diff options
| -rw-r--r-- | test/color_chooser.cxx | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/test/color_chooser.cxx b/test/color_chooser.cxx index 3b62fa059..263cad28a 100644 --- a/test/color_chooser.cxx +++ b/test/color_chooser.cxx @@ -85,16 +85,24 @@ void cb2(Fl_Widget *, void *v) { bx->parent()->redraw(); } -class Image_Box: public Fl_Box { +class Sample_Box: public Fl_Box { public: - Image_Box(int x, int y, int w, int h, const char *label = nullptr) + Sample_Box(int x, int y, int w, int h, const char *label = nullptr) : Fl_Box(x, y, w, h, label) { } int handle(int event) override { if (event == FL_BEFORE_TOOLTIP) { - const char *color_name_lut[] = { "blue", "green", "black", "red" }; - int quadrant = (Fl::event_x() < x()+w()/2) + 2*(Fl::event_y() < y()+h()/2); - char buf[80]; - ::snprintf(buf, 79, "Color %s at x=%d, y=%d", color_name_lut[quadrant], Fl::event_x(), Fl::event_y()); + char buf[128]; + uchar r, g, b; + Fl::get_color(color(), r, g, b); + if ((color()&255) && (color()!=16)) { + ::snprintf(buf, 127, + "Background color is:\n" + "palette no. %d = r:%d, g:%d, b:%d", color(), r, g, b); + } else { + ::snprintf(buf, 127, + "Background color is:\n" + "r:%d, g:%d, b:%d", r, g, b); + } return Fl_Tooltip::override_text(buf); } return Fl_Box::handle(event); @@ -104,7 +112,8 @@ public: int main(int argc, char ** argv) { Fl::set_color(fullcolor_cell,145,159,170); Fl_Window window(400,400); - Fl_Box box(30,30,340,340); + Sample_Box box(30,30,340,340); + box.tooltip("Show RGB values"); box.box(FL_THIN_DOWN_BOX); c = fullcolor_cell; box.color(c); @@ -115,8 +124,7 @@ int main(int argc, char ** argv) { b1.callback(cb1,&box); Fl_Button b2(120,120,180,30,"fl_color_chooser()"); b2.callback(cb2,&box); - Image_Box image_box(160,190,width,height,0); - image_box.tooltip("Image Box"); + Fl_Box image_box(160,190,width,height,0); make_image(); (new Fl_RGB_Image(image, width, height))->label(&image_box); Fl_Box b(160,310,120,30,"Example of fl_draw_image()"); |