1 files changed, 547 insertions, 0 deletions
diff --git a/components/rtgui_win/widgets/textbox.c b/components/rtgui_win/widgets/textbox.c
new file mode 100644
index 0000000000..f3f77e908a
--- /dev/null
+++ b/components/rtgui_win/widgets/textbox.c
@@ -0,0 +1,547 @@
+/*
+ * File      : textbox.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/rtgui.h>
+#include <rtgui/dc.h>
+#include <rtgui/rtgui_theme.h>
+#include <rtgui/rtgui_system.h>
+#include <rtgui/widgets/textbox.h>
+#include <rtgui/widgets/widget.h>
+
+#include <ctype.h>
+
+static void rtgui_textbox_timeout(rtgui_timer_t* timer, void* parameter);
+static rt_bool_t rtgui_textbox_onkey(PVOID wdt, rtgui_event_t* event);
+static rt_bool_t rtgui_textbox_onfocus(PVOID wdt, rtgui_event_t* event);
+static rt_bool_t rtgui_textbox_onunfocus(PVOID wdt, rtgui_event_t* event);
+
+
+void _rtgui_textbox_constructor(rtgui_textbox_t *box)
+{
+	rtgui_rect_t rect;
+
+	RTGUI_WIDGET_FLAG(box) |= RTGUI_WIDGET_FLAG_FOCUSABLE;
+
+	rtgui_widget_set_event_handler(box, rtgui_textbox_event_handler);
+	rtgui_widget_set_onfocus(box, rtgui_textbox_onfocus);
+	rtgui_widget_set_onunfocus(box, rtgui_textbox_onunfocus);
+	rtgui_widget_set_onkey(box,rtgui_textbox_onkey);
+
+	RTGUI_WIDGET_BACKGROUND(box) = white;
+	/* set default text align */
+	RTGUI_WIDGET_TEXTALIGN(box) = RTGUI_ALIGN_CENTER_VERTICAL;
+	rtgui_widget_set_style(box, RTGUI_BORDER_SUNKEN);
+	/* set proper of control ����һ�������͵Ŀ��ƶ�ʱ��*/
+	box->caret_timer = rtgui_timer_create(100, RT_TIMER_FLAG_PERIODIC,rtgui_textbox_timeout, box);
+	
+	//��ʼ��...��ǰ��,��ʼ��,�ڵ�ǰ���е�λ��
+	box->line = box->line_begin = box->position = 0;
+	box->flag = RTGUI_TEXTBOX_NONE; //����(Ĭ��)
+	box->isedit = RT_TRUE;//Ĭ���ǿ��Ա༭��
+	/* allocate default line buffer ����Ĭ�ϵ��л��� */
+	box->text = RT_NULL;
+
+	rtgui_font_get_string_rect(RTGUI_WIDGET_FONT(box), "h", &rect);
+	box->font_width = rtgui_rect_width(rect);
+	box->on_change = RT_NULL;
+	box->on_enter = RT_NULL;
+}
+
+void _rtgui_textbox_deconstructor(rtgui_textbox_t *textbox)
+{
+	if(textbox->text != RT_NULL)
+	{
+		rt_free(textbox->text);
+		textbox->text = RT_NULL;
+	}
+	if(textbox->caret_timer != RT_NULL)
+		rtgui_timer_destory(textbox->caret_timer);
+	textbox->caret_timer = RT_NULL;
+
+}
+
+rtgui_type_t *rtgui_textbox_type_get(void)
+{
+	static rtgui_type_t *textbox_type = RT_NULL;
+
+	if(!textbox_type)
+	{
+		textbox_type = rtgui_type_create("textbox", RTGUI_WIDGET_TYPE,
+			sizeof(rtgui_textbox_t),
+			RTGUI_CONSTRUCTOR(_rtgui_textbox_constructor),
+			RTGUI_DESTRUCTOR(_rtgui_textbox_deconstructor));
+	}
+
+	return textbox_type;
+}
+
+//#include <rthw.h>
+//���Ʊ༭����
+void rtgui_textbox_draw_caret(rtgui_textbox_t* box, rt_uint16_t position)
+{
+	int x,y;
+//	rtgui_color_t color;
+	rtgui_rect_t rect;
+	int font_h,box_h;
+	rtgui_dc_t *dc;
+
+	RT_ASSERT(box != RT_NULL);
+
+	dc = rtgui_dc_begin_drawing(box);
+	if(dc == RT_NULL)return;
+
+	rtgui_widget_get_rect(box, &rect);
