update combobox widget

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1179 bbd45198-f89e-11dd-88c7-29a3b14d5316

components/rtgui/include/rtgui/widgets/combobox.h

@@ -32,6 +32,8 @@ struct rtgui_combobox
 	/* pull down window */
 	struct rtgui_win* pd_win;
 	rt_bool_t pd_pressed;
+	rt_uint16_t pd_win_width;
+	rt_uint16_t pd_win_height;
 
 	/* combobox items */
 	struct rtgui_combobox_item* items;
@@ -48,6 +50,6 @@ rtgui_combobox_t *rtgui_combobox_create();
 void rtgui_combobox_destroy(rtgui_combobox_t* box);
 
 rt_bool_t rtgui_combobox_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
-struct rtgui_item* rtgui_combox_get_select(struct rtgui_combobox* box);
+struct rtgui_combobox_item* rtgui_combox_get_select(struct rtgui_combobox* box);
 
 #endif

components/rtgui/include/rtgui/widgets/menu.h

@@ -0,0 +1,79 @@
+#ifndef __RTGUI_MENU_H__
+#define __RTGUI_MENU_H__
+
+#include <rtgui/image.h>
+#include <rtgui/widgets/label.h>
+#include <rtgui/widgets/window.h>
+
+/* rtgui menu item */
+enum rtgui_menu_item_type
+{
+	RTGUI_ITEM_NORMAL,
+	RTGUI_ITEM_CHECK,
+	RTGUI_ITEM_SUBMENU,
+	RTGUI_ITEM_SEPARATOR
+};
+typedef enum rtgui_menu_item_type rtgui_menu_item_type_t;
+
+struct rtgui_menu_item
+{
+	rtgui_menu_item_type_t type;
+
+	/* menu text label */
+	const char* label;
+	/* menu image */
+	rtgui_image_t *image;
+	/* parent menu */
+	struct rtgui_menu *parent_menu, *sub_menu;
+
+	/* menu action */
+	rt_bool_t (*on_menuaction)(rtgui_widget_t* widget, rtgui_event_t* event);
+};
+typedef struct rtgui_menu_item rtgui_menu_item_t;
+
+/** Gets the type of a menu */
+#define RTGUI_MENU_TYPE       (rtgui_menu_type_get())
+/** Casts the object to an rtgui_menu */
+#define RTGUI_MENU(obj)       (RTGUI_OBJECT_CAST((obj), RTGUI_MENU_TYPE, rtgui_menu_t))
+/** Checks if the object is an rtgui_menu */
+#define RTGUI_IS_MENU(obj)    (RTGUI_OBJECT_CHECK_TYPE((obj), RTGUI_MENU_TYPE))
+
+#define RTGUI_MENU_DEFAULT_WIDTH	100
+
+struct rtgui_menu_item;
+
+struct rtgui_menu
+{
+	/* inherited from window */
+	struct rtgui_win parent;
+
+	/* menu items */
+	const struct rtgui_menu_item *items;
+	rt_uint16_t items_count;
+	rt_uint16_t current_item;
+
+	/* parent item */
+	struct rtgui_menu_item *parent_item;
+
+	/* pop event handle */
+	rt_bool_t (*on_menupop)(rtgui_widget_t* widget, rtgui_event_t* event);
+	rt_bool_t (*on_menuhide)(rtgui_widget_t* widget, rtgui_event_t* event);
+};
+typedef struct rtgui_menu rtgui_menu_t;
+
+rtgui_type_t *rtgui_menu_type_get(void);
+
+struct rtgui_menu* rtgui_menu_create(const char* title);
+void rtgui_menu_destroy(struct rtgui_menu* menu);
+
+void rtgui_menu_set_onmenupop(struct rtgui_menu* menu, rtgui_event_handler_ptr handler);
+void rtgui_menu_set_onmenuhide(struct rtgui_menu* menu, rtgui_event_handler_ptr handler);
+
+void rtgui_menu_pop(struct rtgui_menu* menu, int x, int y);
+rtgui_menu_item_t* rtgui_menu_item_new(struct rtgui_menu* menu, char* text, int type,
+	rt_bool_t (*on_menu)(rtgui_widget_t* widget, rtgui_event_t* event));
+rtgui_menu_item_t* rtgui_menu_item_new_separator(struct rtgui_menu* menu);
+void rtgui_menu_item_add(struct rtgui_menu* menu, struct rtgui_menu_item* item);
+struct rtgui_menu_item* rtgui_menu_get_first_item(struct rtgui_menu* menu);
+
+#endif

