update combobox widget; add listctrl.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1193 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com
parent
3ba6d887da
commit
5d0786513e
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@ -4,13 +4,7 @@
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#include <rtgui/rtgui.h>
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#include <rtgui/image.h>
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#include <rtgui/widgets/window.h>
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/* combobox item */
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struct rtgui_combobox_item
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{
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char* name;
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rtgui_image_t *image;
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};
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#include <rtgui/widgets/listbox.h>
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/** Gets the type of a combobox */
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#define RTGUI_COMBOBOX_TYPE (rtgui_combobox_type_get())
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@ -32,24 +26,24 @@ struct rtgui_combobox
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/* pull down window */
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struct rtgui_win* pd_win;
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rt_bool_t pd_pressed;
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rt_uint16_t pd_win_width;
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rt_uint16_t pd_win_height;
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/* combobox items */
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struct rtgui_combobox_item* items;
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struct rtgui_listbox_item* items;
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rt_uint16_t items_count;
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rt_uint16_t current_item;
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/* call back */
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rt_bool_t (*on_selected) (struct rtgui_widget* widget, struct rtgui_event* event);
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void (*on_selected) (struct rtgui_widget* widget, struct rtgui_event* event);
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};
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typedef struct rtgui_combobox rtgui_combobox_t;
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rtgui_type_t *rtgui_combobox_type_get(void);
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rtgui_combobox_t *rtgui_combobox_create();
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rtgui_combobox_t *rtgui_combobox_create(struct rtgui_listbox_item* items, rt_uint16_t counter, struct rtgui_rect* rect);
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void rtgui_combobox_destroy(rtgui_combobox_t* box);
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rt_bool_t rtgui_combobox_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
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struct rtgui_combobox_item* rtgui_combox_get_select(struct rtgui_combobox* box);
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struct rtgui_listbox_item* rtgui_combox_get_select(struct rtgui_combobox* box);
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void rtgui_combobox_set_onselected(struct rtgui_combobox* box, rtgui_onitem_func_t func);
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#endif
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@ -0,0 +1,64 @@
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/*
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* File : listctrl.h
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* This file is part of RTGUI in RT-Thread RTOS
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* COPYRIGHT (C) 2010, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-12-06 Bernard first version
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*/
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#ifndef __RTGUI_LISTCTRL_H__
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#define __RTGUI_LISTCTRL_H__
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#include <rtgui/rtgui.h>
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#include <rtgui/image.h>
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#include <rtgui/rtgui_system.h>
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#include <rtgui/widgets/widget.h>
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/** Gets the type of a list ctrl */
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#define RTGUI_LISTCTRL_TYPE (rtgui_listctrl_type_get())
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/** Casts the object to a filelist */
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#define RTGUI_LISTCTRL(obj) (RTGUI_OBJECT_CAST((obj), RTGUI_LISTCTRL_TYPE, rtgui_listctrl_t))
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/** Checks if the object is a filelist ctrl */
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#define RTGUI_IS_LISTCTRL(obj) (RTGUI_OBJECT_CHECK_TYPE((obj), RTGUI_LISTCTRL_TYPE))
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struct rtgui_listctrl
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{
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struct rtgui_widget parent;
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/* widget private data */
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/* listctrl items */
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rt_uint32_t items;
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/* total number of items */
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rt_uint16_t items_count;
