132 lines
2.9 KiB
C
132 lines
2.9 KiB
C
// 17 january 2017
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#include "drawtext.h"
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static uiWindow *mainwin;
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static uiBox *box;
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static uiCombobox *exampleList;
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static uiArea *area;
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static uiAreaHandler handler;
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#define nExamples 20
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static struct example *examples[nExamples];
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static int curExample = 0;
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static void onExampleChanged(uiCombobox *c, void *data)
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{
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uiControlHide(examples[curExample]->panel);
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curExample = uiComboboxSelected(exampleList);
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uiControlShow(examples[curExample]->panel);
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redraw();
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}
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void redraw(void)
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{
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uiAreaQueueRedrawAll(area);
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}
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static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *p)
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{
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examples[curExample]->draw(p);
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}
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static void handlerMouseEvent(uiAreaHandler *a, uiArea *area, uiAreaMouseEvent *e)
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{
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if (examples[curExample]->mouse != NULL)
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examples[curExample]->mouse(e);
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}
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static void handlerMouseCrossed(uiAreaHandler *ah, uiArea *a, int left)
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{
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// do nothing
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}
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static void handlerDragBroken(uiAreaHandler *ah, uiArea *a)
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{
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// do nothing
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}
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static int handlerKeyEvent(uiAreaHandler *ah, uiArea *a, uiAreaKeyEvent *e)
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{
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if (examples[curExample]->key != NULL)
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return examples[curExample]->key(e);
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return 0;
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}
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static int onClosing(uiWindow *w, void *data)
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{
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uiControlDestroy(uiControl(mainwin));
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uiQuit();
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return 0;
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}
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static int shouldQuit(void *data)
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{
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uiControlDestroy(uiControl(mainwin));
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return 1;
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}
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int main(void)
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{
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uiInitOptions o;
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const char *err;
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int n;
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handler.Draw = handlerDraw;
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handler.MouseEvent = handlerMouseEvent;
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handler.MouseCrossed = handlerMouseCrossed;
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handler.DragBroken = handlerDragBroken;
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handler.KeyEvent = handlerKeyEvent;
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memset(&o, 0, sizeof (uiInitOptions));
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err = uiInit(&o);
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if (err != NULL) {
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fprintf(stderr, "error initializing ui: %s\n", err);
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uiFreeInitError(err);
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return 1;
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}
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uiOnShouldQuit(shouldQuit, NULL);
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mainwin = uiNewWindow("libui Text-Drawing Example", 640, 480, 1);
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uiWindowOnClosing(mainwin, onClosing, NULL);
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box = uiNewVerticalBox();
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uiWindowSetChild(mainwin, uiControl(box));
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exampleList = uiNewCombobox();
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uiBoxAppend(box, uiControl(exampleList), 0);
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area = uiNewArea(&handler);
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uiBoxAppend(box, uiControl(area), 1);
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n = 0;
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examples[n] = mkBasicExample();
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uiComboboxAppend(exampleList, examples[n]->name);
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uiControlHide(examples[n]->panel);
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uiBoxAppend(box, examples[n]->panel, 0);
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n++;
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examples[n] = mkHitTestExample();
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uiComboboxAppend(exampleList, examples[n]->name);
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uiControlHide(examples[n]->panel);
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uiBoxAppend(box, examples[n]->panel, 0);
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n++;
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examples[n] = mkAttributesExample();
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uiComboboxAppend(exampleList, examples[n]->name);
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uiControlHide(examples[n]->panel);
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uiBoxAppend(box, examples[n]->panel, 0);
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n++;
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// and set things up for the initial state
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uiComboboxSetSelected(exampleList, 0);
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uiComboboxOnSelected(exampleList, onExampleChanged, NULL);
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// and set up the first one
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onExampleChanged(NULL, NULL);
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uiControlShow(uiControl(mainwin));
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uiMain();
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// TODO free examples
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uiUninit();
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return 0;
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}
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