| /* |
| * Copyright (C) 2009 Kevin Ollivier All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include "scrollbar_render.h" |
| |
| #include <wx/defs.h> |
| #include <wx/dc.h> |
| #include <wx/dcgraph.h> |
| #include <wx/renderer.h> |
| #include <wx/settings.h> |
| #include <wx/window.h> |
| |
| #include <gtk/gtk.h> |
| |
| #if wxCHECK_VERSION(2, 9, 0) |
| #include <wx/gtk/dc.h> |
| #else |
| #include "wx/gtk/win_gtk.h" |
| #endif |
| |
| int wxStyleForPart(wxScrollbarPart part, wxScrollbarPart focusPart, wxScrollbarPart hoverPart, int flags) |
| { |
| int style = 0; |
| if (flags == wxCONTROL_DISABLED) |
| style = wxCONTROL_DISABLED; |
| else if (part == focusPart) |
| style = wxCONTROL_PRESSED; |
| else if (part == hoverPart) |
| style = wxCONTROL_CURRENT; |
| |
| return style; |
| } |
| |
| GtkWidget* GetButtonWidget() |
| { |
| static GtkWidget *s_button = NULL; |
| static GtkWidget *s_window = NULL; |
| |
| if ( !s_button ) |
| { |
| s_window = gtk_window_new( GTK_WINDOW_POPUP ); |
| gtk_widget_realize( s_window ); |
| s_button = gtk_button_new(); |
| gtk_container_add( GTK_CONTAINER(s_window), s_button ); |
| gtk_widget_realize( s_button ); |
| } |
| |
| return s_button; |
| } |
| |
| |
| GdkWindow* wxGetGdkWindowForDC(wxWindow* win, wxDC& dc) |
| { |
| GdkWindow* gdk_window = NULL; |
| #if wxCHECK_VERSION(2, 9, 0) |
| if ( dc.IsKindOf( CLASSINFO(wxGCDC) ) ) |
| gdk_window = win->GTKGetDrawingWindow(); |
| else |
| { |
| wxGTKDCImpl *impl = wxDynamicCast(dc.GetImpl(), wxGTKDCImpl); |
| if ( impl ) |
| gdk_window = impl->GetGDKWindow(); |
| } |
| #else // wx < 2.9 |
| // The way to get a GdkWindow* from a wxWindow is to use |
| // GTK_PIZZA(win->m_wxwindow)->bin_window, but this approach |
| // won't work when drawing to a wxMemoryDC as it has its own |
| // GdkWindow* for its bitmap. wxWindowDC's GetGDKWindow() was |
| // designed to create a solution for all DCs, but we can't |
| // implement it with wxGCDC since it doesn't retain its wxWindow. |
| // So, to work around this, we use GetGDKWindow whenever possible |
| // and use bin_window for wxGCDC. |
| #if wxUSE_GRAPHICS_CONTEXT |
| if ( dc.IsKindOf( CLASSINFO(wxGCDC) ) ) |
| gdk_window = GTK_PIZZA(win->m_wxwindow)->bin_window; |
| else |
| #endif |
| gdk_window = dc.GetGDKWindow(); |
| wxASSERT_MSG( gdk_window, |
| wxT("cannot use wxRendererNative on wxDC of this type") ); |
| #endif // wx 2.9/2.8 |
| |
| return gdk_window; |
| } |
| |
| void wxRenderer_DrawScrollbar(wxWindow* window, wxDC& dc, const wxRect& rect, wxOrientation orient, |
| int current, wxScrollbarPart focusPart, wxScrollbarPart hoverPart, int max, int step, int flags) |
| { |
| bool horiz = orient == wxHORIZONTAL; |
| wxColour scrollbar_colour = wxSystemSettings::GetColour(wxSYS_COLOUR_SCROLLBAR); |
| dc.SetBrush(wxBrush(scrollbar_colour)); |
| dc.SetPen(wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW))); |
| dc.DrawRectangle(rect.x, rect.y, rect.width, rect.height); |
| |
| wxRendererNative& renderer = wxRendererNative::Get(); |
| int x = rect.x; |
| int y = rect.y; |
| |
| int buttonLength = 16; |
| |
| renderer.DrawPushButton(window, dc, wxRect(x,y,buttonLength,buttonLength), wxStyleForPart(wxSCROLLPART_BACKBTNSTART, focusPart, hoverPart, flags)); |
| |
| GtkWidget* button = GetButtonWidget(); |
| GdkWindow* gdk_window = wxGetGdkWindowForDC(window, dc); |
| |
| GtkArrowType arrowType = GTK_ARROW_UP; |
| if (horiz) |
| arrowType = GTK_ARROW_LEFT; |
| |
| gtk_paint_arrow( button->style, gdk_window, GTK_STATE_NORMAL, GTK_SHADOW_OUT, NULL, button, "arrow", arrowType, false, x + 4, y + 4, 8, 8); |
| |
| wxRect buttonRect = rect; |
| int physicalLength = horiz ? rect.width : rect.height; |
| physicalLength -= buttonLength*2; |
| int thumbStart = 0; |
| int thumbLength = 0; |
| calcThumbStartAndLength(physicalLength, max, current, step, &thumbStart, &thumbLength); |
| |
| if (horiz) { |
| buttonRect.x = x + thumbStart + buttonLength; |
| buttonRect.y = y; |
| buttonRect.width = thumbLength; |
| } else { |
| buttonRect.x = x; |
| buttonRect.y = y + thumbStart + buttonLength; |
| buttonRect.height = thumbLength; |
| } |
| |
| renderer.DrawPushButton(window, dc, buttonRect, wxStyleForPart(wxSCROLLPART_THUMB, focusPart, hoverPart, flags)); |
| |
| if (horiz) |
| x += rect.width - buttonLength; |
| else |
| y += rect.height - buttonLength; |
| |
| renderer.DrawPushButton(window, dc, wxRect(x,y,buttonLength,buttonLength), wxStyleForPart(wxSCROLLPART_FWDBTNEND, focusPart, hoverPart, flags)); |
| |
| if (horiz) |
| arrowType = GTK_ARROW_RIGHT; |
| else |
| arrowType = GTK_ARROW_DOWN; |
| |
| gtk_paint_arrow( button->style, gdk_window, GTK_STATE_NORMAL, GTK_SHADOW_OUT, NULL, button, "arrow", arrowType, false, x + 4, y + 4, 8, 8); |
| } |