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rt-thread/components/rtgui/widgets/notebook.c

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#include <rtgui/dc.h>
#include <rtgui/rtgui.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/widgets/notebook.h>
#include <rtgui/widgets/window.h>
#include <rtgui/image.h>
#define RTGUI_NOTEBOOK_TAB_DEFAULT_WIDTH 80
#define RTGUI_NOTEBOOK_TAB_DEFAULT_HEIGHT 25
struct rtgui_notebook_tab
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
struct rtgui_image *pressed_image;
struct rtgui_image *unpressed_image;
#endif
struct rtgui_widget *widget;
char *title;
};
static void _rtgui_notebook_get_bar_rect(struct rtgui_notebook *notebook, struct rtgui_rect *rect);
static void _rtgui_notebook_get_page_rect(struct rtgui_notebook *notebook, struct rtgui_rect *rect);
static void _rtgui_notebook_constructor(struct rtgui_notebook *notebook)
{
notebook->flag = 0;
notebook->childs = RT_NULL;
notebook->count = 0;
notebook->current = 0;
notebook->tab_h = RTGUI_NOTEBOOK_TAB_DEFAULT_HEIGHT;
notebook->tab_w = RTGUI_NOTEBOOK_TAB_DEFAULT_WIDTH;
RTGUI_WIDGET(notebook)->gc.textalign = RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL;
rtgui_object_set_event_handler(RTGUI_OBJECT(notebook), rtgui_notebook_event_handler);
}
static void _rtgui_notebook_destructor(struct rtgui_notebook *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);
}
}
DEFINE_CLASS_TYPE(notebook, "notebook",
RTGUI_WIDGET_TYPE,
_rtgui_notebook_constructor,
_rtgui_notebook_destructor,
sizeof(struct rtgui_notebook));
/* Draw tab bars of @param notebook. @param dc should be initialized and
* finished outside this function. Don't pass @param notebook or @param dc as
* RT_NULL, it should be checked outside.
*/
static void _rtgui_notebook_draw_bar(struct rtgui_notebook *notebook,
struct rtgui_dc *dc)
{
int index;
struct rtgui_rect rect;
struct rtgui_rect text_rect;
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
struct rtgui_image *image = RT_NULL;
struct rtgui_rect image_rect;
#endif
RT_ASSERT((notebook != RT_NULL) && (dc != RT_NULL));
if (notebook->flag == RTGUI_NOTEBOOK_NOTAB)
return;
_rtgui_notebook_get_bar_rect(notebook, &rect);
rtgui_dc_fill_rect(dc, &rect);
if (notebook->flag == RTGUI_NOTEBOOK_TOP ||
notebook->flag == RTGUI_NOTEBOOK_BOTTOM)
{
rect.x2 = rect.x1 + notebook->tab_w;
/* draw tab bar */
for (index = 0; index < notebook->count; index++)
{
if (notebook->current == index)
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].pressed_image != RT_NULL)
image = notebook->childs[index].pressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
}
else
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].unpressed_image != RT_NULL)
image = notebook->childs[index].unpressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX);
}
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(notebook),
notebook->childs[index].title, &text_rect);
rtgui_rect_moveto_align(&rect, &text_rect, RTGUI_ALIGN_CENTER);
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (image != RT_NULL)
{
image_rect.x1 = 0;
image_rect.y1 = RTGUI_WIDGET_DEFAULT_MARGIN;
image_rect.x2 = image_rect.x1 + image->w;
image_rect.y2 = image_rect.y1 + image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_image_blit(image, dc, &image_rect);
}
if (image != RT_NULL)
{
int text_height = text_rect.y2 - text_rect.y1;
