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update scrollbar widget.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@834 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com
2010-08-08 23:18:02 +00:00
parent 2df619d986
commit afe4c3cc61
6 changed files with 218 additions and 154 deletions
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205
components/rtgui/widgets/scrollbar.c
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@@ -1,3 +1,16 @@
/*
* File : scrollbar.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-08-09 Bernard first version
*/
#include <rtgui/dc.h>
#include <rtgui/widgets/scrollbar.h>
@@ -12,12 +25,12 @@ static void _rtgui_scrollbar_constructor(rtgui_scrollbar_t *bar)
rtgui_scrollbar_set_page_step(bar, 20);
rtgui_scrollbar_set_line_step(bar, 10);
bar->status = 0;
bar->thumb_position = 0;
bar->thumb_size = 16;
bar->on_scroll = RT_NULL;
bar->orient = RTGUI_HORIZONTAL;
bar->bar_width = RTGUI_DEFAULT_SB_HEIGHT;
rtgui_widget_set_rect(RTGUI_WIDGET(bar), &rect);
/* set gc */
@@ -47,7 +60,7 @@ rt_inline rt_uint32_t _rtgui_scrollbar_get_thumb_position(rtgui_scrollbar_t* bar
return thumb_position;
}
rt_inline void _rtgui_scrollbar_get_thumb_rect(rtgui_scrollbar_t *bar, rtgui_rect_t *rect)
void rtgui_scrollbar_get_thumb_rect(rtgui_scrollbar_t *bar, rtgui_rect_t *rect)
{
struct rtgui_rect scrollbar_rect;
@@ -88,54 +101,9 @@ rtgui_type_t *rtgui_scrollbar_type_get(void)
return scrollbar_type;
}
static void _rtgui_scrollbar_ondraw(struct rtgui_scrollbar* bar);
static void _rtgui_scrollbar_on_mouseclick(struct rtgui_widget * widget, struct rtgui_event * event);
rt_bool_t rtgui_scrollbar_event_handler(struct rtgui_widget * widget,
struct rtgui_event * event)
{
struct rtgui_scrollbar* bar = (struct rtgui_scrollbar*)widget;
switch (event->type)
{
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
{
_rtgui_scrollbar_ondraw(bar);
}
break;
case RTGUI_EVENT_MOUSE_BUTTON:
if (RTGUI_WIDGET_IS_ENABLE(widget))
{
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL)
{
widget->on_mouseclick(widget, event);
}
else
#endif
{
_rtgui_scrollbar_on_mouseclick(widget, event);
}
}
break;
default:
break;
}
return RT_FALSE;
}
static void _rtgui_scrollbar_on_mouseclick(struct rtgui_widget * widget, struct rtgui_event * event)
{
rtgui_rect_t btn_rect, bar_rect;
rtgui_rect_t rect, btn_rect, bar_rect;
rt_uint32_t thumb_size, thumb_position;
struct rtgui_scrollbar* bar = (struct rtgui_scrollbar*)widget;
struct rtgui_event_mouse* mouse = (struct rtgui_event_mouse*)event;
@@ -242,7 +210,7 @@ static void _rtgui_scrollbar_on_mouseclick(struct rtgui_widget * widget, struct
/* get bar rect */
bar_rect.x1 = widget->extent.x1 + (widget->extent.y2 - widget->extent.y1);
bar_rect.x2 = widget->extent.x2 - (widget->extent.x2 - widget->extent.x1);
bar_rect.x2 = widget->extent.x2 - (widget->extent.y2 - widget->extent.y1);
bar_rect.y1 = widget->extent.y1;
bar_rect.y2 = widget->extent.y2;
if (rtgui_rect_contains_point(&bar_rect, mouse->x, mouse->y) == RT_EOK)
@@ -291,7 +259,7 @@ static void _rtgui_scrollbar_on_mouseclick(struct rtgui_widget * widget, struct
}
__exit:
_rtgui_scrollbar_ondraw(bar);
rtgui_theme_draw_scrollbar(bar);
if ((mouse->button & (RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN)) ==
(RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN))
{
@@ -299,118 +267,46 @@ __exit:
}
}
static void _rtgui_scrollbar_ondraw(struct rtgui_scrollbar* bar)
rt_bool_t rtgui_scrollbar_event_handler(struct rtgui_widget * widget,
struct rtgui_event * event)
{
/* draw scroll bar */
struct rtgui_dc* dc;
struct rtgui_rect rect;
int vx[4], vy[4];
struct rtgui_scrollbar* bar = (struct rtgui_scrollbar*)widget;
/* begin drawing */
dc = rtgui_dc_begin_drawing(&(bar->parent));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(bar), &rect);
/* draw background */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(bar)) = RTGUI_RGB(236, 236, 229);