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/* the number of item in a page */
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rt_uint16_t page_items;
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/* current item */
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rt_uint16_t current_item;
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/* item event handler */
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void (*on_item)(rtgui_widget_t *widget, struct rtgui_event* event);
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void (*on_item_draw)(struct rtgui_listctrl *list, struct rtgui_dc* dc, rtgui_rect_t* rect, rt_uint16_t index);
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};
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typedef struct rtgui_listctrl rtgui_listctrl_t;
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typedef void (*rtgui_onitem_func_t)(struct rtgui_widget* widget, rtgui_event_t *event);
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typedef void (*rtgui_onitem_draw_t)(struct rtgui_listctrl *list, struct rtgui_dc* dc, rtgui_rect_t* rect, rt_uint16_t index);
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rtgui_type_t *rtgui_listctrl_type_get(void);
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rtgui_listctrl_t* rtgui_listctrl_create(rt_uint32_t items, rt_uint16_t count,
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rtgui_rect_t *rect, rtgui_onitem_draw_t ondraw);
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void rtgui_listctrl_destroy(rtgui_listctrl_t* ctrl);
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rt_bool_t rtgui_listctrl_event_handler(struct rtgui_widget* widget, struct rtgui_event* event);
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void rtgui_listctrl_set_onitem(rtgui_listctrl_t* ctrl, rtgui_onitem_func_t func);
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void rtgui_listctrl_set_items(rtgui_listctrl_t* ctrl, rt_uint32_t items, rt_uint16_t count);
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#endif
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@ -1,4 +1,5 @@
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#include <rtgui/dc.h>
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#include <rtgui/rtgui_theme.h>
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#include <rtgui/widgets/combobox.h>
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static rt_bool_t rtgui_combobox_pulldown_hide(struct rtgui_widget* widget, struct rtgui_event* event);
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@ -18,10 +19,7 @@ static void _rtgui_combobox_constructor(rtgui_combobox_t *box)
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box->pd_pressed = RT_FALSE;
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box->current_item = 0;
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box->on_selected = RT_NULL;
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box->pd_win = rtgui_win_create(RT_NULL, "combo", &rect, RTGUI_WIN_STYLE_NO_TITLE);
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box->pd_win->user_data = (rt_uint32_t)box;
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rtgui_win_set_ondeactivate(RTGUI_WIN(box->pd_win), rtgui_combobox_pulldown_hide);
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box->pd_win = RT_NULL;
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}
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static void _rtgui_combobox_destructor(rtgui_combobox_t *box)
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@ -33,6 +31,32 @@ static void _rtgui_combobox_destructor(rtgui_combobox_t *box)
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box->pd_win = RT_NULL;
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}
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void rtgui_combobox_pdwin_onitem(struct rtgui_widget* widget, struct rtgui_event* event)
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{
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rtgui_win_t* pd_win;
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rtgui_combobox_t* combo;
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rtgui_listbox_t* list;
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list = RTGUI_LISTBOX(widget);
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pd_win = RTGUI_WIN(rtgui_widget_get_toplevel(widget));
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combo = RTGUI_COMBOBOX(pd_win->user_data);
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combo->current_item = list->current_item;
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if (combo->on_selected != RT_NULL)
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combo->on_selected(RTGUI_WIDGET(combo), RT_NULL);
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rtgui_win_hiden(pd_win);
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rtgui_widget_update(RTGUI_WIDGET(combo));
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return ;
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}
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rt_bool_t rtgui_combobox_pdwin_ondeactive(struct rtgui_widget* widget, struct rtgui_event* event)
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{
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rtgui_win_hiden(RTGUI_WIN(widget));
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return RT_TRUE;
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}
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rtgui_type_t *rtgui_combobox_type_get(void)
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{
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static rtgui_type_t *combobox_type = RT_NULL;
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@ -48,11 +72,16 @@ rtgui_type_t *rtgui_combobox_type_get(void)
