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-rw-r--r--examples/gui/mywidget.c272
1 files changed, 136 insertions, 136 deletions
diff --git a/examples/gui/mywidget.c b/examples/gui/mywidget.c
index 095e8a5695..24ff207627 100644
--- a/examples/gui/mywidget.c
+++ b/examples/gui/mywidget.c
@@ -1,136 +1,136 @@
-#include <rtgui/dc.h>
-#include "mywidget.h"
-
-/* 控件绘图函数 */
-static void rtgui_mywidget_ondraw(struct rtgui_mywidget* me)
-{
- struct rtgui_dc* dc;
- struct rtgui_rect rect;
- rt_uint16_t x, y;
-
- /* 获得目标DC，开始绘�?*/
- dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(me));
- if (dc == RT_NULL) return;
-
- /* 获得窗口的尺�?*/
- rtgui_widget_get_rect(RTGUI_WIDGET(me), &rect);
- /* 绘制背景�?*/
- RTGUI_DC_BC(dc) = white;
- rtgui_dc_fill_rect(dc, &rect);
-
- /* 计算中心原点 */
- x = (rect.x2 + rect.x1)/2;
- y = (rect.y2 + rect.y1)/2;
-
- /* 绘制十字�?*/
- RTGUI_DC_FC(dc) = black;
- rtgui_dc_draw_hline(dc, rect.x1, rect.x2, y);
- rtgui_dc_draw_vline(dc, x, rect.y1, rect.y2);
-
- /* 根据状态绘制圆�?*/
- if (me->status == MYWIDGET_STATUS_ON)
- RTGUI_DC_FC(dc) = green;
- else
- RTGUI_DC_FC(dc) = red;
- rtgui_dc_fill_circle(dc, x, y, 5);
-
- /* 结束绘图 */
- rtgui_dc_end_drawing(dc);
- return;
-}
-
-/* 鼠标事件处理函数 */
-static void rtgui_mywidget_onmouse(struct rtgui_mywidget* me, struct rtgui_event_mouse* mouse)
-{
- struct rtgui_rect rect;
- rt_uint16_t x, y;
-
- /* 仅对鼠标抬起动作进行处理 */
- if (!(mouse->button & RTGUI_MOUSE_BUTTON_UP)) return;
-
- /* 获得控件的位�?*/
- rtgui_widget_get_rect(RTGUI_WIDGET(me), &rect);
- /* get_rect函数获得是控件的相对位置，而鼠标事件给出的坐标是绝对坐标，需要做一个转�?*/
- rtgui_widget_rect_to_device(RTGUI_WIDGET(me), &rect);
-
- /* 计算中心原点 */
- x = (rect.x2 + rect.x1)/2;
- y = (rect.y2 + rect.y1)/2;
-
- /* 比较鼠标坐标是否在圈�?*/
- if ((mouse->x < x + 5 && mouse->x > x - 5) &&
- (mouse->y < y + 5 && mouse->y > y - 5))
- {
- /* 更改控件状�?*/
- if (me->status & MYWIDGET_STATUS_ON) me->status = MYWIDGET_STATUS_OFF;
- else me->status = MYWIDGET_STATUS_ON;
-
- /* 刷新(重新绘制)控件 */
- rtgui_mywidget_ondraw(me);
- }
-}
-
-/* mywidget控件的事件处理函�?*/
-rt_bool_t rtgui_mywidget_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
-{
- /* 调用事件处理函数时，widget指针指向控件本身，所以先获得相应控件对象的指�?*/
- struct rtgui_mywidget* me = RTGUI_MYWIDGET(widget);
-
- switch (event->type)
- {
- case RTGUI_EVENT_PAINT:
- /* 绘制事件，调用绘图函数绘�?*/
- rtgui_mywidget_ondraw(me);
- break;
-
- case RTGUI_EVENT_MOUSE_BUTTON:
- /* 鼠标事件 */
- rtgui_mywidget_onmouse(RTGUI_MYWIDGET(me), (struct rtgui_event_mouse*) event);
- break;
-
- /* 其他事件调用父类的事件处理函�?*/
- default:
- return rtgui_widget_event_handler(widget, event);
- }
-
- return RT_FALSE;
-}
-
-/* 自定义控件的构造函�?*/
-static void _rtgui_mywidget_constructor(rtgui_mywidget_t *mywidget)
-{
- /* 默认这个控件接收聚焦 */
- RTGUI_WIDGET(mywidget)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
- /* 初始化控件并设置事件处理函数 */
- rtgui_widget_set_event_handler(RTGUI_WIDGET(mywidget), rtgui_mywidget_event_handler);
-
- /* 初始状态时OFF */
- mywidget->status = MYWIDGET_STATUS_OFF;
-}
-
-DEFINE_CLASS_TYPE(mywidget, "mywidget",
- RTGUI_WIDGET_TYPE,
- _rtgui_mywidget_constructor,
- RT_NULL,
- sizeof(struct rtgui_mywidget));
-
-/* 创建一个自定义控件 */
-struct rtgui_mywidget* rtgui_mywidget_create(rtgui_rect_t* r)
-{
- struct rtgui_mywidget* me;
-
- /* 让rtgui_widget创建出一个指定类型：RTGUI_MYWIDGET_TYPE类型的控�?*/
- me = (struct rtgui_mywidget*) rtgui_widget_create (RTGUI_MYWIDGET_TYPE);
- if (me != RT_NULL)
- {
- rtgui_widget_set_rect(RTGUI_WIDGET(me), r);
- }
-
- return me;