rtgui_dc_fill_rect(dc, &rect);
if (bar->orient == RTGUI_VERTICAL)
{
rtgui_rect_t btn_rect, thum_rect;
btn_rect = rect;
btn_rect.y2 = btn_rect.y1 + rect.x2 - rect.x1;
/* draw up button */
if (bar->status & SBS_UPARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
/* draw arrow */
if (!RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(bar)) = RTGUI_RGB(201, 201, 194);
vx[0] = 0; vy[0] = 0;
vx[1] = rtgui_rect_width(rect); vy[1] = 0;
vx[2] = vx[1] / 2; vy[2] = 8;
vx[3] = 0; vy[3] = 0;
rtgui_dc_fill_polygon(dc, vx, vy, 4);
// rtgui_dc_draw_arrow(dc, &btn_rect, RTGUI_ARRAW_UP);
/* draw thumb */
if (RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
switch (event->type)
{
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
{
_rtgui_scrollbar_get_thumb_rect(bar, &thum_rect);
rtgui_dc_draw_border(dc, &thum_rect, RTGUI_BORDER_RAISE);
rtgui_theme_draw_scrollbar(bar);
}
/* draw down button */
btn_rect.y1 = rect.y2 - (rect.x2 - rect.x1);
btn_rect.y2 = rect.y2;
break;
if (bar->status & SBS_DOWNARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
if (!RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(bar)) = RTGUI_RGB(201, 201, 194);
vx[0] = 0; vy[0] = rtgui_rect_height(rect);
vx[1] = rtgui_rect_width(rect); vy[1] = rtgui_rect_height(rect);
vx[2] = vx[1] / 2; vy[2] = rtgui_rect_height(rect) - 8;
vx[0] = 0; vy[0] = rtgui_rect_height(rect);
rtgui_dc_fill_polygon(dc, vx, vy, 4);
// rtgui_dc_draw_arrow(dc, &btn_rect, RTGUI_ARRAW_DOWN);
}
else
{
rtgui_rect_t btn_rect, thum_rect;
btn_rect.x1 = rect.x1;
btn_rect.x2 = rect.y2;
btn_rect.y1 = rect.y1;
btn_rect.y2 = rect.y2;
/* draw left button */
if (bar->status & SBS_LEFTARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
if (!RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(bar)) = RTGUI_RGB(201, 201, 194);
vx[0] = 0; vy[0] = 0;
vx[1] = 0; vy[1] = rtgui_rect_height(rect);
vx[2] = 8; vy[2] = rtgui_rect_height(rect)/2;
vx[3] = 0; vy[3] = 0;
rtgui_dc_fill_polygon(dc, vx, vy, 4);
// rtgui_dc_draw_arrow(dc, &btn_rect, RTGUI_ARRAW_LEFT);
/* draw thumb */
if (RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
case RTGUI_EVENT_MOUSE_BUTTON:
if (RTGUI_WIDGET_IS_ENABLE(widget))
{
_rtgui_scrollbar_get_thumb_rect(bar, &thum_rect);
rtgui_dc_draw_border(dc, &thum_rect, RTGUI_BORDER_RAISE);
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL)
{
widget->on_mouseclick(widget, event);
}
else
#endif
{
_rtgui_scrollbar_on_mouseclick(widget, event);
}
}
btn_rect.x1 = rect.x2 - rect.y2;
btn_rect.x2 = rect.x2;
break;
/* draw right button */
if (bar->status & SBS_RIGHTARROW) rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &btn_rect, RTGUI_BORDER_RAISE);
default:
break;
}
if (!RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar)))
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(bar)) = RTGUI_RGB(201, 201, 194);
vx[0] = rtgui_rect_width(rect); vy[0] = 0;
vx[1] = rtgui_rect_width(rect) - 8; vy[1] = rtgui_rect_height(rect)/2;
vx[2] = rtgui_rect_width(rect); vy[2] = rtgui_rect_height(rect);
vx[0] = rtgui_rect_width(rect); vy[0] = 0;
rtgui_dc_fill_polygon(dc, vx, vy, 4);
// rtgui_dc_draw_arrow(dc, &btn_rect, RTGUI_ARRAW_RIGHT);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
return RT_FALSE;
}
struct rtgui_scrollbar* rtgui_scrollbar_create(int orient, rtgui_rect_t* r)
@@ -421,7 +317,13 @@ struct rtgui_scrollbar* rtgui_scrollbar_create(int orient, rtgui_rect_t* r)
if (bar != RT_NULL)
{
if (r != RT_NULL)
{
rtgui_widget_set_rect(RTGUI_WIDGET(bar), r);
if (orient == RTGUI_VERTICAL)
bar->thumb_size = (r->x2 - r->x1);
else
bar->thumb_size = (r->y2 - r->y1);
}
bar->orient = orient;
}
@@ -439,7 +341,6 @@ void rtgui_scrollbar_set_orientation(rtgui_scrollbar_t* bar, int orientation)
RT_ASSERT(bar != RT_NULL);
bar->orient = orientation;
bar->bar_width = RTGUI_DEFAULT_SB_HEIGHT;
#ifndef RTGUI_USING_SMALL_SIZE
if (bar->orient == RTGUI_HORIZONTAL)
{