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return combobox_type;
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}
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rtgui_combobox_t *rtgui_combobox_create()
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rtgui_combobox_t *rtgui_combobox_create(struct rtgui_listbox_item* items, rt_uint16_t count, struct rtgui_rect* rect)
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{
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rtgui_combobox_t* box;
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rtgui_combobox_t *box;
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box = (rtgui_combobox_t*)rtgui_widget_create(RTGUI_COMBOBOX_TYPE);
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box->items_count = count;
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box->items = items;
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rtgui_widget_set_rect(RTGUI_WIDGET(box), rect);
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box->pd_win = RT_NULL;
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return box;
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}
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@ -65,18 +94,23 @@ void rtgui_combobox_destroy(rtgui_combobox_t* box)
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static void rtgui_combobox_ondraw(struct rtgui_combobox* box)
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{
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/* draw button */
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rtgui_color_t bc;
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struct rtgui_dc* dc;
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struct rtgui_rect rect;
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struct rtgui_rect rect, r;
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/* begin drawing */
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dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
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if (dc == RT_NULL) return;
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bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box));
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/* get widget rect */
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rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
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RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = white;
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/* fill widget rect with background color */
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rtgui_dc_fill_rect(dc, &rect);
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rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_RAISE);
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rtgui_dc_draw_rect(dc, &rect);
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/* draw current item */
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if (box->current_item < box->items_count)
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@ -85,12 +119,19 @@ static void rtgui_combobox_ondraw(struct rtgui_combobox* box)
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rtgui_dc_draw_text(dc, box->items[box->current_item].name, &rect);
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}
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/* restore background color */
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RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = bc;
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/* draw pull down button */
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rect.x1 = rect.x2 - RTGUI_COMBOBOX_BUTTON_WIDTH;
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rtgui_rect_inflate(&rect, -1);
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rtgui_dc_fill_rect(dc, &rect);
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if (box->pd_pressed == RT_TRUE) rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
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else rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_RAISE);
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rtgui_dc_draw_byte(dc, rect.x1, rect.y1, rect.y2, down_arrow);
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r.x1 = 0; r.y1 = 0; r.x2 = 8; r.y2 = 4;
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rtgui_rect_moveto_align(&rect, &r, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
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rtgui_dc_draw_byte(dc, r.x1, r.y1, 4, down_arrow);
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/* end drawing */
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rtgui_dc_end_drawing(dc);
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@ -122,20 +163,31 @@ static rt_bool_t rtgui_combobox_onmouse_button(struct rtgui_combobox* box, struc
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rtgui_widget_update(RTGUI_WIDGET(box));
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/* pop pull down window */
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if (box->pd_win != RT_NULL)
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if (box->pd_win == RT_NULL)
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{
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struct rtgui_rect r;
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rtgui_listbox_t *list;
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r.x1 = RTGUI_WIDGET(box)->extent.x1;
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r.y1 = RTGUI_WIDGET(box)->extent.y2 + 2;
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r.x2 = RTGUI_WIDGET(box)->extent.x2;
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r.y2 = r.y1 + box->pd_win_height;
