139 lines
3.9 KiB
C++
139 lines
3.9 KiB
C++
// cursor.C
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// Test the cursor setting code
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#include <FL/Fl.H>
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#include <FL/Fl_Window.H>
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#include <FL/Fl_Hor_Value_Slider.H>
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#include <FL/Fl_Choice.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Box.H>
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Fl_Color fg = FL_BLACK;
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Fl_Color bg = FL_WHITE;
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Fl_Cursor cursor = FL_CURSOR_DEFAULT;
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Fl_Hor_Value_Slider *cursor_slider;
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void choice_cb(Fl_Widget *, void *v) {
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cursor = (Fl_Cursor)(int)v;
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cursor_slider->value(cursor);
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fl_cursor(cursor,fg,bg);
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}
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Fl_Menu_Item choices[] = {
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{"FL_CURSOR_DEFAULT",0,choice_cb,(void*)FL_CURSOR_DEFAULT},
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{"FL_CURSOR_ARROW",0,choice_cb,(void*)FL_CURSOR_ARROW},
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{"FL_CURSOR_CROSS",0,choice_cb,(void*)FL_CURSOR_CROSS},
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{"FL_CURSOR_WAIT",0,choice_cb,(void*)FL_CURSOR_WAIT},
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{"FL_CURSOR_INSERT",0,choice_cb,(void*)FL_CURSOR_INSERT},
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{"FL_CURSOR_HAND",0,choice_cb,(void*)FL_CURSOR_HAND},
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{"FL_CURSOR_HELP",0,choice_cb,(void*)FL_CURSOR_HELP},
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{"FL_CURSOR_MOVE",0,choice_cb,(void*)FL_CURSOR_MOVE},
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{"FL_CURSOR_NS",0,choice_cb,(void*)FL_CURSOR_NS},
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{"FL_CURSOR_WE",0,choice_cb,(void*)FL_CURSOR_WE},
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{"FL_CURSOR_NWSE",0,choice_cb,(void*)FL_CURSOR_NWSE},
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{"FL_CURSOR_NESW",0,choice_cb,(void*)FL_CURSOR_NESW},
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{"FL_CURSOR_NONE",0,choice_cb,(void*)FL_CURSOR_NONE},
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#if 0
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{"FL_CURSOR_N",0,choice_cb,(void*)FL_CURSOR_N},
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{"FL_CURSOR_NE",0,choice_cb,(void*)FL_CURSOR_NE},
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{"FL_CURSOR_E",0,choice_cb,(void*)FL_CURSOR_E},
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{"FL_CURSOR_SE",0,choice_cb,(void*)FL_CURSOR_SE},
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{"FL_CURSOR_S",0,choice_cb,(void*)FL_CURSOR_S},
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{"FL_CURSOR_SW",0,choice_cb,(void*)FL_CURSOR_SW},
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{"FL_CURSOR_W",0,choice_cb,(void*)FL_CURSOR_W},
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{"FL_CURSOR_NW",0,choice_cb,(void*)FL_CURSOR_NW},
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#endif
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{0}
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};
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void setcursor(Fl_Widget *o, void *) {
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Fl_Hor_Value_Slider *slider = (Fl_Hor_Value_Slider *)o;
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cursor = Fl_Cursor((int)slider->value());
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fl_cursor(cursor,fg,bg);
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}
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void setfg(Fl_Widget *o, void *) {
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Fl_Hor_Value_Slider *slider = (Fl_Hor_Value_Slider *)o;
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fg = Fl_Color((int)slider->value());
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fl_cursor(cursor,fg,bg);
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}
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void setbg(Fl_Widget *o, void *) {
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Fl_Hor_Value_Slider *slider = (Fl_Hor_Value_Slider *)o;
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bg = Fl_Color((int)slider->value());
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fl_cursor(cursor,fg,bg);
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}
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// draw the label without any ^C or \nnn conversions:
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class CharBox : public Fl_Box {
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void draw() {
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fl_font(FL_FREE_FONT,14);
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fl_draw(label(), x()+w()/2, y()+h()/2);
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}
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public:
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CharBox(int X, int Y, int W, int H, const char* L) : Fl_Box(X,Y,W,H,L) {}
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};
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int main(int argc, char **argv) {
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Fl_Window window(400,300);
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Fl_Choice choice(80,100,200,25,"Cursor:");
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choice.menu(choices);
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choice.callback(choice_cb);
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choice.when(FL_WHEN_RELEASE|FL_WHEN_NOT_CHANGED);
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Fl_Hor_Value_Slider slider1(80,180,310,30,"Cursor:");
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cursor_slider = &slider1;
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slider1.align(FL_ALIGN_LEFT);
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slider1.step(1);
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slider1.precision(0);
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slider1.bounds(0,100);
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slider1.value(0);
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slider1.callback(setcursor);
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slider1.value(cursor);
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Fl_Hor_Value_Slider slider2(80,220,310,30,"fgcolor:");
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slider2.align(FL_ALIGN_LEFT);
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slider2.step(1);
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slider2.precision(0);
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slider2.bounds(0,255);
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slider2.value(0);
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slider2.callback(setfg);
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slider2.value(fg);
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Fl_Hor_Value_Slider slider3(80,260,310,30,"bgcolor:");
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slider3.align(FL_ALIGN_LEFT);
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slider3.step(1);
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slider3.precision(0);
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slider3.bounds(0,255);
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slider3.value(0);
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slider3.callback(setbg);
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slider3.value(bg);
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#if 0
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// draw the manual's diagram of cursors...
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window.size(400,800);
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int y = 300;
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Fl::set_font(FL_FREE_FONT, "cursor");
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char buf[100]; char *p = buf;
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for (Fl_Menu* m = choices; m->label(); m++) {
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Fl_Box* b = new Fl_Box(35,y,150,25,m->label());
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b->align(FL_ALIGN_LEFT|FL_ALIGN_INSIDE);
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int n = (int)(m->argument());
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if (n == FL_CURSOR_NONE) break;
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if (n == FL_CURSOR_DEFAULT) n = FL_CURSOR_ARROW;
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p[0] = (char)((n-1)*2);
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p[1] = 0;
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b = new CharBox(15,y,20,20,p); p+=2;
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y += 25;
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}
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#endif
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window.resizable(window);
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window.end();
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window.show(argc,argv);
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return Fl::run();
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}
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