Include a stripped-down version of FLTK in tree and add a USE_INCLUDED_FLTK option to build against it.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4603 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/fltk/src/fl_gtk.cxx b/common/fltk/src/fl_gtk.cxx
new file mode 100644
index 0000000..76cbe4c
--- /dev/null
+++ b/common/fltk/src/fl_gtk.cxx
@@ -0,0 +1,304 @@
+//
+// "$Id: fl_gtk.cxx 7903 2010-11-28 21:06:39Z matt $"
+//
+// "GTK" drawing routines for the Fast Light Tool Kit (FLTK).
+//
+// These box types provide a GTK+ look, based on Red Hat's Bluecurve
+// theme...
+//
+// Copyright 2006-2010 by Michael Sweet.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Library General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+// USA.
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+// Box drawing code for an obscure box type.
+// These box types are in separate files so they are not linked
+// in if not used.
+
+#include <FL/Fl.H>
+#include <FL/fl_draw.H>
+
+extern void fl_internal_boxtype(Fl_Boxtype, Fl_Box_Draw_F*);
+
+
+static void gtk_color(Fl_Color c) {
+ if (Fl::draw_box_active()) fl_color(c);
+ else fl_color(fl_inactive(c));
+}
+
+
+static void gtk_up_frame(int x, int y, int w, int h, Fl_Color c) {
+ gtk_color(fl_color_average(FL_WHITE, c, 0.5));
+ fl_xyline(x + 2, y + 1, x + w - 3);
+ fl_yxline(x + 1, y + 2, y + h - 3);
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.5));
+ fl_begin_loop();
+ fl_vertex(x, y + 2);
+ fl_vertex(x + 2, y);
+ fl_vertex(x + w - 3, y);
+ fl_vertex(x + w - 1, y + 2);
+ fl_vertex(x + w - 1, y + h - 3);
+ fl_vertex(x + w - 3, y + h - 1);
+ fl_vertex(x + 2, y + h - 1);
+ fl_vertex(x, y + h - 3);
+ fl_end_loop();
+}
+
+
+static void gtk_up_box(int x, int y, int w, int h, Fl_Color c) {
+ gtk_up_frame(x, y, w, h, c);
+
+ gtk_color(fl_color_average(FL_WHITE, c, 0.4f));
+ fl_xyline(x + 2, y + 2, x + w - 3);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.2f));
+ fl_xyline(x + 2, y + 3, x + w - 3);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.1f));
+ fl_xyline(x + 2, y + 4, x + w - 3);
+ gtk_color(c);
+ fl_rectf(x + 2, y + 5, w - 4, h - 7);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.025f));
+ fl_xyline(x + 2, y + h - 4, x + w - 3);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.05f));
+ fl_xyline(x + 2, y + h - 3, x + w - 3);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.1f));
+ fl_xyline(x + 2, y + h - 2, x + w - 3);
+ fl_yxline(x + w - 2, y + 2, y + h - 3);
+}
+
+
+static void gtk_down_frame(int x, int y, int w, int h, Fl_Color c) {
+ gtk_color(fl_color_average(FL_BLACK, c, 0.5));
+ fl_begin_loop();
+ fl_vertex(x, y + 2);
+ fl_vertex(x + 2, y);
+ fl_vertex(x + w - 3, y);
+ fl_vertex(x + w - 1, y + 2);
+ fl_vertex(x + w - 1, y + h - 3);
+ fl_vertex(x + w - 3, y + h - 1);
+ fl_vertex(x + 2, y + h - 1);
+ fl_vertex(x, y + h - 3);
+ fl_end_loop();
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.1f));
+ fl_xyline(x + 2, y + 1, x + w - 3);
+ fl_yxline(x + 1, y + 2, y + h - 3);
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.05f));
+ fl_yxline(x + 2, y + h - 2, y + 2, x + w - 2);
+}
+
+
