| 1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gtk/renderer.cpp |
| 3 | // Purpose: implementation of wxRendererNative for wxGTK |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Modified by: |
| 6 | // Created: 20.07.2003 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org> |
| 9 | // License: wxWindows license |
| 10 | /////////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // ============================================================================ |
| 13 | // declarations |
| 14 | // ============================================================================ |
| 15 | |
| 16 | // ---------------------------------------------------------------------------- |
| 17 | // headers |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | |
| 20 | // for compilers that support precompilation, includes "wx.h". |
| 21 | #include "wx/wxprec.h" |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #ifndef WX_PRECOMP |
| 28 | #endif // WX_PRECOMP |
| 29 | |
| 30 | #include <gtk/gtk.h> |
| 31 | #include "wx/gtk/win_gtk.h" |
| 32 | |
| 33 | #include "wx/window.h" |
| 34 | #include "wx/dc.h" |
| 35 | #include "wx/renderer.h" |
| 36 | |
| 37 | #ifdef __WXGTK20__ |
| 38 | #include "wx/settings.h" |
| 39 | #endif // GTK 2.0 |
| 40 | |
| 41 | #ifdef __WXGTK20__ |
| 42 | #define WXUNUSED_IN_GTK1(arg) arg |
| 43 | #else |
| 44 | #define WXUNUSED_IN_GTK1(arg) |
| 45 | #endif |
| 46 | |
| 47 | // ---------------------------------------------------------------------------- |
| 48 | // wxRendererGTK: our wxRendererNative implementation |
| 49 | // ---------------------------------------------------------------------------- |
| 50 | |
| 51 | class WXDLLEXPORT wxRendererGTK : public wxDelegateRendererNative |
| 52 | { |
| 53 | public: |
| 54 | // draw the header control button (used by wxListCtrl) |
| 55 | virtual void DrawHeaderButton(wxWindow *win, |
| 56 | wxDC& dc, |
| 57 | const wxRect& rect, |
| 58 | int flags = 0); |
| 59 | |
| 60 | #ifdef __WXGTK20__ |
| 61 | // draw the expanded/collapsed icon for a tree control item |
| 62 | virtual void DrawTreeItemButton(wxWindow *win, |
| 63 | wxDC& dc, |
| 64 | const wxRect& rect, |
| 65 | int flags = 0); |
| 66 | #endif // GTK 2.0 |
| 67 | |
| 68 | virtual void DrawSplitterBorder(wxWindow *win, |
| 69 | wxDC& dc, |
| 70 | const wxRect& rect, |
| 71 | int flags = 0); |
| 72 | virtual void DrawSplitterSash(wxWindow *win, |
| 73 | wxDC& dc, |
| 74 | const wxSize& size, |
| 75 | wxCoord position, |
| 76 | wxOrientation orient, |
| 77 | int flags = 0); |
| 78 | |
| 79 | virtual wxSplitterRenderParams GetSplitterParams(const wxWindow *win); |
| 80 | }; |
| 81 | |
| 82 | // ============================================================================ |
| 83 | // implementation |
| 84 | // ============================================================================ |
| 85 | |
| 86 | /* static */ |
| 87 | wxRendererNative& wxRendererNative::GetDefault() |
| 88 | { |
| 89 | static wxRendererGTK s_rendererGTK; |
| 90 | |
| 91 | return s_rendererGTK; |
| 92 | } |
| 93 | |
| 94 | // ---------------------------------------------------------------------------- |
| 95 | // list/tree controls drawing |
| 96 | // ---------------------------------------------------------------------------- |
