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#include <rtgui/dc.h>
#include <rtgui/rtgui.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/widgets/notebook.h>
#define RTGUI_NOTEBOOK_TAB_WIDTH 80
static void _rtgui_notebook_get_bar_rect(rtgui_notebook_t *notebook, struct rtgui_rect* rect);
static void _rtgui_notebook_get_page_rect(rtgui_notebook_t *notebook, struct rtgui_rect* rect);
static void _rtgui_notebook_constructor(rtgui_notebook_t *notebook)
{
notebook->flag = 0;
notebook->childs = RT_NULL;
notebook->count = 0;
notebook->current = RTGUI_NOT_FOUND;
RTGUI_WIDGET(notebook)->gc.textalign = RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL;
rtgui_widget_set_event_handler(RTGUI_WIDGET(notebook), rtgui_notebook_event_handler);
}
static void _rtgui_notebook_destructor(rtgui_notebook_t *notebook)
{
int index;
if (notebook->childs != RT_NULL)
{
for (index = 0; index < notebook->count; index ++)
{
rtgui_widget_destroy(notebook->childs[index].widget);
rt_free(notebook->childs[index].title);
}
rtgui_free(notebook->childs);
}
}
static void _rtgui_notebook_ondraw(rtgui_notebook_t *notebook)
{
struct rtgui_dc* dc;
rtgui_rect_t rect;
int index;
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(notebook));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(notebook), &rect);
if (notebook->count == 0)
{
rtgui_dc_fill_rect(dc, &rect);
}
else
{
if (notebook->current == RTGUI_NOT_FOUND)
notebook->current = 0;
_rtgui_notebook_get_bar_rect(notebook, &rect);
rtgui_dc_fill_rect(dc, &rect);
rect.x2 = rect.x1 + RTGUI_NOTEBOOK_TAB_WIDTH;
/* draw tab bar */
for (index = 0; index < notebook->count; index ++)
{
if (notebook->current == index)
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
else
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX);
rtgui_dc_draw_text(dc, notebook->childs[index].title, &rect);
rect.x1 += RTGUI_NOTEBOOK_TAB_WIDTH;
rect.x2 += RTGUI_NOTEBOOK_TAB_WIDTH;
}
/* draw current tab */
rtgui_widget_update(notebook->childs[notebook->current].widget);
}
rtgui_dc_end_drawing(dc);
}
static void _rtgui_notebook_onmouse(rtgui_notebook_t *notebook, struct rtgui_event_mouse* emouse)
{
rtgui_rect_t rect;
/* handle notebook bar */
_rtgui_notebook_get_bar_rect(notebook, &rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(notebook), &rect);
if (rtgui_rect_contains_point(&rect, emouse->x, emouse->y) == RT_EOK)
{
int index;
struct rtgui_dc* dc;
index = (emouse->x - rect.x1) / RTGUI_NOTEBOOK_TAB_WIDTH;
if (index < notebook->count)
{
/* update tab bar */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(notebook));
if (dc == RT_NULL) return;
rtgui_notebook_set_current_by_index(notebook, index);
_rtgui_notebook_get_bar_rect(notebook, &rect);
rtgui_dc_fill_rect(dc, &rect);
rect.x2 = rect.x1 + RTGUI_NOTEBOOK_TAB_WIDTH;
/* draw tab bar */
for (index = 0; index < notebook->count; index ++)
{
if (notebook->current == index)
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
else
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX);
rtgui_dc_draw_text(dc, notebook->childs[index].title, &rect);
rect.x1 += RTGUI_NOTEBOOK_TAB_WIDTH;
rect.x2 += RTGUI_NOTEBOOK_TAB_WIDTH;
}
rtgui_dc_end_drawing(dc);
return;
}
}
/* handle on page */
if (notebook->childs[notebook->current].widget->event_handler != RT_NULL)
notebook->childs[notebook->current].widget->event_handler(notebook->childs[notebook->current].widget,
&(emouse->parent));
}
static void _rtgui_notebook_get_page_rect(rtgui_notebook_t *notebook, struct rtgui_rect* rect)
{
RT_ASSERT(notebook != RT_NULL);
RT_ASSERT(rect != RT_NULL);
rtgui_widget_get_rect(RTGUI_WIDGET(notebook), rect);
if (notebook->flag == RTGUI_NOTEBOOK_NOTAB) return;
else if (notebook->flag == RTGUI_NOTEBOOK_TOP)
rect->y1 = rect->y1 + 25;
else if (notebook->flag == RTGUI_NOTEBOOK_BOTTOM)
rect->y2 = rect->y2 - 25;
}
static void _rtgui_notebook_get_bar_rect(rtgui_notebook_t *notebook, struct rtgui_rect* rect)
{
RT_ASSERT(notebook != RT_NULL);
RT_ASSERT(rect != RT_NULL);
rtgui_widget_get_rect(RTGUI_WIDGET(notebook), rect);
if (notebook->flag == RTGUI_NOTEBOOK_NOTAB) return;
else if (notebook->flag == RTGUI_NOTEBOOK_TOP)
rect->y2 = rect->y1 + 25;
else if (notebook->flag == RTGUI_NOTEBOOK_BOTTOM)
rect->y1 = rect->y2 - 25;
}