text_rect.y1 = image_rect.y2 + RTGUI_WIDGET_DEFAULT_MARGIN;
text_rect.y2 = text_rect.y1 + text_height;
}
image = RT_NULL;
#endif
rtgui_dc_draw_text(dc, notebook->childs[index].title, &text_rect);
/* move to next tab */
rect.x1 = rect.x2;
rect.x2 = rect.x1 + notebook->tab_w;
}
}
else
{
rect.y2 = rect.y1 + notebook->tab_h;
/* draw tab bar */
for (index = 0; index < notebook->count; index++)
{
if (notebook->current == index)
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].pressed_image != RT_NULL)
image = notebook->childs[index].pressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
}
else
{
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (notebook->childs[index].unpressed_image != RT_NULL)
image = notebook->childs[index].unpressed_image;
else
#endif
rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_BOX);
}
rtgui_font_get_metrics(RTGUI_WIDGET_FONT(notebook),
notebook->childs[index].title, &text_rect);
rtgui_rect_moveto_align(&rect, &text_rect, RTGUI_ALIGN_CENTER);
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
if (image != RT_NULL)
{
image_rect.x1 = 0;
image_rect.y1 = RTGUI_WIDGET_DEFAULT_MARGIN;
image_rect.x2 = image->w;
image_rect.y2 = image_rect.y1 + image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL);
rtgui_image_blit(image, dc, &image_rect);
}
if (image != RT_NULL)
{
int text_height = text_rect.y2 - text_rect.y1;
text_rect.y1 = image_rect.y2 + RTGUI_WIDGET_DEFAULT_MARGIN;
text_rect.y2 = text_rect.y1 + text_height;
}
image = RT_NULL;
#endif
rtgui_dc_draw_text(dc, notebook->childs[index].title, &text_rect);
/* move to next tab */
rect.y1 = rect.y2;
rect.y2 = rect.y1 + notebook->tab_h;
}
}
}
static void _rtgui_notebook_ondraw(struct rtgui_notebook *notebook)
{
struct rtgui_dc *dc;
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(notebook));
if (dc == RT_NULL) return;
if (notebook->count == 0)
{
rtgui_rect_t rect;
rtgui_widget_get_rect(RTGUI_WIDGET(notebook), &rect);
rtgui_dc_fill_rect(dc, &rect);
}
else
{
if (notebook->current == RTGUI_NOT_FOUND)
notebook->current = 0;
_rtgui_notebook_draw_bar(notebook, dc);
/* draw current tab */
rtgui_widget_update(notebook->childs[notebook->current].widget);
}
rtgui_dc_end_drawing(dc);
}
static void _rtgui_notebook_onmouse(struct rtgui_notebook *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;
if (notebook->flag == RTGUI_NOTEBOOK_BOTTOM || notebook->flag == RTGUI_NOTEBOOK_TOP)
{
index = (emouse->x - rect.x1) / notebook->tab_w;
if (index < notebook->count && index != notebook->current)
{
/* 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_draw_bar(notebook, dc);
rtgui_dc_end_drawing(dc);
}
}
else
{
index = (emouse->y - rect.y1) / notebook->tab_h;
if (index < notebook->count && index != notebook->current)
{
/* 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_draw_bar(notebook, dc);
rtgui_dc_end_drawing(dc);
}
}
}
else
{
/* handle on page */
if (RTGUI_OBJECT(notebook->childs[notebook->current].widget)->event_handler != RT_NULL)
RTGUI_OBJECT(notebook->childs[notebook->current].widget)->event_handler(
RTGUI_OBJECT(notebook->childs[notebook->current].widget),
&(emouse->parent));
}
}
static void _rtgui_notebook_get_page_rect(struct rtgui_notebook *notebook, struct rtgui_rect *rect)
{
struct rtgui_rect tab_rect;
RT_ASSERT(notebook != RT_NULL);
RT_ASSERT(rect != RT_NULL);
_rtgui_notebook_get_bar_rect(notebook, &tab_rect);