+
+	font_h = rtgui_font_get_font_height(RTGUI_WIDGET_FONT(box));
+	box_h = rtgui_rect_height(rect);
+
+	rect.x1 += position * box->font_width+2;
+	rect.x2 = rect.x1+2;
+	rect.y1 += (box_h-font_h)/2;
+	rect.y2 = rect.y1 + font_h;
+
+	for(x=rect.x1;x<rect.x2;x++)
+	{
+		for(y=rect.y1;y<rect.y2;y++)
+		{
+//			rt_hw_lcd_get_pixel(color,x,y);
+//			color ^= white;
+//			rtgui_dc_draw_point(box, color,x,y);
+
+			if(box->flag & RTGUI_TEXTBOX_CARET_SHOW)
+			{
+				RTGUI_DC_FC(dc) = black;
+				rtgui_dc_draw_point(dc, x,y);
+			}
+			else
+			{
+				RTGUI_DC_FC(dc) = white;
+				rtgui_dc_draw_point(dc, x,y);
+			}
+		}
+	}
+	
+	rtgui_dc_end_drawing(dc);		
+}
+
+static void rtgui_textbox_timeout(rtgui_timer_t* timer, void* parameter)
+{
+	rtgui_textbox_t* box;
+	
+	box = (rtgui_textbox_t*)parameter;
+	/* set caret flag */
+	if(box->flag & RTGUI_TEXTBOX_CARET_SHOW)
+		box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
+	else
+		box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
+
+	rtgui_textbox_draw_caret(box,box->position);
+
+	return ;
+}
+
+static void rtgui_textbox_onmouse(rtgui_textbox_t* box, rtgui_event_mouse_t* event)
+{
+	rt_size_t length;
+	rt_uint16_t posbak = box->position;
+
+	RT_ASSERT(box != RT_NULL);
+	RT_ASSERT(event != RT_NULL);
+
+	if(box->isedit == RT_FALSE)return;
+
+	length = rt_strlen(box->text);
+
+	if(event->button & RTGUI_MOUSE_BUTTON_LEFT && event->button & RTGUI_MOUSE_BUTTON_DOWN)
+	{
+		rt_int32_t x;
+		if(!box->isedit)return;
+		if(box->flag & RTGUI_TEXTBOX_MULTI)
+		{//�����ı�
+			/* set widget focus */
+			rtgui_widget_focus(box);
+
+			//add codes at here.
+			//...
+						
+			box->position = 0;
+			box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
+			rtgui_textbox_draw_caret(box,box->position);
+		}
+		else
+		{//�����ı�
+			/* set caret position */
+			x = event->x - RTGUI_WIDGET(box)->extent.x1;
+			if(x < 0)
+			{
+				box->position = 0;
+			}
+			else if(x > length * box->font_width)
+			{
+				box->position = length;
+			}
+			else
+			{
+				box->position = x / box->font_width;
+			}
+
+			//�ı���λ��,�����һ��λ����ʾ�˱༭����,�����֮.
+			if(box->flag & RTGUI_TEXTBOX_CARET_SHOW)
+			{
+				rtgui_timer_stop(box->caret_timer);
+		
+				box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
+				rtgui_textbox_draw_caret(box, posbak);//��ˢ�����±༭����,�������ʾ״̬
+		
+				rtgui_timer_start(box->caret_timer);
+			}
+
+			/* set widget focus */
+			rtgui_widget_focus(box);
+	
+			/* draw caret ���Ʊ༭���� */
+			rtgui_textbox_draw_caret(box,box->position);
+		}
+	}
+}
+
+static rt_bool_t rtgui_textbox_onkey(PVOID wdt, rtgui_event_t* event)
+{
+	rtgui_textbox_t* box = (rtgui_textbox_t*)wdt;
+	rtgui_event_kbd_t* ekbd = (rtgui_event_kbd_t*)event;
+	rt_size_t length;
+	rt_uint16_t posbak = box->position;
+
+	RT_ASSERT(box != RT_NULL);
+	RT_ASSERT(ekbd != RT_NULL);
+
+	length = rt_strlen(box->text);
+	if(ekbd->key == RTGUIK_DELETE)
+	{//ɾ����������ַ�
