_WINDOW(win->m_widget), x, y );
return TRUE;
}
}
//-----------------------------------------------------------------------------
// "leave_notify_event" of m_mainWidget
//-----------------------------------------------------------------------------
extern "C" {
static gboolean
gtk_window_leave_callback(GtkWidget *widget,
GdkEventCrossing* gdk_event,
wxMiniFrame *win)
{
if (!win->m_hasVMT) return FALSE;
if (g_blockEventsOnDrag) return FALSE;
if (gdk_event->window != gtk_widget_get_window(widget))
return false;
gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
return FALSE;
}
}
//-----------------------------------------------------------------------------
// "motion_notify_event" of m_mainWidget
//-----------------------------------------------------------------------------
extern "C" {
static gboolean
gtk_window_motion_notify_callback( GtkWidget *widget, GdkEventMotion *gdk_event, wxMiniFrame *win )
{
if (!win->m_hasVMT || gdk_event->window != gtk_widget_get_window(widget))
return false;
if (g_blockEventsOnDrag) return TRUE;
if (g_blockEventsOnScroll) return TRUE;
if (gdk_event->is_hint)
{
int x = 0;
int y = 0;
GdkModifierType state;
gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
gdk_event->x = x;
gdk_event->y = y;
gdk_event->state = state;
}
int style = win->GetWindowStyle();
int x = (int)gdk_event->x;
int y = (int)gdk_event->y;
if (!win->m_isDragging)
{
if (style & wxRESIZE_BORDER)
{
if ((x > win->m_width-14) && (y > win->m_height-14))
gdk_window_set_cursor(gtk_widget_get_window(widget), gdk_cursor_new(GDK_BOTTOM_RIGHT_CORNER));
else
gdk_window_set_cursor(gtk_widget_get_window(widget), NULL);
win->GTKUpdateCursor(false);
}
return TRUE;
}
win->m_oldX = x - win->m_diffX;
win->m_oldY = y - win->m_diffY;
int org_x = 0;
int org_y = 0;
gdk_window_get_origin(gtk_widget_get_window(widget), &org_x, &org_y);
x += org_x - win->m_diffX;
y += org_y - win->m_diffY;
win->m_x = x;
win->m_y = y;
gtk_window_move( GTK_WINDOW(win->m_widget), x, y );
return TRUE;
}
}
//-----------------------------------------------------------------------------
// wxMiniFrame
//-----------------------------------------------------------------------------
static unsigned char close_bits[]={
0xff, 0xff, 0xff, 0xff, 0x07, 0xf0, 0xfb, 0xef, 0xdb, 0xed, 0x8b, 0xe8,
0x1b, 0xec, 0x3b, 0xee, 0x1b, 0xec, 0x8b, 0xe8, 0xdb, 0xed, 0xfb, 0xef,
0x07, 0xf0, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
IMPLEMENT_DYNAMIC_CLASS(wxMiniFrame,wxFrame)
bool wxMiniFrame::Create( wxWindow *parent, wxWindowID id, const wxString &title,
const wxPoint &pos, const wxSize &size,
long style, const wxString &name )
{
m_miniTitle = 0;
if (style & wxCAPTION)
m_miniTitle = 16;
if (style & wxRESIZE_BORDER)
m_miniEdge = 4;
else
m_miniEdge = 3;
m_isDragging = false;
m_oldX = -1;
m_oldY = -1;
m_diffX = 0;
m_diffY = 0;
wxFrame::Create( parent, id, title, pos, size, style, name );
// Use a GtkEventBox for the title and borders. Using m_widget for this
// almost works, except that setting the resize cursor has no effect.
GtkWidget* eventbox = gtk_event_box_new();
gtk_widget_add_events(eventbox,
GDK_POINTER_MOTION_MASK |
GDK_POINTER_MOTION_HINT_MASK);
gtk_widget_show(eventbox);
// Use a GtkAlignment to position m_mainWidget inside the decorations
GtkWidget* alignment = gtk_alignment_new(0, 0, 1, 1);
gtk_alignment_set_padding(GTK_ALIGNMENT(alignment),
m_miniTitle + m_miniEdge, m_miniEdge, m_miniEdge, m_miniEdge);
gtk_widget_show(alignment);
// The GtkEventBox and GtkAlignment go between m_widget and m_mainWidget
gtk_widget_reparent(m_mainWidget, alignment);
gtk_container_add(GTK_CONTAINER(eventbox), alignment);
gtk_container_add(GTK_CONTAINER(m_widget), eventbox);
m_gdkDecor = 0;
m_gdkFunc = 0;
if (style & wxRESIZE_BORDER)
m_gdkFunc = GDK_FUNC_RESIZE;
gtk_window_set_default_size(GTK_WINDOW(m_widget), m_width, m_height);
m_decorSize.Set(0, 0);
m_deferShow = false;
// don't allow sizing smaller than decorations
GdkGeometry geom;
geom.min_width = 2 * m_miniEdge;
geom.min_height = 2 * m_miniEdge + m_miniTitle;
gtk_window_set_geometry_hints(GTK_WINDOW(m_widget), NULL, &geom, GDK_HINT_MIN_SIZE);
if (m_parent && (GTK_IS_WINDOW(m_parent->m_widget)))
{
gtk_window_set_transient_for( GTK_WINDOW(m_widget), GTK_WINDOW(m_parent->m_widget) );
}
if (m_miniTitle && (style & wxCLOSE_BOX))
{
wxImage img = wxBitmap((const char*)close_bits, 16, 16).ConvertToImage();
img.Replace(0,0,0,123,123,123);
img.SetMaskColour(123,123,123);
m_closeButton = wxBitmap( img );
}
/* these are called when the borders are drawn */
g_signal_connect_after(eventbox, "expose_event",
G_CALLBACK (gtk_window_own_expose_callback), this );
/* these are required for dragging the mini frame around */
g_signal_connect (eventbox, "button_press_event",
G_CALLBACK (gtk_window_button_press_callback), this);
g_signal_connect (eventbox, "button_release_event",
G_CALLBACK (gtk_window_button_release_callback), this);
g_signal_connect (eventbox, "motion_notify_event",
G_CALLBACK (gtk_window_motion_notify_callback), this);
g_signal_connect (eventbox, "leave_notify_event",
G_CALLBACK (gtk_window_leave_callback), this);
return true;
}
void wxMiniFrame::DoGetClientSize(int* width, int* height) const
{
wxFrame::DoGetClientSize(width, height);
if (width)
{
*width -= 2 * m_miniEdge;
if (*width < 0) *width = 0;
}
if (height)
{
*height -= m_miniTitle + 2 * m_miniEdge;
if (*height < 0) *height = 0;
}
}
// Keep min size at least as large as decorations
void wxMiniFrame::DoSetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
{
const int w = 2 * m_miniEdge;
const int h = 2 * m_miniEdge + m_miniTitle;
if (minW < w) minW = w;
if (minH < h) minH = h;
wxFrame::DoSetSizeHints(minW, minH, maxW, maxH, incW, incH);
}
void wxMiniFrame::SetTitle( const wxString &title )
{
wxFrame::SetTitle( title );
GdkWindow* window = gtk_widget_get_window(gtk_bin_get_child(GTK_BIN(m_widget)));
if (window)
gdk_window_invalidate_rect(window, NULL, false);
}
#endif // wxUSE_MINIFRAME
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