X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9c7f49f569dcabe360a3a51a94eff77225b39d69..222702b112dcc7bebe018d6f4d66fe469fefd02c:/src/gtk/renderer.cpp?ds=sidebyside diff --git a/src/gtk/renderer.cpp b/src/gtk/renderer.cpp index 77eee2e2fb..7c0a375e80 100644 --- a/src/gtk/renderer.cpp +++ b/src/gtk/renderer.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// // Name: gtk/renderer.cpp -// Purpose: implementation of wxRendererBase for wxGTK +// Purpose: implementation of wxRendererNative for wxGTK // Author: Vadim Zeitlin // Modified by: // Created: 20.07.2003 // RCS-ID: $Id$ // Copyright: (c) 2003 Vadim Zeitlin -// License: wxWindows license +// License: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -24,19 +24,34 @@ #pragma hdrstop #endif -#ifndef WX_PRECOMP -#endif // WX_PRECOMP - +#include "wx/renderer.h" #include #include "wx/gtk/win_gtk.h" -#include "wx/renderer.h" +#include "wx/window.h" +#include "wx/dc.h" +#include "wx/dcclient.h" + +#ifdef __WXGTK20__ + #include "wx/settings.h" +#endif // GTK 2.0 + +#ifdef __WXGTK20__ + #define WXUNUSED_IN_GTK1(arg) arg +#else + #define WXUNUSED_IN_GTK1(arg) +#endif + +// RR: After a correction to the orientation of the sash +// this doesn't seem to be required anymore and it +// seems to confuse some themes so USE_ERASE_RECT=0 +#define USE_ERASE_RECT 0 // ---------------------------------------------------------------------------- -// wxRendererGTK: our wxRendererBase implementation +// wxRendererGTK: our wxRendererNative implementation // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererBase +class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative { public: // draw the header control button (used by wxListCtrl) @@ -51,8 +66,41 @@ public: wxDC& dc, const wxRect& rect, int flags = 0); -#endif // GTK 2.0 +#endif // GTK+ 2.0 + + virtual void DrawSplitterBorder(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + virtual void DrawSplitterSash(wxWindow *win, + wxDC& dc, + const wxSize& size, + wxCoord position, + wxOrientation orient, + int flags = 0); + + virtual void DrawComboBoxDropButton(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + virtual void DrawDropArrow(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags = 0); + + virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win); + +private: + // FIXME: shouldn't we destroy these windows somewhere? + + // used by DrawHeaderButton and DrawComboBoxDropButton + static GtkWidget *GetButtonWidget(); + +#ifdef __WXGTK20__ + // used by DrawTreeItemButton() + static GtkWidget *GetTreeWidget(); +#endif // GTK+ 2.0 }; // ============================================================================ @@ -60,68 +108,402 @@ public: // ============================================================================ /* static */ -wxRendererNative& wxRendererGTK::Get() +wxRendererNative& wxRendererNative::GetDefault() { static wxRendererGTK s_rendererGTK; return s_rendererGTK; } +// ---------------------------------------------------------------------------- +// helper functions +// ---------------------------------------------------------------------------- + +GtkWidget * +wxRendererGTK::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; +} + +#ifdef __WXGTK20__ + +GtkWidget * +wxRendererGTK::GetTreeWidget() +{ + static GtkWidget *s_tree = NULL; + static GtkWidget *s_window = NULL; + + if ( !s_tree ) + { + s_tree = gtk_tree_view_new(); + s_window = gtk_window_new( GTK_WINDOW_POPUP ); + gtk_widget_realize( s_window ); + gtk_container_add( GTK_CONTAINER(s_window), s_tree ); + gtk_widget_realize( s_tree ); + } + + return s_tree; +} + +#endif // GTK+ 2.0 + +// ---------------------------------------------------------------------------- +// list/tree controls drawing +// ---------------------------------------------------------------------------- + void wxRendererGTK::DrawHeaderButton(wxWindow *win, wxDC& dc, const wxRect& rect, int flags) { + + GtkWidget *button = GetButtonWidget(); + gtk_paint_box ( - win->m_wxwindow->style, + button->style, + // FIXME: I suppose GTK_PIZZA(win->m_wxwindow)->bin_window doesn't work