rtgui_widget_get_rect(RTGUI_WIDGET(notebook), rect);
if (notebook->flag == RTGUI_NOTEBOOK_NOTAB)
return;
else if (notebook->flag == RTGUI_NOTEBOOK_TOP)
{
rect->y1 = tab_rect.y2;
}
else if (notebook->flag == RTGUI_NOTEBOOK_BOTTOM)
{
rect->y2 = tab_rect.y1;
}
else if (notebook->flag == RTGUI_NOTEBOOK_LEFT)
{
rect->x1 = tab_rect.x2;
}
else if (notebook->flag == RTGUI_NOTEBOOK_RIGHT)
{
rect->x2 = tab_rect.x1;
}
}
static void _rtgui_notebook_get_bar_rect(struct rtgui_notebook *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)
{
rect->x1 = rect->y1 = rect->x2 = rect->y2 = 0;
}
else if (notebook->flag == RTGUI_NOTEBOOK_TOP)
{
rect->y2 = rect->y1 + notebook->tab_h;
}
else if (notebook->flag == RTGUI_NOTEBOOK_BOTTOM)
{
rect->y1 = rect->y2 - notebook->tab_h;
}
else if (notebook->flag == RTGUI_NOTEBOOK_LEFT)
{
rect->x2 = rect->x1 + notebook->tab_w;
}
else if (notebook->flag == RTGUI_NOTEBOOK_RIGHT)
{
rect->x1 = rect->x2 - notebook->tab_w;
}
}
struct rtgui_notebook *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);
}
return notebook;
}
void rtgui_notebook_destroy(struct rtgui_notebook *notebook)
{
rtgui_widget_destroy(RTGUI_WIDGET(notebook));
}
void rtgui_notebook_add(struct rtgui_notebook *notebook, const char *label, struct rtgui_widget *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;
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
notebook->childs[notebook->count - 1].pressed_image = RT_NULL;
notebook->childs[notebook->count - 1].unpressed_image = RT_NULL;
#endif
/* set parent */
rtgui_widget_set_parent(child, RTGUI_WIDGET(notebook));
if (notebook->count - 1 != notebook->current)
rtgui_widget_hide(child);
_rtgui_notebook_get_page_rect(notebook, &rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(notebook), &rect);
rtgui_widget_set_rect(child, &rect);
if (RTGUI_WIDGET(notebook)->toplevel != RT_NULL &&
RTGUI_IS_WIN(RTGUI_WIDGET(notebook)->toplevel))
{
struct rtgui_event_update_toplvl eup;
RTGUI_EVENT_UPDATE_TOPLVL_INIT(&eup);
eup.toplvl = RTGUI_WIDGET(notebook)->toplevel;
if (RTGUI_OBJECT(child)->event_handler)
RTGUI_OBJECT(child)->event_handler(RTGUI_OBJECT(child), (struct rtgui_event *)&eup);
}
}
#ifdef RTGUI_USING_NOTEBOOK_IMAGE
void rtgui_notebook_add_image(struct rtgui_notebook *notebook, const char *label, struct rtgui_widget *child,
struct rtgui_image *pressed_image, struct rtgui_image *unpressed_image)
{
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;
notebook->childs[notebook->count - 1].pressed_image = pressed_image;
notebook->childs[notebook->count - 1].unpressed_image = unpressed_image;
/* 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);
if (notebook->count - 1 != notebook->current)
rtgui_widget_hide(child);
if (RTGUI_WIDGET(notebook)->toplevel != RT_NULL &&
RTGUI_IS_WIN(RTGUI_WIDGET(notebook)->toplevel))
{
struct rtgui_event_update_toplvl eup;
RTGUI_EVENT_UPDATE_TOPLVL_INIT(&eup);
eup.toplvl = RTGUI_WIDGET(notebook)->toplevel;
if (RTGUI_OBJECT(child)->event_handler)
RTGUI_OBJECT(child)->event_handler(RTGUI_OBJECT(child), (struct rtgui_event *)&eup);
}
return;
}
#endif
void rtgui_notebook_remove(struct rtgui_notebook *notebook, rt_uint16_t index)
{
struct rtgui_notebook_tab tab;
rt_bool_t need_update = RT_FALSE;
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
{
if (notebook->current == index)
need_update = RT_TRUE;
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);
}