+		if(box->position == length - 1)
+		{
+			box->text[box->position] = '\0';
+		}
+		else
+		{
+			char *c;
+
+			/* remove character */
+			for(c = &box->text[box->position]; c[1] != '\0'; c++)
+				*c = c[1];
+			*c = '\0';
+		}
+
+		if(box->on_change)box->on_change(box,RT_NULL);
+	}
+	else if(ekbd->key == RTGUIK_BACKSPACE)
+	{//ɾ�����ǰ����ַ�
+		
+		if(box->position == length - 1)
+		{
+			box->text[box->position] = '\0';
+			box->position --;
+		}
+		else if(box->position != 0)
+		{
+			/* remove current character */
+			if(box->position != 0)
+			{
+				char *c;
+
+				/* remove character */
+				for(c = &box->text[box->position - 1]; c[1] != '\0'; c++)
+					*c = c[1];
+				*c = '\0';
+			}
+			box->position --;
+		}
+
+		if(box->on_change)box->on_change(box,RT_NULL);
+	}
+	else if(ekbd->key == RTGUIK_LEFT)
+	{//��������ƶ�һ���ַ�λ
+		if(box->position > 0) 
+		{
+			box->position --;
+		}
+	}
+	else if(ekbd->key == RTGUIK_RIGHT)
+	{//��������ƶ�һ���ַ�λ
+		if(box->position < length) 
+		{
+			box->position ++;
+		}
+	}
+	else if(ekbd->key == RTGUIK_HOME)
+	{//����ƶ�������
+		box->position = 0;
+	}
+	else if(ekbd->key == RTGUIK_END)
+	{//����ƶ�����β
+		box->position = length;
+	}
+	else if(ekbd->key == RTGUIK_RETURN)
+	{
+		if(box->on_enter != RT_NULL)
+		{
+			box->on_enter(box, RT_NULL);
+		}
+	}
+	else if(ekbd->key == RTGUIK_NUMLOCK)//���ּ���Ч
+	{
+		/* change numlock state */
+	}
+	else
+	{
+		if(isprint(ekbd->key))
+		{//�ǿɴ�ӡ�ַ�������
+			/* no buffer on this line */
+			if(box->flag & RTGUI_TEXTBOX_DIGIT)
+			{//��������Ϊ����
+				if(!isdigit(ekbd->key))
+				{//����'.'��'-'
+					if(ekbd->key != '.' && ekbd->key !='-')return RT_FALSE;
+					if(ekbd->key == '.' && strchr(box->text,'.'))return RT_FALSE;
+					
+					if(ekbd->key == '-')
+					{//������ģʽ��,������������
+						if(length+1 > box->line_length) return RT_FALSE;
+						if(length+1 > box->dis_length) return RT_FALSE;
+						
+						if(strchr(box->text,'-'))
+						{//��ǰ�Ѿ���Ϊ����
+							char* c;
+							for(c = &box->text[0]; c != &box->text[length]; c++)
+								*c = *(c+1);
+							box->text[length] = '\0';
+							box->position --;
+							goto _exit;
+						}
+						else
+						{
+							char* c;
+							for(c = &box->text[length]; c != &box->text[0]; c--)
+								*c = *(c-1);
+							box->text[0] = '-';
+							box->text[length+1] = '\0';
+							box->position ++;
+							goto _exit;
+						}	
+					}
+				}
+				//rt_kprintf("%c ",ekbd->key);//debug printf
+			}
+			if(length+1 > box->line_length) return RT_FALSE;
+			if(length+1 > box->dis_length) return RT_FALSE;
+
+			if(box->position <= length-1)
+			{
+				char* c;
+
+				for(c = &box->text[length]; c != &box->text[box->position]; c--)
+					*c = *(c-1);
+				box->text[length+1] = '\0';
+			}
+
+			box->text[box->position] = ekbd->key;
+			box->position ++;
+
+			if(box->on_change)box->on_change(box,RT_NULL);
+		}
+	}
+
+_exit:
+	//�ı���λ��,�����һ��λ����ʾ�˱༭����,�����֮.