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/* create pull down window */
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rect = RTGUI_WIDGET(box)->extent;
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rect.y1 = rect.y2;
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rect.y2 = rect.y1 + 5 * (2 + rtgui_theme_get_selected_height());
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box->pd_win = rtgui_win_create(RT_NULL, "combo", &rect, RTGUI_WIN_STYLE_NO_TITLE);
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rtgui_win_set_ondeactivate(RTGUI_WIN(box->pd_win), rtgui_combobox_pulldown_hide);
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/* set user data to parent combobox */
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box->pd_win->user_data = (rt_uint32_t)box;
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rtgui_win_set_rect(RTGUI_WIN(box->pd_win), &r);
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/* create list box */
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rtgui_rect_inflate(&rect, -1);
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list = rtgui_listbox_create(box->items, box->items_count, &rect);
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rtgui_container_add_child(RTGUI_CONTAINER(box->pd_win), RTGUI_WIDGET(list));
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rtgui_widget_focus(RTGUI_WIDGET(list));
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/* show combo box pull down window */
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rtgui_win_show(RTGUI_WIN(box->pd_win), RT_FALSE);
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rtgui_listbox_set_onitem(list, rtgui_combobox_pdwin_onitem);
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rtgui_win_set_ondeactivate(box->pd_win, rtgui_combobox_pdwin_ondeactive);
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}
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/* show combo box pull down window */
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rtgui_win_show(RTGUI_WIN(box->pd_win), RT_FALSE);
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}
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return RT_TRUE;
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@ -203,7 +255,7 @@ static rt_bool_t rtgui_combobox_pulldown_hide(struct rtgui_widget* widget, struc
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return RT_TRUE;
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}
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struct rtgui_combobox_item* rtgui_combox_get_select(struct rtgui_combobox* box)
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struct rtgui_listbox_item* rtgui_combox_get_select(struct rtgui_combobox* box)
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{
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if ((box != RT_NULL) && (box->current_item < box->items_count))
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{
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@ -212,3 +264,8 @@ struct rtgui_combobox_item* rtgui_combox_get_select(struct rtgui_combobox* box)
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return RT_NULL;
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}
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void rtgui_combobox_set_onselected(struct rtgui_combobox* box, rtgui_onitem_func_t func)
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{
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box->on_selected = func;
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}
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@ -26,7 +26,7 @@ static void _rtgui_listbox_constructor(struct rtgui_listbox *box)
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box->current_item = 0;
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box->items_count = 0;
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box->page_items = 0;
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box->page_items = 1;
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box->on_item = 0;
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RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = white;
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@ -317,6 +317,7 @@ rtgui_listbox_t* rtgui_listbox_create(const struct rtgui_listbox_item* items, rt
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box->items_count = count;
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box->page_items = rtgui_rect_height(*rect) / (2 + rtgui_theme_get_selected_height());
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if (box->page_items == 0) box->page_items = 1;
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rtgui_widget_set_rect(RTGUI_WIDGET(box), rect);
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}
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@ -0,0 +1,324 @@
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/*
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* File : listctrl.c
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* This file is part of RTGUI in RT-Thread RTOS
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* COPYRIGHT (C) 2010, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2010-01-06 Bernard first version
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*/
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#include <rtgui/rtgui_theme.h>
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#include <rtgui/widgets/listctrl.h>
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static void _rtgui_listctrl_constructor(struct rtgui_listctrl *ctrl)
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{
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/* set default widget rect and set event handler */
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rtgui_widget_set_event_handler(RTGUI_WIDGET(ctrl),rtgui_listctrl_event_handler);
