Alec Murphy
5f10e5f86d
The Calculator isn't functional yet, but when it eventually does work, it will be helpful to not duplicate every number keypress when the result input widget is focused. :^)
102 lines
No EOL
3.2 KiB
HolyC
102 lines
No EOL
3.2 KiB
HolyC
Gui.App();
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#define CALC_OP_ADD 0
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#define CALC_OP_SUB 1
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#define CALC_OP_MUL 2
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#define CALC_OP_DIV 3
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class @calc_entry
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{
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I64 op;
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F64 entry;
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};
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Window* win = NULL;
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TextInputWidget* result = NULL;
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U8* calc_font = "Eight Bit Dragon";
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U8* @calc_button_label[27] = { "Back", "CE", "C", "MC", "7", "8", "9",
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"/", "sqrt", "MR", "4", "5", "6", "*",
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"%", "MS", "1", "2", "3", "-", "1/x",
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"M+", "0", "+/-", ".", "+", "=" };
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U0 @calc_keypress_callback(Window*, I64 key)
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{
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if (win != Compositor.active_win)
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return;
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if (win->focused_widget == result)
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return;
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U8* res_text = result->text;
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switch (ScanCode2Char(key)) {
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case '0' ... '9':
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StrPrint(res_text + StrLen(res_text), "%c", ScanCode2Char(key));
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break;
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}
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}
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U0 @calc_btn_callback(ButtonWidget* widget)
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{
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U8* res_text = result->text;
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if (Str2I64(widget->text)) {
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StrCpy(res_text + StrLen(res_text), widget->text);
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}
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if (!StrCmp(widget->text, "0"))
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StrCpy(res_text + StrLen(res_text), widget->text);
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}
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U0 window_close(Window* win)
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{
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if (win == Compositor.active_win)
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Gui.Window.SetFocus(Compositor.GetWindowByTitle("Wallpaper"));
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Compositor.UnregisterForGlobalInputEvents(win);
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Compositor.DestroyWindow(win);
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}
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U0 Main()
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{
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I64 i;
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I64 j;
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I64 k;
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U64 flags = WIN_FLAGS_DEFAULT;
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flags &= ~WIN_FLAGS_RESIZABLE;
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flags &= ~WIN_FLAGS_MAX_BUTTON;
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win = Compositor.CreateWindow(224, 224, 233, 240, flags);
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Gui.Window.SetTitle(win, "Calculator");
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Compositor.RegisterForGlobalInputEvents(win);
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Gui.Window.SetIcon(win, Image.FileToContext2D("window_icon_16x16.png"));
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Gui.Window.SetFocus(win);
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Gui.Window.SetCallback(win, "close", &window_close);
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Gui.Window.SetCallback(win, "keypress", &@calc_keypress_callback);
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result = Gui.CreateWidget(win, WIDGET_TYPE_INPUT, 4, 4, 246, 24);
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Gui.Widget.SetFont(result, calc_font);
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ButtonWidget* calc_btn[27];
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for (i = 0; i < 4; i++) {
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if (i < 3) {
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calc_btn[i] = Gui.CreateWidget(win, WIDGET_TYPE_BUTTON, 46 + (60 * i), 32, 56, 32);
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calc_btn[i]->color = Color(255, 0, 0);
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Gui.Widget.SetText(calc_btn[i], @calc_button_label[i]);
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Gui.Widget.SetFont(calc_btn[i], calc_font);
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Gui.Widget.SetCallback(calc_btn[i], "clicked", &@calc_btn_callback);
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}
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j = 3 + (6 * i);
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calc_btn[j] = Gui.CreateWidget(win, WIDGET_TYPE_BUTTON, 4, 68 + (36 * i), 32, 32);
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calc_btn[j]->color = Color(255, 0, 0);
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Gui.Widget.SetText(calc_btn[j], @calc_button_label[j]);
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Gui.Widget.SetFont(calc_btn[j], calc_font);
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Gui.Widget.SetCallback(calc_btn[j], "clicked", &@calc_btn_callback);
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for (k = 1; k < 6; k++) {
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calc_btn[j + k] = Gui.CreateWidget(win, WIDGET_TYPE_BUTTON, 10 + (36 * k),
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68 + (36 * i), 32, 32);
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calc_btn[j + k]->color = T(k == 4 || k == 5 && i == 3, Color(255, 0, 0), Color(0, 0, 255));
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Gui.Widget.SetText(calc_btn[j + k], @calc_button_label[j + k]);
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Gui.Widget.SetFont(calc_btn[j + k], calc_font);
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Gui.Widget.SetCallback(calc_btn[j + k], "clicked", &@calc_btn_callback);
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}
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}
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Suspend;
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}
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Main; |