move to components directory

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@638 bbd45198-f89e-11dd-88c7-29a3b14d5316
2025-10-24 04:03:59 +08:00 · 2010-04-18 15:05:20 +00:00
parent 1df014578a
commit f908d62a40
1013 changed files with 0 additions and 0 deletions
--- a/components/rtgui/widgets/checkbox.c
+++ b/components/rtgui/widgets/checkbox.c
@@ -0,0 +1,140 @@
+#include <rtgui/dc.h>
+#include <rtgui/rtgui_theme.h>
+#include <rtgui/widgets/checkbox.h>
+
+static void _rtgui_checkbox_constructor(rtgui_checkbox_t *box)
+{
+	/* init widget and set event handler */
+	RTGUI_WIDGET(box)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
+	rtgui_widget_set_event_handler(RTGUI_WIDGET(box), rtgui_checkbox_event_handler);
+
+	/* set status */
+	box->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED;
+
+	/* set default gc */
+	RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(box)) = RTGUI_ALIGN_LEFT | RTGUI_ALIGN_CENTER_VERTICAL;
+}
+
+rtgui_type_t *rtgui_checkbox_type_get(void)
+{
+	static rtgui_type_t *checkbox_type = RT_NULL;
+
+	if (!checkbox_type)
+	{
+		checkbox_type = rtgui_type_create("checkbox", RTGUI_LABEL_TYPE,
+			sizeof(rtgui_checkbox_t), RTGUI_CONSTRUCTOR(_rtgui_checkbox_constructor), RT_NULL);
+	}
+
+	return checkbox_type;
+}
+
+rt_bool_t rtgui_checkbox_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
+{
+	struct rtgui_checkbox* box = (struct rtgui_checkbox*)widget;
+
+	switch (event->type)
+	{
+	case RTGUI_EVENT_PAINT:
+#ifndef RTGUI_USING_SMALL_SIZE
+		if (widget->on_draw != RT_NULL)
+		{
+			return widget->on_draw(widget, event);
+		}
+		else
+#endif
+			rtgui_theme_draw_checkbox(box);
+		break;
+
+	case RTGUI_EVENT_MOUSE_BUTTON:
+		{
+			if (RTGUI_WIDGET_IS_ENABLE(widget) && !RTGUI_WIDGET_IS_HIDE(widget))
+			{
+				struct rtgui_event_mouse* emouse = (struct rtgui_event_mouse*)event;
+				if (emouse->button & RTGUI_MOUSE_BUTTON_LEFT &&
+					emouse->button & RTGUI_MOUSE_BUTTON_UP)
+				{
+					/* set focus */
+					rtgui_widget_focus(widget);
+
+					if (box->status_down & RTGUI_CHECKBOX_STATUS_UNCHECKED)
+					{
+						/* check it */
+						box->status_down = RTGUI_CHECKBOX_STATUS_CHECKED;
+					}
+					else
+					{
+						/* un-check it */
+						box->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED;
+					}
+				}
+
+				/* draw checkbox */
+				rtgui_theme_draw_checkbox(box);
+
+#ifndef RTGUI_USING_SMALL_SIZE
+				/* call user callback */
+				if (widget->on_mouseclick != RT_NULL)
+				{
+					return widget->on_mouseclick(widget, event);
+				}
+#endif
+			}
+
+			return RT_TRUE;
+		}
+	}
+
+	return RT_FALSE;
+}
+
+struct rtgui_checkbox* rtgui_checkbox_create(unsigned char* text, rt_bool_t checked)
+{
+    struct rtgui_checkbox* box;
+
+    box = (struct rtgui_checkbox*) rtgui_widget_create (RTGUI_CHECKBOX_TYPE);
+    if (box != RT_NULL)
+    {
+		rtgui_rect_t rect;
+
+		/* set default rect */
+		rtgui_font_get_metrics(rtgui_font_default(), text, &rect);
+		rect.x2 += RTGUI_BORDER_DEFAULT_WIDTH + 5 + (RTGUI_BORDER_DEFAULT_WIDTH << 1);
+		rect.y2 += (RTGUI_BORDER_DEFAULT_WIDTH << 1);
+
+		rtgui_widget_set_rect(RTGUI_WIDGET(box), &rect);
+		rtgui_label_set_text(RTGUI_LABEL(box), text);
+		
+		if (checked == RT_TRUE)
+			box->status_down = RTGUI_CHECKBOX_STATUS_CHECKED;
+		else
+			box->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED;
+	}
+
+	return box;
+}
+
+void rtgui_checkbox_destroy(rtgui_checkbox_t* box)
+{
+	rtgui_widget_destroy(RTGUI_WIDGET(box));
+}
+
+void rtgui_checkbox_set_checked(rtgui_checkbox_t* checkbox, rt_bool_t checked)
+{
+	RT_ASSERT(checkbox != RT_NULL);
+	if (checked == RT_TRUE)
+		checkbox->status_down = RTGUI_CHECKBOX_STATUS_CHECKED;
+	else
+		checkbox->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED;
+		
+}
+
+rt_bool_t rtgui_checkbox_get_checked(rtgui_checkbox_t* checkbox)
+{
+	RT_ASSERT(checkbox != RT_NULL);
+
+	if (checkbox->status_down == RTGUI_CHECKBOX_STATUS_CHECKED)
+		return RT_TRUE;
+
+	return RT_FALSE;
+}
+