+	if(box->flag & RTGUI_TEXTBOX_CARET_SHOW)
+	{
+		rtgui_timer_stop(box->caret_timer);
+
+		box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
+		rtgui_textbox_draw_caret(box, posbak);//��ˢ��һ�±༭����,�������ʾ״̬
+
+		rtgui_timer_start(box->caret_timer);
+	}
+	/* set widget focus */
+	rtgui_widget_focus(box);
+	/* set caret to show */
+	box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
+	/* re-draw text box */
+	rtgui_theme_draw_textbox(box);
+	/* draw caret ���Ʊ༭���� */
+	rtgui_textbox_draw_caret(box,box->position);
+
+	return RT_TRUE;
+}
+
+static rt_bool_t rtgui_textbox_onfocus(PVOID wdt, rtgui_event_t* event)
+{
+	rtgui_widget_t *widget = (rtgui_widget_t*)wdt;
+	rtgui_textbox_t* box = (rtgui_textbox_t*)widget;
+
+	/* set caret to show */
+	box->flag |= RTGUI_TEXTBOX_CARET_SHOW;//�༭����
+	/* start caret timer */
+	rtgui_timer_start(box->caret_timer);
+
+	return RT_TRUE;
+}
+
+static rt_bool_t rtgui_textbox_onunfocus(PVOID wdt, rtgui_event_t* event)
+{
+	rtgui_widget_t *widget = (rtgui_widget_t*)wdt;
+	rtgui_textbox_t* box = (rtgui_textbox_t*)widget;
+
+	/* stop caret timer */
+	rtgui_timer_stop(box->caret_timer);
+
+	/* set caret to hide */
+	box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
+	rtgui_textbox_draw_caret(box,box->position);
+
+	if(box->on_enter)box->on_enter(box,event);
+
+	rtgui_theme_draw_textbox(box);
+
+	return RT_TRUE;
+}
+
+rt_bool_t rtgui_textbox_event_handler(PVOID wdt, rtgui_event_t* event)
+{
+	rtgui_widget_t *widget = (rtgui_widget_t*)wdt;
+	rtgui_textbox_t* box = (rtgui_textbox_t*)widget;
+	
+	switch (event->type)
+	{
+		case RTGUI_EVENT_PAINT:
+			if(widget->on_draw != RT_NULL) widget->on_draw(widget, event);
+			else 
+				rtgui_theme_draw_textbox(box);
+			break;
+	
+		case RTGUI_EVENT_MOUSE_BUTTON:
+			if(widget->on_mouseclick != RT_NULL) widget->on_mouseclick(widget, event);
+			else 
+				rtgui_textbox_onmouse(box, (rtgui_event_mouse_t*)event);
+			return RT_TRUE;
+	
+		case RTGUI_EVENT_KBD:
+			if(widget->on_key != RT_NULL) 
+				widget->on_key(widget, event);
+
+			return RT_TRUE;
+		default:
+			return rtgui_widget_event_handler(widget,event);
+			
+	}
+
+	return RT_FALSE;
+}
+
+rtgui_textbox_t* rtgui_textbox_create(PVOID parent,const char* text,int left,int top,int w,int h, rt_uint32_t flag)
+{
+    rtgui_textbox_t* box;
+	
+	RT_ASSERT(parent != RT_NULL);
+
+    box = rtgui_widget_create(RTGUI_TEXTBOX_TYPE);
+    if(box != RT_NULL)
+    {
+		rtgui_rect_t rect;
+		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(box,&rect);
+
+		/* allocate default line buffer */
+		rtgui_textbox_set_value(box, text);
+
+		box->flag = flag;
+		//�趨����ʾ�ַ�����
+		box->dis_length = (w-5)/rtgui_font_get_font_width(RTGUI_WIDGET_FONT(box));
+
+		rtgui_container_add_child(parent, box);
+	}
+
+	return box;
+}
+
+void rtgui_textbox_destroy(rtgui_textbox_t* box)
+{
+	rtgui_widget_destroy(box);
+}
+
+//��һ���ı���������һ��textbox�ؼ�
+void rtgui_textbox_set_value(rtgui_textbox_t* box, const char* text)
+{
+	if(box->text != RT_NULL)
+	{//�Ѿ�������
+		/* free the old text */
+		rt_free(box->text);
+		box->text = RT_NULL;
+	}
+
+	//ԭ��û������
+	box->line_length = ((rt_strlen(text)+1)/RTGUI_TEXTBOX_LINE_MAX+1)*RTGUI_TEXTBOX_LINE_MAX;
+
+	/* allocate line buffer */
+	box->text = rt_malloc(box->line_length);  
+	rt_memset(box->text, 0, box->line_length);
+
+	/* copy text */
+	rt_memcpy(box->text, text, rt_strlen(text) + 1);
+
+	/* set current position */
+	box->position = rt_strlen(text);
+}
+
+const char* rtgui_textbox_get_value(rtgui_textbox_t* box)
+{
+	return (const char*)box->text;
+}
+
+void rtgui_textbox_set_line_length(rtgui_textbox_t* box, rt_size_t length)
+{
+	rt_uint8_t* new_line;
+
+	RT_ASSERT(box != RT_NULL);
+
+	/* invalid length */
+	if(length <= 0) return;
+
+	new_line = rt_malloc(length);
+	if(length < box->line_length)
+	{
+		rt_memcpy(new_line, box->text, length - 1);
+		new_line[length] = '\0';
+	}
+	else
+	{
+		rt_memcpy(new_line, (const char*)box->text, rt_strlen((const char*)box->text));
+	}
+
+	/* set line length */
+	box->line_length = length;
+}
+
+//ȡ��textbox�ؼ����ı���ʾ����
+void rtgui_textbox_get_edit_rect(rtgui_textbox_t *box,rtgui_rect_t *rect)
+{
+	rtgui_widget_get_rect(box, rect);
+	rtgui_rect_inflate(rect,-1);
+}
+
+