components/rtgui/widgets/combobox.c

@@ -2,6 +2,8 @@
 #include <rtgui/widgets/combobox.h>
 
 static rt_bool_t rtgui_combobox_pulldown_hide(struct rtgui_widget* widget, struct rtgui_event* event);
+const static rt_uint8_t down_arrow[]  = {0xff, 0x7e, 0x3c, 0x18};
+const static rt_uint8_t right_arrow[] = {0x80, 0xc0, 0xe0, 0xf0, 0xe0, 0xc0, 0x80};
 
 static void _rtgui_combobox_constructor(rtgui_combobox_t *box)
 {
@@ -88,7 +90,7 @@ static void rtgui_combobox_ondraw(struct rtgui_combobox* box)
 	rtgui_rect_inflate(&rect, -1);
 	if (box->pd_pressed == RT_TRUE) rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
 	else rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_RAISE);
-	rtgui_dc_draw_arraw(dc, &rect, RTGUI_ARRAW_DOWN);
+	rtgui_dc_draw_byte(dc, rect.x1, rect.y1, rect.y2, down_arrow);
 
 	/* end drawing */
 	rtgui_dc_end_drawing(dc);
@@ -123,7 +125,6 @@ static rt_bool_t rtgui_combobox_onmouse_button(struct rtgui_combobox* box, struc
 			if (box->pd_win != RT_NULL)
 			{
 				struct rtgui_rect r;
-				rtgui_box_t* pd_win_box;
 
 				r.x1 = RTGUI_WIDGET(box)->extent.x1;
 				r.y1 = RTGUI_WIDGET(box)->extent.y2 + 2;
@@ -131,12 +132,6 @@ static rt_bool_t rtgui_combobox_onmouse_button(struct rtgui_combobox* box, struc
 				r.y2 = r.y1 + box->pd_win_height;
 
 				rtgui_win_set_rect(RTGUI_WIN(box->pd_win), &r);
-				pd_win_box = (rtgui_box_t*) rtgui_container_get_first_child(RTGUI_CONTAINER(box->pd_win));
-				if (pd_win_box != RT_NULL)
-				{
-					RTGUI_WIDGET(pd_win_box)->extent = RTGUI_WIDGET(box->pd_win)->extent;
-					rtgui_box_layout(pd_win_box);
-				}
 
 				/* show combo box pull down window */
 				rtgui_win_show(RTGUI_WIN(box->pd_win), RT_FALSE);
@@ -178,18 +173,6 @@ rt_bool_t rtgui_combobox_event_handler(struct rtgui_widget* widget, struct rtgui
 			item = (struct rtgui_item*) (focused->widget);
 			if (item != RT_NULL)
 			{
-				if (box->pd_select != RT_NULL)
-				{
-					/* un-select old item */
-					rtgui_item_selected(box->pd_select, RT_FALSE);
-				}
-
-				box->pd_select = item;
-				if (box->on_selected != RT_NULL)
-				{
-					box->on_selected(RTGUI_WIDGET(box), RT_NULL);
-				}
-
 				/* hide pull down window */
 				rtgui_win_hiden(RTGUI_WIN(box->pd_win));
 				rtgui_combobox_ondraw(box);
@@ -210,12 +193,6 @@ static rt_bool_t rtgui_combobox_pulldown_hide(struct rtgui_widget* widget, struc
 	box = (struct rtgui_combobox*) (((struct rtgui_win*)widget)->user_data);
 	if (box == RT_NULL) return RT_TRUE;
 
-	/* clear select item */
-	if (box->pd_select != RT_NULL)
-	{
-		rtgui_item_selected(box->pd_select, RT_FALSE);
-	}
-
 	/* hide pull down window */
 	rtgui_win_hiden(RTGUI_WIN(box->pd_win));
 
@@ -226,7 +203,7 @@ static rt_bool_t rtgui_combobox_pulldown_hide(struct rtgui_widget* widget, struc
 	return RT_TRUE;
 }
 
