diff options
Diffstat (limited to 'components/rtgui_win/widgets/button.c')
| -rw-r--r-- | components/rtgui_win/widgets/button.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/components/rtgui_win/widgets/button.c b/components/rtgui_win/widgets/button.c new file mode 100644 index 0000000000..93e6863869 --- /dev/null +++ b/components/rtgui_win/widgets/button.c @@ -0,0 +1,238 @@ +/* + * File : button.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 + * 2009-10-16 Bernard first version + */ +#include <rtgui/dc.h> +#include <rtgui/widgets/button.h>
+#include <rtgui/widgets/container.h> +#include <rtgui/rtgui_theme.h>
+ +static rt_bool_t rtgui_button_onunfocus(PVOID wdt, rtgui_event_t* event);
+ +static void _rtgui_button_constructor(rtgui_button_t *button) +{ + /* init widget and set event handler */ + RTGUI_WIDGET_FLAG(button) |= RTGUI_WIDGET_FLAG_FOCUSABLE;
+ + rtgui_widget_set_event_handler(button, rtgui_button_event_handler); + rtgui_widget_set_onunfocus(button, rtgui_button_onunfocus); + /* un-press button */ + button->flag = 0;
+ rtgui_widget_set_style(button,RTGUI_BORDER_UP); + + /* set flag and on_button event handler */ + button->image = RT_NULL; + button->on_button = RT_NULL; + + /* set gc */ + RTGUI_WIDGET_FOREGROUND(button) = default_foreground; + RTGUI_WIDGET_BACKGROUND(button) = default_background;
+ RTGUI_WIDGET_TEXTALIGN(button) = RTGUI_ALIGN_CENTER_HORIZONTAL|RTGUI_ALIGN_CENTER_VERTICAL; +} + +static void _rtgui_button_destructor(rtgui_button_t *button) +{ + if(button->image != RT_NULL) + { + rtgui_image_destroy(button->image); + button->image = RT_NULL; + } +} + +rtgui_type_t *rtgui_button_type_get(void) +{ + static rtgui_type_t *button_type = RT_NULL; + + if(!button_type) + { + button_type = rtgui_type_create("button", RTGUI_LABEL_TYPE, + sizeof(rtgui_button_t), + RTGUI_CONSTRUCTOR(_rtgui_button_constructor), + RTGUI_DESTRUCTOR(_rtgui_button_destructor)); + } + + return button_type; +}
+ +rtgui_button_t* rtgui_button_create(PVOID parent, char* text,int left, int top, int w, int h) +{ + rtgui_button_t* btn;
+ + RT_ASSERT(parent != RT_NULL);
+ + btn = rtgui_widget_create(RTGUI_BUTTON_TYPE); + if(btn != RT_NULL) + { + rtgui_rect_t rect; + /* set default rect */ + rtgui_font_get_string_rect(RTGUI_WIDGET_FONT(btn), text, &rect); +
+ rtgui_label_set_text(RTGUI_LABEL(btn), text);
+
+ rtgui_widget_get_rect(parent, &rect);
+ rtgui_widget_rect_to_device(parent,&rect);
+ rect.x1 += left;
+ rect.y1 += top;
+ rect.x2 = rect.x1+w;
+ rect.y2 = rect.y1+h; + rtgui_widget_set_rect(btn, &rect);
+
+ rtgui_container_add_child(parent, btn); + } + + return btn; +} + +void rtgui_button_destroy(rtgui_button_t* btn) +{ + rtgui_widget_destroy(btn); +}
+ +rt_bool_t rtgui_button_event_handler(PVOID wdt, rtgui_event_t* event) +{ + rtgui_widget_t *widget = (rtgui_widget_t*)wdt;