+static void gtk_down_box(int x, int y, int w, int h, Fl_Color c) {
+ gtk_down_frame(x, y, w, h, c);
+
+ gtk_color(c);
+ fl_rectf(x + 3, y + 3, w - 5, h - 4);
+ fl_yxline(x + w - 2, y + 3, y + h - 3);
+}
+
+
+static void gtk_thin_up_frame(int x, int y, int w, int h, Fl_Color c) {
+ gtk_color(fl_color_average(FL_WHITE, c, 0.6f));
+ fl_xyline(x + 1, y, x + w - 2);
+ fl_yxline(x, y + 1, y + h - 2);
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.4f));
+ fl_xyline(x + 1, y + h - 1, x + w - 2);
+ fl_yxline(x + w - 1, y + 1, y + h - 2);
+}
+
+
+static void gtk_thin_up_box(int x, int y, int w, int h, Fl_Color c) {
+ gtk_thin_up_frame(x, y, w, h, c);
+
+ gtk_color(fl_color_average(FL_WHITE, c, 0.4f));
+ fl_xyline(x + 1, y + 1, x + w - 2);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.2f));
+ fl_xyline(x + 1, y + 2, x + w - 2);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.1f));
+ fl_xyline(x + 1, y + 3, x + w - 2);
+ gtk_color(c);
+ fl_rectf(x + 1, y + 4, w - 2, h - 8);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.025f));
+ fl_xyline(x + 1, y + h - 4, x + w - 2);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.05f));
+ fl_xyline(x + 1, y + h - 3, x + w - 2);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.1f));
+ fl_xyline(x + 1, y + h - 2, x + w - 2);
+}
+
+
+static void gtk_thin_down_frame(int x, int y, int w, int h, Fl_Color c) {
+ gtk_color(fl_color_average(FL_BLACK, c, 0.4f));
+ fl_xyline(x + 1, y, x + w - 2);
+ fl_yxline(x, y + 1, y + h - 2);
+
+ gtk_color(fl_color_average(FL_WHITE, c, 0.6f));
+ fl_xyline(x + 1, y + h - 1, x + w - 2);
+ fl_yxline(x + w - 1, y + 1, y + h - 2);
+}
+
+
+static void gtk_thin_down_box(int x, int y, int w, int h, Fl_Color c) {
+ gtk_thin_down_frame(x, y, w, h, c);
+
+ gtk_color(c);
+ fl_rectf(x + 1, y + 1, w - 2, h - 2);
+}
+
+//------------------------
+// new GTK+ style for round buttons
+#if 1
+
+static void fl_arc_i(int x,int y,int w,int h,double a1,double a2) {
+ fl_arc(x,y,w,h,a1,a2);
+}
+
+enum {UPPER_LEFT, LOWER_RIGHT, CLOSED, FILL};
+
+static void draw(int which, int x,int y,int w,int h, int inset)
+{
+ if (inset*2 >= w) inset = (w-1)/2;
+ if (inset*2 >= h) inset = (h-1)/2;
+ x += inset;
+ y += inset;
+ w -= 2*inset;
+ h -= 2*inset;
+ int d = w <= h ? w : h;
+ if (d <= 1) return;
+ void (*f)(int,int,int,int,double,double);
+ f = (which==FILL) ? fl_pie : fl_arc_i;
+ if (which >= CLOSED) {
+ f(x+w-d, y, d, d, w<=h ? 0 : -90, w<=h ? 180 : 90);
+ f(x, y+h-d, d, d, w<=h ? 180 : 90, w<=h ? 360 : 270);
+ } else if (which == UPPER_LEFT) {
+ f(x+w-d, y, d, d, 45, w<=h ? 180 : 90);
+ f(x, y+h-d, d, d, w<=h ? 180 : 90, 225);
+ } else { // LOWER_RIGHT
+ f(x, y+h-d, d, d, 225, w<=h ? 360 : 270);
+ f(x+w-d, y, d, d, w<=h ? 360 : 270, 360+45);
+ }
+ if (which == FILL) {
+ if (w < h)
+ fl_rectf(x, y+d/2, w, h-(d&-2));
+ else if (w > h)
+ fl_rectf(x+d/2, y, w-(d&-2), h);
+ } else {
+ if (w < h) {
+ if (which != UPPER_LEFT) fl_yxline(x+w-1, y+d/2-1, y+h-d/2+1);
+ if (which != LOWER_RIGHT) fl_yxline(x, y+d/2-1, y+h-d/2+1);
+ } else if (w > h) {
+ if (which != UPPER_LEFT) fl_xyline(x+d/2-1, y+h-1, x+w-d/2+1);