-struct rtgui_item* rtgui_combox_get_select(struct rtgui_combobox* box)
+struct rtgui_combobox_item* rtgui_combox_get_select(struct rtgui_combobox* box)
 {
 	if ((box != RT_NULL) && (box->current_item < box->items_count))
 	{

components/rtgui/widgets/menu.c

@@ -0,0 +1,228 @@
+#include <rtgui/dc.h>
+#include <rtgui/widgets/box.h>
+#include <rtgui/widgets/menu.h>
+#include <rtgui/widgets/window.h>
+
+#define RTGUI_MENU_IMAGE_MAGIN		18
+#define RTGUI_MENU_SUBMENU_MAGIN	16
+
+static void rtgui_menu_item_unselect(struct rtgui_menu_item* item);
+static rt_bool_t rtgui_menu_on_deactivate(rtgui_widget_t* widget, rtgui_event_t* event);
+
+static void _rtgui_menu_constructor(rtgui_menu_t *menu)
+{
+	rtgui_box_t* box;
+	rtgui_rect_t rect = {0, 0, RTGUI_MENU_DEFAULT_WIDTH, RTGUI_BORDER_DEFAULT_WIDTH << 1};
+
+	/* set default rect */
+	menu->width  = RTGUI_MENU_DEFAULT_WIDTH;
+	menu->height = (RTGUI_BORDER_DEFAULT_WIDTH << 1);
+	rtgui_widget_set_rect(RTGUI_WIDGET(menu), &rect);
+	/* set window style */
+	RTGUI_WIN(menu)->style = RTGUI_WIN_STYLE_NO_TITLE;
+
+	/* set deactivate handler */
+	rtgui_win_set_ondeactivate(RTGUI_WIN(menu), rtgui_menu_on_deactivate);
+
+	/* set proper of control */
+	menu->parent_item = RT_NULL;
+	menu->select_item = RT_NULL;
+	menu->on_menupop  = RT_NULL;
+	menu->on_menuhide = RT_NULL;
+
+	/* create box */
+	box = rtgui_box_create(RTGUI_VERTICAL, &rect);
+	rtgui_container_add_child(RTGUI_CONTAINER(menu), RTGUI_WIDGET(box));
+}
+
+rtgui_type_t *rtgui_menu_type_get(void)
+{
+	static rtgui_type_t *menu_type = RT_NULL;
+
+	if (!menu_type)
+	{
+		menu_type = rtgui_type_create("menu", RTGUI_WIN_TYPE,
+			sizeof(rtgui_menu_t), RTGUI_CONSTRUCTOR(_rtgui_menu_constructor), RT_NULL);
+	}
+
+	return menu_type;
+}
+
+static rt_bool_t rtgui_menu_on_deactivate(rtgui_widget_t* widget, rtgui_event_t* event)
+{
+	rtgui_menu_t* menu = (rtgui_menu_t*) widget;
+
+	if (menu->select_item != RT_NULL)
+	{
+		/* try to wake through to find sub menu activated */
+		if (menu->select_item->type == RTGUI_ITEM_SUBMENU)
+		{
+			/* if sub menu activated, not hide menu */
+			if (menu->select_item->sub_menu != RT_NULL &&
+				rtgui_win_is_activated(RTGUI_WIN(menu->select_item->sub_menu)))
+			{
+				return RT_TRUE;
+			}
+		}
+	}
+
+	rtgui_win_hiden(RTGUI_WIN(menu));
+	if (menu->on_menuhide != RT_NULL)
+	{
+		menu->on_menuhide(RTGUI_WIDGET(menu), RT_NULL);
+	}
+
+	/* if it's a submenu, try to hide parent menu */
+	if (menu->parent_item != RT_NULL &&
+		!rtgui_win_is_activated(RTGUI_WIN(menu->parent_item->parent_menu)))
+	{
+		rtgui_menu_on_deactivate(RTGUI_WIDGET(menu->parent_item->parent_menu), event);
+	}
+
+	/* unselected all items */
+	if (menu->select_item != RT_NULL)
+	{
+		// rtgui_menu_item_unselect(menu->select_item);
+	}
+
+	return RT_TRUE;
+}
+
+struct rtgui_menu* rtgui_menu_create(const char* title)
+{
+    struct rtgui_menu* menu;
+
+    menu = (struct rtgui_menu*) rtgui_widget_create ( RTGUI_MENU_TYPE );
+	if (menu != RT_NULL)
+	{
+		rtgui_win_set_title(RTGUI_WIN(menu), title);
+	}
+
+	return menu;
+}
+
+void rtgui_menu_destroy(struct rtgui_menu* menu)
+{