with wxMemoryDC. + // Maybe use code similar as in DrawComboBoxDropButton below? GTK_PIZZA(win->m_wxwindow)->bin_window, flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL, GTK_SHADOW_OUT, - (GdkRectangle*) NULL, m_wxwindow, - (char *)"button", // const_cast - dc.XLOG2DEV(rect.x) - 1, rect.y - 1, rect.width + 2, rect.h + 2 + NULL, + button, + "button", + dc.XLOG2DEV(rect.x) -1, rect.y -1, rect.width +2, rect.height +2 ); } #ifdef __WXGTK20__ // draw a ">" or "v" button -// -// TODO: isn't there a GTK function to draw it? void -wxRendererGTK::DrawTreeItemButton(wxDC& dc, const wxRect& rect, int flags) +wxRendererGTK::DrawTreeItemButton(wxWindow* win, + wxDC& dc, const wxRect& rect, int flags) +{ + GtkWidget *tree = GetTreeWidget(); + + GtkStateType state; + if ( flags & wxCONTROL_CURRENT ) + state = GTK_STATE_PRELIGHT; + else + state = GTK_STATE_NORMAL; + + // VZ: I don't know how to get the size of the expander so as to centre it + // in the given rectangle, +2/3 below is just what looks good here... + gtk_paint_expander + ( + tree->style, + GTK_PIZZA(win->m_wxwindow)->bin_window, + state, + NULL, + tree, + "treeview", + dc.LogicalToDeviceX(rect.x) + 2, + dc.LogicalToDeviceY(rect.y) + 3, + flags & wxCONTROL_EXPANDED ? GTK_EXPANDER_EXPANDED + : GTK_EXPANDER_COLLAPSED + ); +} + +#endif // GTK+ 2.0 + +// ---------------------------------------------------------------------------- +// splitter sash drawing +// ---------------------------------------------------------------------------- + +#ifndef __WXGTK20__ + // the full sash width (should be even) + static const wxCoord SASH_SIZE = 8; + + // margin around the sash + static const wxCoord SASH_MARGIN = 2; +#endif // GTK+ 2.x/1.x + +static int GetGtkSplitterFullSize() +{ +#ifdef __WXGTK20__ + static GtkWidget *s_paned = NULL; + if (s_paned == NULL) + s_paned = gtk_vpaned_new(); + + gint handle_size; + gtk_widget_style_get (s_paned, "handle_size", &handle_size, NULL); + + return handle_size; +#else + return SASH_SIZE + SASH_MARGIN; +#endif +} + +wxSplitterRenderParams +wxRendererGTK::GetSplitterParams(const wxWindow *WXUNUSED(win)) +{ + // we don't draw any border, hence 0 for the second field + return wxSplitterRenderParams + ( + GetGtkSplitterFullSize(), + 0, +#ifdef __WXGTK20__ + true // hot sensitive +#else // GTK+ 1.x + false // not +#endif // GTK+ 2.x/1.x + ); +} + +void +wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win), + wxDC& WXUNUSED(dc), + const wxRect& WXUNUSED(rect), + int WXUNUSED(flags)) +{ + // nothing to do +} + +void +wxRendererGTK::DrawSplitterSash(wxWindow *win, + wxDC& dc, + const wxSize& size, + wxCoord position, + wxOrientation orient, + int WXUNUSED_IN_GTK1(flags)) { - dc.SetBrush(*m_hilightBrush); - dc.SetPen(*wxBLACK_PEN); - wxPoint button[3]; + if ( !win->m_wxwindow->window ) + { + // window not realized yet + return; + } + + wxCoord full_size = GetGtkSplitterFullSize(); - const wxCoord xMiddle = rect.x + rect.width/2; - const wxCoord yMiddle = rect.y + rect.height/2; + // are we drawing vertical or horizontal splitter? + const bool isVert = orient == wxVERTICAL; + + GdkRectangle rect; +#if USE_ERASE_RECT + GdkRectangle erase_rect; +#endif - if ( flags & wxCONTROL_EXPANDED ) + if ( isVert ) { - button[0].x = rect.GetLeft(); - button[0].y = yMiddle - 2; - button[1].x = rect.GetRight(); - button[1].y = yMiddle - 2; - button[2].x = xMiddle; - button[2].y = yMiddle + 3; + int h = win->GetClientSize().GetHeight(); + + rect.x = position; + rect.y = 0; + rect.width = full_size; + rect.height = h; + +#if USE_ERASE_RECT + erase_rect.x = position; + erase_rect.y = 0; + erase_rect.width = full_size; + erase_rect.height = h; +#endif } - else // collapsed + else // horz { - button[0].y = rect.GetBottom(); - button[0].x = xMiddle - 2; - button[1].y = rect.GetTop(); - button[1].x = xMiddle - 2; - button[2].y = yMiddle; - button[2].x = xMiddle + 3; + int w = win->GetClientSize().GetWidth(); + + rect.x = 0; + rect.y = position; + rect.height = full_size; + rect.width = w; + +#if USE_ERASE_RECT + erase_rect.y = position; + erase_rect.x = 0; + erase_rect.height = full_size; + erase_rect.width = w; +#endif } - dc.DrawPolygon(3, button); +#if USE_ERASE_RECT + // we must erase everything first, otherwise the garbage + // from the old sash is left when dragging it + gtk_paint_flat_box + ( + win->m_wxwindow->style, + GTK_PIZZA(win->m_wxwindow)->bin_window, + GTK_STATE_NORMAL, + GTK_SHADOW_NONE, + NULL, + win->m_wxwindow, + (char *)"viewportbin", // const_cast + erase_rect.x, + erase_rect.y, + erase_rect.width, + erase_rect.height + ); +#endif + +#ifdef __WXGTK20__ + gtk_paint_handle + ( + win->m_wxwindow->style, + GTK_PIZZA(win->m_wxwindow)->bin_window, + flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL, + GTK_SHADOW_NONE, + NULL /* no clipping */, + win->m_wxwindow, + "paned", + rect.x, + rect.y, + rect.width, + rect.height, + isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL + ); +#else // GTK+ 1.x + + // leave some margin before sash itself + position += SASH_MARGIN / 2; + + // and finally draw it using GTK paint functions + typedef void (*GtkPaintLineFunc)(GtkStyle *, GdkWindow *, + GtkStateType, + GdkRectangle *, GtkWidget *, + gchar *, + gint, gint, gint); + + GtkPaintLineFunc func = isVert ? gtk_paint_vline : gtk_paint_hline; + + (*func) + ( + win->m_wxwindow->style, + GTK_PIZZA(win->m_wxwindow)->bin_window, + GTK_STATE_NORMAL, + NULL, + win->m_wxwindow, + (char *)"paned", // const_cast + 0, isVert ? size.y : size.x, position + SASH_SIZE / 2 - 1 + ); + + gtk_paint_box + ( + win->m_wxwindow->style, + GTK_PIZZA(win->m_wxwindow)->bin_window, + GTK_STATE_NORMAL, + GTK_SHADOW_OUT, + (GdkRectangle*) NULL, + win->m_wxwindow, + (char *)"paned", // const_cast + isVert ? position : size.x - 2*SASH_SIZE, + isVert ? size.y - 2*SASH_SIZE : position, + SASH_SIZE, SASH_SIZE + ); +#endif // GTK+ 2.x/1.x } -#endif // GTK 2.0 +void +wxRendererGTK::DrawDropArrow(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags) +{ + GtkWidget *button = GetButtonWidget(); + + // If we give GTK_PIZZA(win->m_wxwindow)->bin_window as + // a window for gtk_paint_xxx function, then it won't + // work for wxMemoryDC. So that is why we assume wxDC + // is wxWindowDC (wxClientDC, wxMemoryDC and wxPaintDC + // are derived from it) and use its m_window. + wxWindowDC& wdc = (wxWindowDC&)dc; + + // only doing debug-time checking here (it should + // probably be enough) + wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) ); + + // draw arrow so that there is even space horizontally + // on both sides + int arrowX = rect.width/4 + 1; + int arrowWidth = rect.width - (arrowX*2); + + // scale arrow's height accoording to the width + int arrowHeight = rect.width/3; + int arrowY = (rect.height-arrowHeight)/2 + + ((rect.height-arrowHeight) & 1); + + GtkStateType state; + if ( flags & wxCONTROL_PRESSED ) + state = GTK_STATE_ACTIVE; + else if ( flags & wxCONTROL_DISABLED ) + state = GTK_STATE_INSENSITIVE; + else if ( flags & wxCONTROL_CURRENT ) + state = GTK_STATE_PRELIGHT; + else + state = GTK_STATE_NORMAL; + + // draw arrow on button + gtk_paint_arrow + ( + button->style, + wdc.m_window, + state, + flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT, + NULL, + button, + "arrow", + GTK_ARROW_DOWN, + FALSE, + rect.x + arrowX, + rect.y + arrowY, + arrowWidth, + arrowHeight + ); +} + +void +wxRendererGTK::DrawComboBoxDropButton(wxWindow *win, + wxDC& dc, + const wxRect& rect, + int flags) +{ + GtkWidget *button = GetButtonWidget(); + + // for reason why we do this, see DrawDropArrow + wxWindowDC& wdc = (wxWindowDC&)dc; + wxASSERT ( wdc.IsKindOf(CLASSINFO(wxWindowDC)) ); + + // draw button + GtkStateType state; + + if ( flags & wxCONTROL_PRESSED ) + state = GTK_STATE_ACTIVE; + else if ( flags & wxCONTROL_DISABLED ) + state = GTK_STATE_INSENSITIVE; + else if ( flags & wxCONTROL_CURRENT ) + state = GTK_STATE_PRELIGHT; + else + state = GTK_STATE_NORMAL; + + gtk_paint_box + ( + button->style, + wdc.m_window, + state, + flags & wxCONTROL_PRESSED ? GTK_SHADOW_IN : GTK_SHADOW_OUT, + NULL, + button, + "button", + rect.x, rect.y, rect.width, rect.height + ); + + // draw arrow on button + DrawDropArrow(win,dc,rect,flags); + +}