+ if (which != LOWER_RIGHT) fl_xyline(x+d/2-1, y, x+w-d/2+1);
+ }
+ }
+}
+
+void gtk_round_up_box(int x, int y, int w, int h, Fl_Color c) {
+ fl_color(c);
+ draw(FILL, x, y, w, h, 2);
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.025f));
+ draw(LOWER_RIGHT, x+1, y, w-2, h, 2);
+ draw(LOWER_RIGHT, x, y, w, h, 3);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.05f));
+ draw(LOWER_RIGHT, x+1, y, w-2, h, 1);
+ draw(LOWER_RIGHT, x, y, w, h, 2);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.1f));
+ draw(LOWER_RIGHT, x+1, y, w-2, h, 0);
+ draw(LOWER_RIGHT, x, y, w, h, 1);
+
+ gtk_color(fl_color_average(FL_WHITE, c, 0.1f));
+ draw(UPPER_LEFT, x, y, w, h, 4);
+ draw(UPPER_LEFT, x+1, y, w-2, h, 3);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.2f));
+ draw(UPPER_LEFT, x, y, w, h, 3);
+ draw(UPPER_LEFT, x+1, y, w-2, h, 2);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.4f));
+ draw(UPPER_LEFT, x, y, w, h, 2);
+ draw(UPPER_LEFT, x+1, y, w-2, h, 1);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.5f));
+ draw(UPPER_LEFT, x, y, w, h, 1);
+ draw(UPPER_LEFT, x+1, y, w-2, h, 0);
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.5f));
+ draw(CLOSED, x, y, w, h, 0);
+}
+
+void gtk_round_down_box(int x, int y, int w, int h, Fl_Color c) {
+ fl_color(c);
+ draw(FILL, x, y, w, h, 2);
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.05f));
+ draw(UPPER_LEFT, x, y, w, h, 2);
+ draw(UPPER_LEFT, x+1, y, w-2, h, 1);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.1f));
+ draw(UPPER_LEFT, x, y, w, h, 1);
+ draw(UPPER_LEFT, x+1, y, w-2, h, 0);
+
+ gtk_color(fl_color_average(FL_BLACK, c, 0.5f));
+ draw(CLOSED, x, y, w, h, 0);
+}
+
+#else
+
+static void gtk_round_up_box(int x, int y, int w, int h, Fl_Color c) {
+ gtk_color(c);
+ fl_pie(x, y, w, h, 0.0, 360.0);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.5f));
+ fl_arc(x, y, w, h, 45.0, 180.0);
+ gtk_color(fl_color_average(FL_WHITE, c, 0.25f));
+ fl_arc(x, y, w, h, 180.0, 405.0);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.5f));
+ fl_arc(x, y, w, h, 225.0, 360.0);
+}
+
+
+static void gtk_round_down_box(int x, int y, int w, int h, Fl_Color c) {
+ gtk_color(c);
+ fl_pie(x, y, w, h, 0.0, 360.0);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.2));
+ fl_arc(x + 1, y, w, h, 90.0, 210.0);
+ gtk_color(fl_color_average(FL_BLACK, c, 0.6));
+ fl_arc(x, y, w, h, 0.0, 360.0);
+}
+
+#endif
+
+Fl_Boxtype fl_define_FL_GTK_UP_BOX() {
+ fl_internal_boxtype(_FL_GTK_UP_BOX, gtk_up_box);
+ fl_internal_boxtype(_FL_GTK_DOWN_BOX, gtk_down_box);
+ fl_internal_boxtype(_FL_GTK_UP_FRAME, gtk_up_frame);
+ fl_internal_boxtype(_FL_GTK_DOWN_FRAME, gtk_down_frame);
+ fl_internal_boxtype(_FL_GTK_THIN_UP_BOX, gtk_thin_up_box);
+ fl_internal_boxtype(_FL_GTK_THIN_DOWN_BOX, gtk_thin_down_box);
+ fl_internal_boxtype(_FL_GTK_THIN_UP_FRAME, gtk_thin_up_frame);
+ fl_internal_boxtype(_FL_GTK_THIN_DOWN_FRAME, gtk_thin_down_frame);
+ fl_internal_boxtype(_FL_GTK_ROUND_UP_BOX, gtk_round_up_box);
+ fl_internal_boxtype(_FL_GTK_ROUND_DOWN_BOX, gtk_round_down_box);
+
+ return _FL_GTK_UP_BOX;
+}
+
+
+//
+// End of "$Id: fl_gtk.cxx 7903 2010-11-28 21:06:39Z matt $".
+//