-}
-
-/* 删除一个自定义控件 */
-void rtgui_mywidget_destroy(struct rtgui_mywidget* me)
-{
- rtgui_widget_destroy(RTGUI_WIDGET(me));
-}
+#include <rtgui/dc.h>
+#include "mywidget.h"
+
+/* 控件绘图函数 */
+static void rtgui_mywidget_ondraw(struct rtgui_mywidget* me)
+{
+ struct rtgui_dc* dc;
+ struct rtgui_rect rect;
+ rt_uint16_t x, y;
+
+ /* 获得目标DC，开始绘�?*/
+ dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(me));
+ if (dc == RT_NULL) return;
+
+ /* 获得窗口的尺�?*/
+ rtgui_widget_get_rect(RTGUI_WIDGET(me), &rect);
+ /* 绘制背景�?*/
+ RTGUI_DC_BC(dc) = white;
+ rtgui_dc_fill_rect(dc, &rect);
+
+ /* 计算中心原点 */
+ x = (rect.x2 + rect.x1)/2;
+ y = (rect.y2 + rect.y1)/2;
+
+ /* 绘制十字�?*/
+ RTGUI_DC_FC(dc) = black;
+ rtgui_dc_draw_hline(dc, rect.x1, rect.x2, y);
+ rtgui_dc_draw_vline(dc, x, rect.y1, rect.y2);
+
+ /* 根据状态绘制圆�?*/
+ if (me->status == MYWIDGET_STATUS_ON)
+ RTGUI_DC_FC(dc) = green;
+ else
+ RTGUI_DC_FC(dc) = red;
+ rtgui_dc_fill_circle(dc, x, y, 5);
+
+ /* 结束绘图 */
+ rtgui_dc_end_drawing(dc);
+ return;
+}
+
+/* 鼠标事件处理函数 */
+static void rtgui_mywidget_onmouse(struct rtgui_mywidget* me, struct rtgui_event_mouse* mouse)
+{
+ struct rtgui_rect rect;
+ rt_uint16_t x, y;
+
+ /* 仅对鼠标抬起动作进行处理 */
+ if (!(mouse->button & RTGUI_MOUSE_BUTTON_UP)) return;
+
+ /* 获得控件的位�?*/
+ rtgui_widget_get_rect(RTGUI_WIDGET(me), &rect);
+ /* get_rect函数获得是控件的相对位置，而鼠标事件给出的坐标是绝对坐标，需要做一个转�?*/
+ rtgui_widget_rect_to_device(RTGUI_WIDGET(me), &rect);
+
+ /* 计算中心原点 */
+ x = (rect.x2 + rect.x1)/2;
+ y = (rect.y2 + rect.y1)/2;
+
+ /* 比较鼠标坐标是否在圈�?*/
+ if ((mouse->x < x + 5 && mouse->x > x - 5) &&
+ (mouse->y < y + 5 && mouse->y > y - 5))
+ {
+ /* 更改控件状�?*/
+ if (me->status & MYWIDGET_STATUS_ON) me->status = MYWIDGET_STATUS_OFF;
+ else me->status = MYWIDGET_STATUS_ON;
+
+ /* 刷新(重新绘制)控件 */
+ rtgui_mywidget_ondraw(me);
+ }
+}
+
+/* mywidget控件的事件处理函�?*/
+rt_bool_t rtgui_mywidget_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
+{
+ /* 调用事件处理函数时，widget指针指向控件本身，所以先获得相应控件对象的指�?*/
+ struct rtgui_mywidget* me = RTGUI_MYWIDGET(widget);
+
+ switch (event->type)
+ {
+ case RTGUI_EVENT_PAINT:
+ /* 绘制事件，调用绘图函数绘�?*/
+ rtgui_mywidget_ondraw(me);
+ break;
+
+ case RTGUI_EVENT_MOUSE_BUTTON:
+ /* 鼠标事件 */
+ rtgui_mywidget_onmouse(RTGUI_MYWIDGET(me), (struct rtgui_event_mouse*) event);
+ break;
+
+ /* 其他事件调用父类的事件处理函�?*/
+ default:
+ return rtgui_widget_event_handler(RTGUI_OBJECT(widget), event);
+ }
+
+ return RT_FALSE;
+}
+
+/* 自定义控件的构造函�?*/
+static void _rtgui_mywidget_constructor(rtgui_mywidget_t *mywidget)
+{
+ /* 默认这个控件接收聚焦 */
+ RTGUI_WIDGET(mywidget)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
+ /* 初始化控件并设置事件处理函数 */
+ rtgui_object_set_event_handler(RTGUI_OBJECT(mywidget), rtgui_mywidget_event_handler);
+
+ /* 初始状态时OFF */
+ mywidget->status = MYWIDGET_STATUS_OFF;
+}
+
+DEFINE_CLASS_TYPE(mywidget, "mywidget",
+ RTGUI_WIDGET_TYPE,
+ _rtgui_mywidget_constructor,
+ RT_NULL,
+ sizeof(struct rtgui_mywidget));
+
+/* 创建一个自定义控件 */
+struct rtgui_mywidget* rtgui_mywidget_create(rtgui_rect_t* r)
+{
+ struct rtgui_mywidget* me;
+
+ /* 让rtgui_widget创建出一个指定类型：RTGUI_MYWIDGET_TYPE类型的控�?*/
+ me = (struct rtgui_mywidget*) rtgui_widget_create (RTGUI_MYWIDGET_TYPE);
+ if (me != RT_NULL)
+ {
+ rtgui_widget_set_rect(RTGUI_WIDGET(me), r);
+ }
+
+ return me;
+}
+
+/* 删除一个自定义控件 */
+void rtgui_mywidget_destroy(struct rtgui_mywidget* me)
+{
+ rtgui_widget_destroy(RTGUI_WIDGET(me));
+}
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