| 97 | |
| 98 | void |
| 99 | wxRendererGTK::DrawHeaderButton(wxWindow *win, |
| 100 | wxDC& dc, |
| 101 | const wxRect& rect, |
| 102 | int flags) |
| 103 | { |
| 104 | gtk_paint_box |
| 105 | ( |
| 106 | win->m_wxwindow->style, |
| 107 | GTK_PIZZA(win->m_wxwindow)->bin_window, |
| 108 | flags & wxCONTROL_DISABLED ? GTK_STATE_INSENSITIVE : GTK_STATE_NORMAL, |
| 109 | GTK_SHADOW_OUT, |
| 110 | (GdkRectangle*) NULL, |
| 111 | win->m_wxwindow, |
| 112 | (char *)"button", // const_cast |
| 113 | dc.XLOG2DEV(rect.x) - 1, rect.y - 1, rect.width + 2, rect.height + 2 |
| 114 | ); |
| 115 | } |
| 116 | |
| 117 | #ifdef __WXGTK20__ |
| 118 | |
| 119 | // draw a ">" or "v" button |
| 120 | // |
| 121 | // TODO: isn't there a GTK function to draw it? |
| 122 | void |
| 123 | wxRendererGTK::DrawTreeItemButton(wxWindow* WXUNUSED(win), |
| 124 | wxDC& dc, const wxRect& rect, int flags) |
| 125 | { |
| 126 | dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT), |
| 127 | wxSOLID)); |
| 128 | dc.SetPen(*wxBLACK_PEN); |
| 129 | wxPoint button[3]; |
| 130 | |
| 131 | const wxCoord xMiddle = rect.x + rect.width/2; |
| 132 | const wxCoord yMiddle = rect.y + rect.height/2; |
| 133 | |
| 134 | if ( flags & wxCONTROL_EXPANDED ) |
| 135 | { |
| 136 | button[0].x = rect.GetLeft(); |
| 137 | button[0].y = yMiddle - 2; |
| 138 | button[1].x = rect.GetRight(); |
| 139 | button[1].y = yMiddle - 2; |
| 140 | button[2].x = xMiddle; |
| 141 | button[2].y = yMiddle + 3; |
| 142 | } |
| 143 | else // collapsed |
| 144 | { |
| 145 | button[0].y = rect.GetBottom(); |
| 146 | button[0].x = xMiddle - 2; |
| 147 | button[1].y = rect.GetTop(); |
| 148 | button[1].x = xMiddle - 2; |
| 149 | button[2].y = yMiddle; |
| 150 | button[2].x = xMiddle + 3; |
| 151 | } |
| 152 | |
| 153 | dc.DrawPolygon(3, button); |
| 154 | } |
| 155 | |
| 156 | #endif // GTK 2.0 |
| 157 | |
| 158 | // ---------------------------------------------------------------------------- |
| 159 | // splitter sash drawing |
| 160 | // ---------------------------------------------------------------------------- |
| 161 | |
| 162 | // all this should probably be read from the current theme settings somehow? |
| 163 | #ifdef __WXGTK20__ |
| 164 | // the full sash size |
| 165 | static const wxCoord SASH_FULL_SIZE = 5; |
| 166 | #else // GTK+ 1.x |
| 167 | // the full sash width (should be even) |
| 168 | static const wxCoord SASH_SIZE = 10; |
| 169 | |
| 170 | // margin around the sash |
| 171 | static const wxCoord SASH_MARGIN = 5; |
| 172 | |
| 173 | // the full sash size |
| 174 | static const wxCoord SASH_FULL_SIZE = SASH_SIZE + SASH_MARGIN; |
| 175 | #endif // GTK+ 2.x/1.x |
| 176 | |
| 177 | wxSplitterRenderParams |
| 178 | wxRendererGTK::GetSplitterParams(const wxWindow * WXUNUSED(win)) |
| 179 | { |
| 180 | // we don't draw any border, hence 0 for the second field |
| 181 | return wxSplitterRenderParams |
| 182 | ( |
| 183 | SASH_FULL_SIZE, |
| 184 | 0, |
| 185 | #ifdef __WXGTK20__ |
| 186 | true // hot sensitive |
| 187 | #else // GTK+ 1.x |
| 188 | false // not |
| 189 | #endif // GTK+ 2.x/1.x |
| 190 | ); |
| 191 | } |
| 192 | |
| 193 | void |
| 194 | wxRendererGTK::DrawSplitterBorder(wxWindow * WXUNUSED(win), |
| 195 | wxDC& WXUNUSED(dc), |
| 196 | const wxRect& WXUNUSED(rect), |