+ rtgui_button_t* btn = (rtgui_button_t*) widget;
+ + if(btn == RT_NULL)return RT_FALSE; + + switch (event->type) + { + case RTGUI_EVENT_PAINT: + if(widget->on_draw != RT_NULL )
+ widget->on_draw(widget, event); + else + rtgui_theme_draw_button(btn); + break; + + case RTGUI_EVENT_KBD: + { + rtgui_event_kbd_t* ekbd = (rtgui_event_kbd_t*) event; + + if((ekbd->key == RTGUIK_RETURN) || (ekbd->key == RTGUIK_SPACE)) + { + if(RTGUI_KBD_IS_DOWN(ekbd)) + { + btn->flag |= RTGUI_BUTTON_FLAG_PRESS; + } + else + { + btn->flag &= ~RTGUI_BUTTON_FLAG_PRESS; + } + + /* draw button */ + rtgui_theme_draw_button(btn); + + if((btn->flag & RTGUI_BUTTON_FLAG_PRESS) && (btn->on_button != RT_NULL)) + { + /* call on button handler */ + btn->on_button(widget, event); + } + } + } + break; + + case RTGUI_EVENT_MOUSE_BUTTON: + { + rtgui_event_mouse_t* emouse = (rtgui_event_mouse_t*)event; + + if(emouse->button & RTGUI_MOUSE_BUTTON_LEFT) + {
+ rtgui_widget_focus(widget);
+ /* it's a normal button */ + if(emouse->button & RTGUI_MOUSE_BUTTON_DOWN) + { + btn->flag |= RTGUI_BUTTON_FLAG_PRESS; + } + else + { + btn->flag &= ~RTGUI_BUTTON_FLAG_PRESS; + } + + /* draw button */ + if(widget->on_draw != RT_NULL )
+ widget->on_draw(widget, event); + else
+ { + rtgui_theme_draw_button(btn);
+ } + + /* invokes call back */ + if(widget->on_mouseclick != RT_NULL && emouse->button & RTGUI_MOUSE_BUTTON_UP) + return widget->on_mouseclick(widget, event); + + if(!(btn->flag & RTGUI_BUTTON_FLAG_PRESS) && (btn->on_button != RT_NULL)) + { + /* call on button handler */ + btn->on_button(widget, event); + } + } + + return RT_TRUE; + }
+ default:
+ break; + } + + return RT_FALSE; +} + +void rtgui_button_set_image(rtgui_button_t* btn, rtgui_image_t* image) +{ + if(btn == RT_NULL)return; + + btn->image = image; +} + +void rtgui_button_set_onbutton(rtgui_button_t* btn, rtgui_onbutton_func_t func) +{ + RT_ASSERT(btn != RT_NULL); + + btn->on_button = func; +}
+ +static rt_bool_t rtgui_button_onunfocus(PVOID wdt, rtgui_event_t* event)
+{
+ rtgui_rect_t rect;
+ rtgui_button_t *btn = (rtgui_button_t*)wdt;
+ rtgui_dc_t *dc;
+
+ RT_ASSERT(wdt != RT_NULL);
+
+ dc = rtgui_dc_begin_drawing(wdt);
+ if(dc == RT_NULL)return RT_FALSE;
+ + rtgui_widget_get_rect(btn, &rect);
+
+ if(!RTGUI_WIDGET_IS_FOCUSED(btn)) + {//��������
+ rtgui_color_t color; + rtgui_rect_inflate(&rect, -2);
+ color = RTGUI_DC_FC(dc); + RTGUI_DC_FC(dc) = RTGUI_DC_BC(dc); + rtgui_dc_draw_focus_rect(dc,&rect);
+ RTGUI_DC_FC(dc) = color; + }
+
+ rtgui_dc_end_drawing(dc);
+ + return RT_TRUE;
+}
+
+void rtgui_button_set_text(rtgui_button_t* btn, const char* text) +{ + if(btn == RT_NULL)return;
+
+ rtgui_label_set_text(RTGUI_LABEL(btn), text); + + /* update widget */ + rtgui_theme_draw_button(btn); +} |