142 lines
4.2 KiB
C
142 lines
4.2 KiB
C
// style.C
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// Demo of a control panel for Fltk "style" changes.
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// You can use this as-is, or modify it to your needs.
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// To save & restore a style you should write the data to a file of
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// your own design. Most likely your program has it's own configuration
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// that you want to save as well, and it is user friendly to put all
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// this into the same file.
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////////////////////////////////////////////////////////////////
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// This is the part you want to copy to another program. The
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// program should call "show_style_panel()" in response to a button
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// that the user presses.
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#include "style_ui.C"
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#include <string.h>
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Fl_Menu_Item* font_menu() {
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static Fl_Menu_Item* menu;
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if (menu) return menu;
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int k = Fl::set_fonts(/*"*"*/);
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menu = new Fl_Menu_Item[k+1];
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memset(menu, 0, (k+1)*sizeof(Fl_Menu_Item));
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for (int i = 0; i < k; i++) {
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int t; const char *name = Fl::get_font_name((Fl_Font)i,&t);
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char buf[256];
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strcpy(buf, name);
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if (t & FL_BOLD) strcat(buf," bold");
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if (t & FL_ITALIC) strcat(buf," italic");
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menu[i].text = strdup(buf);
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}
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return menu;
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}
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void font_cb(Fl_Choice* c, long i) {
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Fl_Font n = Fl_Font(c->value());
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switch (i) {
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case 2: Fl_Menu_::default_font(n); break;
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case 1: Fl_Input_::default_font(n); break;
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default: Fl_Widget::default_font(n); break;
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}
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Fl::redraw();
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}
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void font_size_cb(Fl_Value_Input* c, long i) {
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int n = int(c->value()); if (n <= 0) n = 1; n -= FL_NORMAL_SIZE;
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switch (i) {
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case 2: Fl_Menu_::default_size(n); break;
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case 1: Fl_Input_::default_size(n); break;
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default: Fl_Widget::default_size(n); break;
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}
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Fl::redraw();
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}
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#include <FL/Fl_Color_Chooser.H>
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void color_button_cb(Fl_Button* w, void*) {
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Fl_Color c = w->color();
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uchar r,g,b; Fl::get_color(c, r,g,b);
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if (fl_color_chooser(0,r,g,b)) {
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if (c == FL_GRAY) Fl::background(r,g,b);
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else Fl::set_color(c,r,g,b);
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Fl::redraw();
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}
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}
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// functions hidden inside fl_boxtype.C:
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void fl_thin_down_frame(int, int, int, int, Fl_Color);
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void fl_thin_up_frame(int, int, int, int, Fl_Color);
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void fl_thin_down_box(int, int, int, int, Fl_Color);
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void fl_thin_up_box(int, int, int, int, Fl_Color);
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void fl_down_frame(int, int, int, int, Fl_Color);
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void fl_up_frame(int, int, int, int, Fl_Color);
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void fl_down_box(int, int, int, int, Fl_Color);
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void fl_up_box(int, int, int, int, Fl_Color);
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// define the 2-pixel boxes:
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#include <FL/fl_draw.H>
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void fl_2_up_frame(int x, int y, int w, int h, Fl_Color) {
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fl_frame2("AAPPMMWU",x,y,w,h);
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}
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void fl_2_up_box(int x, int y, int w, int h, Fl_Color c) {
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fl_2_up_frame(x,y,w,h,c);
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fl_color(c); fl_rectf(x+2, y+2, w-4, h-4);
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}
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void fl_2_down_frame(int x, int y, int w, int h, Fl_Color) {
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fl_frame2("UWMMPPAA",x,y,w,h);
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}
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void fl_2_down_box(int x, int y, int w, int h, Fl_Color c) {
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fl_2_down_frame(x,y,w,h,c);
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fl_color(c); fl_rectf(x+2, y+2, w-4, h-4);
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}
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void box_thickness_cb(Fl_Value_Slider*v, void*) {
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switch (int(v->value())) {
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case 1:
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Fl::set_boxtype(FL_UP_BOX, fl_thin_up_box, 1,1,2,2);
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Fl::set_boxtype(FL_DOWN_BOX, fl_thin_down_box, 1,1,2,2);
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Fl::set_boxtype(FL_UP_FRAME, fl_thin_up_frame, 1,1,2,2);
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Fl::set_boxtype(FL_DOWN_FRAME, fl_thin_down_frame, 1,1,2,2);
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break;
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case 2:
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Fl::set_boxtype(FL_UP_BOX, fl_2_up_box, 2,2,4,4);
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Fl::set_boxtype(FL_DOWN_BOX, fl_2_down_box, 2,2,4,4);
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Fl::set_boxtype(FL_UP_FRAME, fl_2_up_frame, 2,2,4,4);
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Fl::set_boxtype(FL_DOWN_FRAME, fl_2_down_frame, 2,2,4,4);
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break;
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default:
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Fl::set_boxtype(FL_UP_BOX, fl_up_box, 3,3,6,6);
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Fl::set_boxtype(FL_DOWN_BOX, fl_down_box, 3,3,6,6);
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Fl::set_boxtype(FL_UP_FRAME, fl_up_frame, 3,3,6,6);
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Fl::set_boxtype(FL_DOWN_FRAME, fl_down_frame, 3,3,6,6);
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break;
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}
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Fl::redraw();
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}
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void text_box_thickness_cb(Fl_Value_Slider* v, void*) {
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int n = int(v->value());
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switch (n) {
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case 0: Fl_Input_::default_box(FL_FLAT_BOX); break;
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case 1: Fl_Input_::default_box(FL_THIN_DOWN_BOX); break;
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case 2: Fl_Input_::default_box(FL_DOWN_BOX); break;
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}
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Fl::redraw();
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}
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void scrollbar_thickness_cb(Fl_Value_Slider* v, void*) {
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Fl_Browser::scrollbar_width(int(v->value()));
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Fl::redraw();
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}
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#include <FL/fl_ask.H>
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void defaults_cb(Fl_Button*, void*) {
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fl_alert("Sorry, I didn't implement that");
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}
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