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RTGUI_WIDGET(ctrl)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE;
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ctrl->current_item = 0;
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ctrl->items_count = 0;
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ctrl->page_items = 0;
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ctrl->on_item = 0;
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ctrl->on_item_draw = RT_NULL;
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RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(ctrl)) = white;
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RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(ctrl)) = RTGUI_ALIGN_CENTER_VERTICAL;
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}
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rtgui_type_t *rtgui_listctrl_type_get(void)
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{
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static rtgui_type_t *listctrl_type = RT_NULL;
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if (!listctrl_type)
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{
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listctrl_type = rtgui_type_create("listctrl", RTGUI_WIDGET_TYPE,
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sizeof(rtgui_listctrl_t), RTGUI_CONSTRUCTOR(_rtgui_listctrl_constructor), RT_NULL);
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}
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return listctrl_type;
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}
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void rtgui_listctrl_ondraw(struct rtgui_listctrl* ctrl)
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{
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struct rtgui_rect rect, item_rect;
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struct rtgui_dc* dc;
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rt_uint16_t page_index, index;
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dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(ctrl));
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if (dc == RT_NULL) return;
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rtgui_widget_get_rect(RTGUI_WIDGET(ctrl), &rect);
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rtgui_dc_fill_rect(dc, &rect);
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rect.x2 -= 1; rect.y2 -= 1;
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/* draw focused border */
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if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(ctrl)))
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rtgui_dc_draw_focus_rect(dc, &rect);
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/* get item base rect */
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item_rect = rect;
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item_rect.x1 += 1; item_rect.x2 -= 1;
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item_rect.y1 += 2;
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item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
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/* get current page */
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page_index = (ctrl->current_item / ctrl->page_items) * ctrl->page_items;
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for (index = 0; index < ctrl->page_items; index ++)
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{
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if (page_index + index >= ctrl->items_count) break;
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if (page_index + index == ctrl->current_item)
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{
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rtgui_theme_draw_selected(dc, &item_rect);
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}
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if (ctrl->on_item_draw != RT_NULL)
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{
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ctrl->on_item_draw(ctrl, dc, &item_rect, page_index + index);
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}
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/* move to next item position */
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item_rect.y1 += (rtgui_theme_get_selected_height() + 2);
|
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item_rect.y2 += (rtgui_theme_get_selected_height() + 2);
|
||||
}
|
||||
rtgui_dc_end_drawing(dc);
|
||||
}
|
||||
|
||||
void rtgui_listctrl_update_current(struct rtgui_listctrl* ctrl, rt_uint16_t old_item)
|
||||
{
|
||||
struct rtgui_dc* dc;
|
||||
rtgui_rect_t rect, item_rect;
|
||||
|
||||
if (old_item/ctrl->page_items != ctrl->current_item/ctrl->page_items)
|
||||
{
|
||||
/* it's not a same page, update all */
|
||||
rtgui_widget_update(RTGUI_WIDGET(ctrl));
|
||||
return;
|
||||
}
|
||||
|
||||
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(ctrl));
|
||||
if (dc == RT_NULL) return;
|
||||
|
||||
rtgui_widget_get_rect(RTGUI_WIDGET(ctrl), &rect);
|
||||
rect.x2 -= 1; rect.y2 -= 1;
|
||||
|
||||
item_rect = rect;
|
||||
/* get old item's rect */
|
||||
item_rect.x1 += 1; item_rect.x2 -= 1;
|
||||
item_rect.y1 += 2;
|
||||
item_rect.y1 += (old_item % ctrl->page_items) * (2 + rtgui_theme_get_selected_height());
|
||||
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
|
||||
|
||||
/* draw old item */
|
||||
rtgui_dc_fill_rect(dc, &item_rect);
|
||||
if (ctrl->on_item_draw != RT_NULL)
|
||||
ctrl->on_item_draw(ctrl, dc, &item_rect, old_item);
|
||||
|
||||
/* draw current item */
|
||||
item_rect = rect;
|
||||
/* get current item's rect */
|
||||
