151 lines
2.7 KiB
R
151 lines
2.7 KiB
R
#include "qwaq-button.h"
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#include "qwaq-listener.h"
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@implementation Button
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-initWithPos: (Point) pos releasedIcon: (DrawBuffer *) released
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pressedIcon: (DrawBuffer *) pressed
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{
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Extent size = mergeExtents ([released size], [pressed size]);
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if (!(self = [super initWithRect: {pos, size}])) {
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return nil;
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}
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icon[0] = released;
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icon[1] = pressed;
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onPress = [[ListenerGroup alloc] init];
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onRelease = [[ListenerGroup alloc] init];
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onClick = [[ListenerGroup alloc] init];
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onDrag = [[ListenerGroup alloc] init];
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onAuto = [[ListenerGroup alloc] init];
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onHover = [[ListenerGroup alloc] init];
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return self;
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}
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-initWithRect: (Rect) rect
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{
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if (!(self = [super initWithRect: rect])) {
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return nil;
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}
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icon[0] = nil;
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icon[1] = nil;
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onPress = [[ListenerGroup alloc] init];
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onRelease = [[ListenerGroup alloc] init];
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onClick = [[ListenerGroup alloc] init];
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onDrag = [[ListenerGroup alloc] init];
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onAuto = [[ListenerGroup alloc] init];
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onHover = [[ListenerGroup alloc] init];
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return self;
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}
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-draw
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{
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[super draw];
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if (icon[pressed]) {
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[textContext blitFromBuffer: icon[pressed]
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to: pos
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from: [icon[pressed] rect]];
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}
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return self;
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}
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-handleEvent: (qwaq_event_t *) event
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{
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ListenerGroup *action = nil;
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if (event.what & qe_mouse) {
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switch ((qwaq_mouse_event) (event.what & qe_mouse)) {
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case qe_mousedown:
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pressed = 1;
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click = 0;
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dragBase = {event.mouse.x, event.mouse.y};
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action = onPress;
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[self grabMouse];
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[self redraw];
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break;
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case qe_mouseup:
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pressed = 0;
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click = 0;
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action = onRelease;
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[self releaseMouse];
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if ([self containsPoint: {event.mouse.x, event.mouse.y}]) {
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[onClick respond: self];
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}
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[self redraw];
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break;
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case qe_mouseclick:
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action = onClick;
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click = event.mouse.click;
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break;
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case qe_mousemove:
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click = 0;
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if (pressed) {
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dragPos = {event.mouse.x, event.mouse.y};
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action = onDrag;
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}
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break;
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case qe_mouseauto:
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if (pressed
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&& [self containsPoint: {event.mouse.x, event.mouse.y}]) {
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click = 0;
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action = onAuto;
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}
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break;
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}
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if (action) {
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[action respond: self];
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}
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}
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return self;
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}
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-(ListenerGroup *) onPress
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{
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return onPress;
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}
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-(ListenerGroup *) onRelease
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{
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return onRelease;
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}
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-(ListenerGroup *) onClick
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{
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return onClick;
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}
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-(ListenerGroup *) onDrag
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{
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return onDrag;
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}
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-(ListenerGroup *) onAuto
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{
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return onAuto;
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}
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-(ListenerGroup *) onHover
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{
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return onHover;
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}
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- (int) click
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{
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return click;
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}
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- (Point) delta
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{
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return {dragPos.x - dragBase.x, dragPos.y - dragBase.y};
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}
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-move:(Point) delta
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{
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Point pos = self.pos;
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[super move:delta];
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dragBase.x += self.pos.x - pos.x;
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dragBase.y += self.pos.y - pos.y;
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return self;
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}
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@end
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