| 197 | int WXUNUSED(flags)) |
| 198 | { |
| 199 | // nothing to do |
| 200 | } |
| 201 | |
| 202 | void |
| 203 | wxRendererGTK::DrawSplitterSash(wxWindow *win, |
| 204 | wxDC& dc, |
| 205 | const wxSize& size, |
| 206 | wxCoord position, |
| 207 | wxOrientation orient, |
| 208 | int WXUNUSED_IN_GTK1(flags)) |
| 209 | { |
| 210 | if ( !win->m_wxwindow->window ) |
| 211 | { |
| 212 | // VZ: this happens on startup -- why? |
| 213 | return; |
| 214 | } |
| 215 | |
| 216 | // are we drawing vertical or horizontal splitter? |
| 217 | const bool isVert = orient == wxVERTICAL; |
| 218 | |
| 219 | GdkRectangle rect; |
| 220 | if ( isVert ) |
| 221 | { |
| 222 | rect.x = position; |
| 223 | rect.y = 0; |
| 224 | rect.width = SASH_FULL_SIZE; |
| 225 | rect.height = size.y; |
| 226 | } |
| 227 | else // horz |
| 228 | { |
| 229 | rect.x = 0; |
| 230 | rect.y = position; |
| 231 | rect.height = SASH_FULL_SIZE; |
| 232 | rect.width = size.x; |
| 233 | } |
| 234 | |
| 235 | #ifdef __WXGTK20__ |
| 236 | gtk_paint_handle |
| 237 | ( |
| 238 | win->m_wxwindow->style, |
| 239 | GTK_PIZZA(win->m_wxwindow)->bin_window, |
| 240 | flags & wxCONTROL_CURRENT ? GTK_STATE_PRELIGHT : GTK_STATE_NORMAL, |
| 241 | GTK_SHADOW_NONE, |
| 242 | NULL /* no clipping */, |
| 243 | win->m_wxwindow, |
| 244 | "paned", |
| 245 | rect.x, |
| 246 | rect.y, |
| 247 | rect.width, |
| 248 | rect.height, |
| 249 | isVert ? GTK_ORIENTATION_VERTICAL : GTK_ORIENTATION_HORIZONTAL |
| 250 | ); |
| 251 | #else // GTK+ 1.x |
| 252 | // we must erase everything first, otherwise the garbage from the old sash |
| 253 | // is left when dragging it |
| 254 | // |
| 255 | // TODO: is this the right way to draw themed background? |
| 256 | gtk_paint_flat_box |
| 257 | ( |
| 258 | win->m_wxwindow->style, |
| 259 | GTK_PIZZA(win->m_wxwindow)->bin_window, |
| 260 | GTK_STATE_NORMAL, |
| 261 | GTK_SHADOW_NONE, |
| 262 | &rect, |
| 263 | win->m_wxwindow, |
| 264 | (char *)"base", // const_cast |
| 265 | 0, 0, -1, -1 |
| 266 | ); |
| 267 | |
| 268 | |
| 269 | // leave some margin before sash itself |
| 270 | position += SASH_MARGIN / 2; |
| 271 | |
| 272 | // and finally draw it using GTK paint functions |
| 273 | typedef void (*GtkPaintLineFunc)(GtkStyle *, GdkWindow *, |
| 274 | GtkStateType, |
| 275 | GdkRectangle *, GtkWidget *, |
| 276 | gchar *, |
| 277 | gint, gint, gint); |
| 278 | |
| 279 | GtkPaintLineFunc func = isVert ? gtk_paint_vline : gtk_paint_hline; |
| 280 | |
| 281 | (*func) |
| 282 | ( |
| 283 | win->m_wxwindow->style, |
| 284 | GTK_PIZZA(win->m_wxwindow)->bin_window, |
| 285 | GTK_STATE_NORMAL, |
| 286 | NULL, |
| 287 | win->m_wxwindow, |
| 288 | (char *)"paned", // const_cast |
| 289 | 0, isVert ? size.y : size.x, position + SASH_SIZE / 2 - 1 |
| 290 | ); |
| 291 | |
| 292 | gtk_paint_box |
| 293 | ( |
| 294 | win->m_wxwindow->style, |
| 295 | GTK_PIZZA(win->m_wxwindow)->bin_window, |
| 296 | GTK_STATE_NORMAL, |
| 297 | GTK_SHADOW_OUT, |
| 298 | (GdkRectangle*) NULL, |
| 299 | win->m_wxwindow, |
| 300 | (char *)"paned", // const_cast |
| 301 | isVert ? position : size.x - 2*SASH_SIZE, |
| 302 | isVert ? size.y - 2*SASH_SIZE : position, |
| 303 | SASH_SIZE, SASH_SIZE |
| 304 | ); |
| 305 | #endif // GTK+ 2.x/1.x |
| 306 | } |
| 307 | |