item_rect.x1 += 1; item_rect.x2 -= 1;
|
||||
item_rect.y1 += 2;
|
||||
item_rect.y1 += (ctrl->current_item % ctrl->page_items) * (2 + rtgui_theme_get_selected_height());
|
||||
item_rect.y2 = item_rect.y1 + (2 + rtgui_theme_get_selected_height());
|
||||
|
||||
/* draw current item */
|
||||
rtgui_theme_draw_selected(dc, &item_rect);
|
||||
if (ctrl->on_item_draw != RT_NULL)
|
||||
ctrl->on_item_draw(ctrl, dc, &item_rect, ctrl->current_item);
|
||||
|
||||
rtgui_dc_end_drawing(dc);
|
||||
}
|
||||
|
||||
rt_bool_t rtgui_listctrl_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
|
||||
{
|
||||
struct rtgui_listctrl* ctrl = RT_NULL;
|
||||
|
||||
ctrl = RTGUI_LISTCTRL(widget);
|
||||
switch (event->type)
|
||||
{
|
||||
case RTGUI_EVENT_PAINT:
|
||||
rtgui_listctrl_ondraw(ctrl);
|
||||
return RT_FALSE;
|
||||
|
||||
case RTGUI_EVENT_RESIZE:
|
||||
{
|
||||
struct rtgui_event_resize* resize;
|
||||
|
||||
resize = (struct rtgui_event_resize*)event;
|
||||
|
||||
/* recalculate page items */
|
||||
ctrl->page_items = resize->h / (2 + rtgui_theme_get_selected_height());
|
||||
}
|
||||
break;
|
||||
|
||||
case RTGUI_EVENT_MOUSE_BUTTON:
|
||||
{
|
||||
rtgui_rect_t rect;
|
||||
struct rtgui_event_mouse* emouse;
|
||||
|
||||
emouse = (struct rtgui_event_mouse*)event;
|
||||
|
||||
/* calculate selected item */
|
||||
|
||||
/* get physical extent information */
|
||||
rtgui_widget_get_rect(widget, &rect);
|
||||
rtgui_widget_rect_to_device(widget, &rect);
|
||||
|
||||
if ((rtgui_rect_contains_point(&rect, emouse->x, emouse->y) == RT_EOK) && (ctrl->items_count > 0))
|
||||
{
|
||||
rt_uint16_t index;
|
||||
index = (emouse->y - rect.y1) / (2 + rtgui_theme_get_selected_height());
|
||||
|
||||
/* set focus */
|
||||
rtgui_widget_focus(widget);
|
||||
{
|
||||
struct rtgui_rect rect;
|
||||
struct rtgui_dc* dc;
|
||||
|
||||
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(ctrl));
|
||||
if (dc != RT_NULL)
|
||||
{
|
||||
/* get widget rect */
|
||||
rtgui_widget_get_rect(RTGUI_WIDGET(ctrl), &rect);
|
||||
/* update focus border */
|
||||
rect.x2 -= 1; rect.y2 -= 1;
|
||||
/* draw focused border */
|
||||
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(ctrl)))
|
||||
rtgui_dc_draw_focus_rect(dc, &rect);
|
||||
rtgui_dc_end_drawing(dc);
|
||||
}
|
||||
}
|
||||
|
||||
if ((index < ctrl->items_count) && (index < ctrl->page_items))
|
||||
{
|
||||
rt_uint16_t old_item;
|
||||
|
||||
old_item = ctrl->current_item;
|
||||
|
||||
/* set selected item */
|
||||
ctrl->current_item = (ctrl->current_item/ctrl->page_items) * ctrl->page_items + index;
|
||||
if (emouse->button & RTGUI_MOUSE_BUTTON_DOWN)
|
||||
{
|
||||
/* down event */
|
||||
rtgui_listctrl_update_current(ctrl, old_item);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* up event */
|
||||
if (ctrl->on_item != RT_NULL)
|
||||
{
|
||||
ctrl->on_item(RTGUI_WIDGET(ctrl), RT_NULL);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return RT_TRUE;
|
||||
}
|
||||
|
||||
case RTGUI_EVENT_KBD:
|
||||
{
|
||||
struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
|
||||
if ((ekbd->type == RTGUI_KEYDOWN) && (ctrl->items_count > 0))
|
||||
{
|
||||
rt_uint16_t old_item;
|
||||
|
||||
old_item = ctrl->current_item;
|
||||
switch (ekbd->key)
|
||||
{
|
||||
case RTGUIK_LEFT:
|
||||
if (ctrl->current_item - ctrl->page_items >= 0)
|
||||
ctrl->current_item -= ctrl->page_items;
|
||||
rtgui_listctrl_update_current(ctrl, old_item);
|
||||
return RT_FALSE;
|
||||
|
||||
case RTGUIK_UP:
|
||||
if (ctrl->current_item > 0)
|
||||
ctrl->current_item --;
|
||||
rtgui_listctrl_update_current(ctrl, old_item);
|
||||
return RT_FALSE;
|
||||
|
||||
case RTGUIK_RIGHT:
|
||||
if (ctrl->current_item + ctrl->page_items < ctrl->items_count - 1)
|
||||
ctrl->current_item += ctrl->page_items;
|
||||
rtgui_listctrl_update_current(ctrl, old_item);
|
||||
return RT_FALSE;
|
||||
|
||||
case RTGUIK_DOWN:
|
||||
if (ctrl->current_item < ctrl->items_count - 1)
|
||||
ctrl->current_item ++;
|
||||
rtgui_listctrl_update_current(ctrl, old_item);
|
||||
return RT_FALSE;
|
||||
|
||||
case RTGUIK_RETURN:
|
||||
if (ctrl->on_item != RT_NULL)
|
||||
{
|
||||
ctrl->on_item(RTGUI_WIDGET(ctrl), RT_NULL);
|
||||
}
|
||||
return RT_FALSE;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
return RT_FALSE;
|
||||
}
|
||||
|
||||
/* use ctrl event handler */
|
||||
return rtgui_widget_event_handler(widget, event);
|
||||
}
|
||||
|
||||
rtgui_listctrl_t* rtgui_listctrl_create(rt_uint32_t items, rt_uint16_t count, rtgui_rect_t *rect,
|
||||
rtgui_onitem_draw_t ondraw)
|
||||
{
|
||||
struct rtgui_listctrl* ctrl = RT_NULL;
|
||||
|
||||
ctrl = (struct rtgui_listctrl*) rtgui_widget_create(RTGUI_LISTCTRL_TYPE);
|
||||
if (ctrl != RT_NULL)
|
||||
{
|
||||
ctrl->items = items;
|
||||
ctrl->items_count = count;
|
||||
ctrl->on_item_draw = ondraw;
|
||||
|
||||
ctrl->page_items = rtgui_rect_height(*rect) / (2 + rtgui_theme_get_selected_height());
|
||||
rtgui_widget_set_rect(RTGUI_WIDGET(ctrl), rect);
|
||||
}
|
||||
|
||||
return ctrl;
|
||||
}
|
||||
|
||||
void rtgui_listctrl_destroy(rtgui_listctrl_t* ctrl)
|
||||
{
|
||||
/* destroy ctrl */
|
||||
rtgui_widget_destroy(RTGUI_WIDGET(ctrl));
|
||||
}
|
||||
|
||||
void rtgui_listctrl_set_onitem(rtgui_listctrl_t* ctrl, rtgui_onitem_func_t func)
|
||||
{
|
||||
RT_ASSERT(ctrl != RT_NULL);
|
||||
|
||||
ctrl->on_item = func;
|
||||
}
|
||||
|
||||
void rtgui_listctrl_set_items(rtgui_listctrl_t* ctrl, rt_uint32_t items, rt_uint16_t count)
|
||||
{
|
||||
rtgui_rect_t rect;
|
||||
|
||||
ctrl->items = items;
|
||||
ctrl->items_count = count;
|
||||
ctrl->current_item = 0;
|
||||
|
||||
rtgui_widget_get_rect(RTGUI_WIDGET(ctrl), &rect);
|
||||
ctrl->page_items = rtgui_rect_height(rect) / (2 + rtgui_theme_get_selected_height());
|
||||
|
||||
rtgui_widget_update(RTGUI_WIDGET(ctrl));
|
||||
}
|
||||
Loading…
Reference in New Issue