DEFINE_CLASS_TYPE(notebook, "notebook",
RTGUI_CONTAINER_TYPE,
_rtgui_notebook_constructor,
_rtgui_notebook_destructor,
sizeof(struct rtgui_notebook));
rtgui_notebook_tab_t *tabs;
struct rtgui_notebook *_notebook;
rtgui_notebook_t* rtgui_notebook_create(const rtgui_rect_t* rect, rt_uint8_t style)
{
struct rtgui_notebook* notebook;
notebook = (struct rtgui_notebook*) rtgui_widget_create (RTGUI_NOTEBOOK_TYPE);
if (notebook != RT_NULL)
{
notebook->flag = style;
rtgui_widget_set_rect(RTGUI_WIDGET(notebook), rect);
}
_notebook = notebook;
return notebook;
}
void rtgui_notebook_destroy(rtgui_notebook_t* notebook)
{
rtgui_widget_destroy(RTGUI_WIDGET(notebook));
}
void rtgui_notebook_add(rtgui_notebook_t* notebook, const char* label, rtgui_widget_t* child)
{
rtgui_rect_t rect;
RT_ASSERT(notebook != RT_NULL);
notebook->count += 1;
notebook->childs = (struct rtgui_notebook_tab*) rtgui_realloc(notebook->childs,
sizeof(struct rtgui_notebook_tab) * notebook->count);
notebook->childs[notebook->count - 1].title = rt_strdup(label);
notebook->childs[notebook->count - 1].widget = child;
tabs = notebook->childs;
/* set parent */
rtgui_widget_set_parent(child, RTGUI_WIDGET(notebook));
_rtgui_notebook_get_page_rect(notebook, &rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(notebook), &rect);
rtgui_widget_set_rect(child, &rect);
}
void rtgui_notebook_remove(rtgui_notebook_t* notebook, rt_uint16_t index)
{
struct rtgui_notebook_tab tab;
RT_ASSERT(notebook != RT_NULL);
if (index < notebook->count)
{
if (notebook->count == 1)
{
tab = notebook->childs[0];
rtgui_free(notebook->childs);
notebook->childs = RT_NULL;
notebook->count = 0;
}
else
{
tab = notebook->childs[index];
for (;index < notebook->count - 1; index ++)
{
notebook->childs[index] = notebook->childs[index + 1];
}
notebook->count -= 1;
notebook->childs = (struct rtgui_notebook_tab*) rtgui_realloc(notebook->childs,
sizeof(struct rtgui_notebook_tab) * notebook->count);
}
rtgui_widget_destroy(tab.widget);
rtgui_free(tab.title);
if (notebook->current == index)
{
/* update tab */
if (notebook->current > notebook->count - 1)
notebook->current = notebook->count - 1;
rtgui_widget_update(RTGUI_WIDGET(notebook));
}
}
}
int rtgui_notebook_get_count(rtgui_notebook_t* notebook)
{
return notebook->count;
}
rtgui_widget_t* rtgui_notebook_get_current(rtgui_notebook_t* notebook)
{
RT_ASSERT(notebook != RT_NULL);
if (notebook->current != RTGUI_NOT_FOUND)
return notebook->childs[notebook->current].widget;
return RT_NULL;
}
void rtgui_notebook_set_current(rtgui_notebook_t* notebook, rtgui_widget_t* widget)
{
rt_int16_t index;
RT_ASSERT(notebook != RT_NULL);
for (index = 0; index < notebook->count; index ++)
{
if (widget == notebook->childs[index].widget)
{
rtgui_notebook_set_current_by_index(notebook, index);
return;
}
}
}
void rtgui_notebook_set_current_by_index(rtgui_notebook_t* notebook, rt_uint16_t index)
{
RT_ASSERT(notebook != RT_NULL);
if ((index < notebook->count) && (notebook->current != index))
{
if (notebook->current != RTGUI_NOT_FOUND)
rtgui_widget_hide(notebook->childs[notebook->current].widget);
notebook->current = index;
rtgui_widget_show(notebook->childs[notebook->current].widget);
rtgui_widget_update(notebook->childs[notebook->current].widget);
}
}
rtgui_widget_t* rtgui_notebook_get_index(rtgui_notebook_t* notebook, rt_uint16_t index)
{
RT_ASSERT(notebook != RT_NULL);
if (index < notebook->count)
return notebook->childs[index].widget;
return RT_NULL;
}
rt_bool_t rtgui_notebook_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
struct rtgui_notebook* notebook;
notebook = RTGUI_NOTEBOOK(widget);
if (event->type == RTGUI_EVENT_PAINT)
{
_rtgui_notebook_ondraw(notebook);
}
else if (event->type == RTGUI_EVENT_MOUSE_BUTTON)
{
_rtgui_notebook_onmouse(notebook, (struct rtgui_event_mouse*)event);
}
else if (event->type == RTGUI_EVENT_KBD)
{
if (notebook->current != RTGUI_NOT_FOUND)
{
if (notebook->childs[notebook->current].widget->event_handler != RT_NULL)
return notebook->childs[notebook->current].widget->event_handler(notebook->childs[notebook->current].widget,
event);
}
}
else
{
/* use parent event handler */
return rtgui_widget_event_handler(widget, event);
}
return RT_FALSE;
}
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