+	rtgui_widget_destroy (RTGUI_WIDGET(menu));
+}
+
+void rtgui_menu_set_onmenupop(struct rtgui_menu* menu, rtgui_event_handler_ptr handler)
+{
+	if (menu == RT_NULL) return;
+
+	menu->on_menupop = handler;
+}
+
+void rtgui_menu_set_onmenuhide(struct rtgui_menu* menu, rtgui_event_handler_ptr handler)
+{
+	if (menu == RT_NULL) return;
+
+	menu->on_menuhide = handler;
+}
+
+void rtgui_menu_pop(struct rtgui_menu* menu, int x, int y)
+{
+	rtgui_rect_t rect;
+	rtgui_box_t* box;
+
+	if (menu == RT_NULL) return;
+
+	/* set window extent */
+	rect.x1 = x;
+	rect.y1 = y;
+	rect.x2 = x + menu->width;
+	rect.y2 = y + menu->height;
+	rtgui_win_set_rect(RTGUI_WIN(menu), &rect);
+
+	/* layout box */
+	box = (rtgui_box_t*) rtgui_container_get_first_child(RTGUI_CONTAINER(menu));
+	RTGUI_WIDGET(box)->extent = rect;
+	rtgui_box_layout(box);
+
+	/* on menu pop handler */
+	if (menu->on_menupop != RT_NULL)
+	{
+		menu->on_menupop(RTGUI_WIDGET(menu), RT_NULL);
+	}
+
+	/* show menu window */
+	rtgui_win_show(RTGUI_WIN(menu), RT_FALSE);
+}
+
+rtgui_menu_item_t* rtgui_menu_item_new(struct rtgui_menu* menu, char* text, int type,
+	rt_bool_t (*on_menu)(rtgui_widget_t* widget, rtgui_event_t* event))
+{
+	rtgui_menu_item_t* item;
+
+	if (menu == RT_NULL) return RT_NULL;
+	item = rtgui_menu_item_create(text);
+	if (item == RT_NULL) return RT_NULL;
+
+	item->type = type;
+	item->image = RT_NULL;
+	item->on_menuaction = on_menu;
+
+	rtgui_menu_item_add(menu, item);
+
+	return item;
+}
+
+rtgui_menu_item_t* rtgui_menu_item_new_separator(struct rtgui_menu* menu)
+{
+	rtgui_menu_item_t* item;
+
+	if (menu == RT_NULL) return RT_NULL;
+
+	item = rtgui_menu_item_create("--");
+	if (item == RT_NULL) return RT_NULL;
+
+	item->type = RTGUI_ITEM_SEPARATOR;
+	item->image = RT_NULL;
+	item->on_menuaction = RT_NULL;
+
+	/* resize item extent */
+	rtgui_widget_set_miniheight(RTGUI_WIDGET(item), 2);
+	RTGUI_WIDGET(item)->extent.y2 = RTGUI_WIDGET(item)->extent.y1 + 2;
+
+	rtgui_menu_item_add(menu, item);
+
+	return item;
+}
+
+void rtgui_menu_item_add(struct rtgui_menu* menu, struct rtgui_menu_item* item)
+{
+	rtgui_box_t* box;
+
+	if (menu == RT_NULL || item == RT_NULL) return;
+
+	box = (rtgui_box_t*) rtgui_container_get_first_child(RTGUI_CONTAINER(menu));
+
+	menu->height += rtgui_rect_height(RTGUI_WIDGET(item)->extent);
+	if (menu->width < rtgui_rect_width(RTGUI_WIDGET(item)->extent) + RTGUI_MENU_IMAGE_MAGIN + RTGUI_MENU_SUBMENU_MAGIN)
+	{
+		menu->width = rtgui_rect_width(RTGUI_WIDGET(item)->extent) + RTGUI_MENU_IMAGE_MAGIN + RTGUI_MENU_SUBMENU_MAGIN;
+	}
+
+	item->parent_menu = menu;
+	if (item->type == RTGUI_ITEM_SUBMENU)
+	{
+		item->sub_menu->parent_item = item;
+	}
+
+	rtgui_box_append(box, RTGUI_WIDGET(item));
+}
+
+struct rtgui_menu_item* rtgui_menu_get_first_item(struct rtgui_menu* menu)
+{
+	rtgui_box_t* box;
+	rtgui_menu_item_t* item;
+
+	if (menu == RT_NULL) return RT_NULL;
+
+	box = (rtgui_box_t*) rtgui_container_get_first_child(RTGUI_CONTAINER(menu));
+	if (box == RT_NULL) return RT_NULL;
+
+	item = (rtgui_menu_item_t*) rtgui_container_get_first_child(RTGUI_CONTAINER(box));
+
+	return item;
+}