rt_free(tab.title);
if (need_update)
{
if (notebook->current > notebook->count - 1)
notebook->current = notebook->count - 1;
rtgui_widget_hide(tab.widget);
rtgui_widget_show(notebook->childs[notebook->current].widget);
rtgui_widget_update(RTGUI_WIDGET(notebook));
rtgui_widget_set_parent(tab.widget, RT_NULL);
}
}
}
int rtgui_notebook_get_count(struct rtgui_notebook *notebook)
{
RT_ASSERT(notebook != RT_NULL);
return notebook->count;
}
void rtgui_notebook_get_client_rect(struct rtgui_notebook *notebook, struct rtgui_rect *rect)
{
_rtgui_notebook_get_page_rect(notebook, rect);
rtgui_rect_moveto(rect, 0, 0);
}
struct rtgui_widget *rtgui_notebook_get_current(struct rtgui_notebook *notebook)
{
RT_ASSERT(notebook != RT_NULL);
if (notebook->current != RTGUI_NOT_FOUND)
return notebook->childs[notebook->current].widget;
return RT_NULL;
}
rt_int16_t rtgui_notebook_get_current_index(struct rtgui_notebook *notebook)
{
RT_ASSERT(notebook != RT_NULL);
return notebook->current;
}
void rtgui_notebook_set_current(struct rtgui_notebook *notebook, struct rtgui_widget *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(struct rtgui_notebook *notebook, rt_uint16_t index)
{
RT_ASSERT(notebook != RT_NULL);
if ((index < notebook->count) && (notebook->current != index))
{
struct rtgui_widget *widget;
if (notebook->current != RTGUI_NOT_FOUND)
rtgui_widget_hide(notebook->childs[notebook->current].widget);
notebook->current = index;
widget = notebook->childs[notebook->current].widget;
rtgui_widget_show(widget);
rtgui_widget_update_clip(widget);
rtgui_widget_update(widget);
rtgui_widget_focus(widget);
}
}
struct rtgui_widget *rtgui_notebook_get_widget_at(struct rtgui_notebook *notebook, rt_uint16_t index)
{
RT_ASSERT(notebook != RT_NULL);
if (index < notebook->count)
return notebook->childs[index].widget;
return RT_NULL;
}
static rt_bool_t _rtgui_notebook_current_widget_handle(struct rtgui_notebook *notebook,
struct rtgui_event *event)
{
struct rtgui_widget *widget = rtgui_notebook_get_current(notebook);
if (widget && widget != RTGUI_WIDGET(notebook))
return RTGUI_OBJECT(widget)->event_handler(RTGUI_OBJECT(widget), event);
else
return RT_FALSE;
}
static void _rtgui_notebook_all_widget_handle(struct rtgui_notebook *notebook,
struct rtgui_event *event)
{
struct rtgui_object *object;
int i;
for (i = 0; i < notebook->count; i++)
{
object = RTGUI_OBJECT(notebook->childs[i].widget);
if (object->event_handler)
object->event_handler(object, event);
}
}
rt_bool_t rtgui_notebook_event_handler(struct rtgui_object *object, struct rtgui_event *event)
{
int page_index;
rtgui_rect_t rect;
struct rtgui_notebook *notebook;
RT_ASSERT(object != RT_NULL);
RT_ASSERT(event != RT_NULL);
notebook = RTGUI_NOTEBOOK(object);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
_rtgui_notebook_ondraw(notebook);
break;
case RTGUI_EVENT_MOUSE_BUTTON:
_rtgui_notebook_onmouse(notebook, (struct rtgui_event_mouse *)event);
break;
case RTGUI_EVENT_SHOW:
/* show myself */
rtgui_widget_onshow(object, event);
/* show the tab widget */
return _rtgui_notebook_current_widget_handle(notebook, event);
case RTGUI_EVENT_HIDE:
/* hide myself */
rtgui_widget_onhide(object, event);
/* hide the tab widget */
return _rtgui_notebook_current_widget_handle(notebook, event);
case RTGUI_EVENT_KBD:
return _rtgui_notebook_current_widget_handle(notebook, event);
case RTGUI_EVENT_UPDATE_TOPLVL:
/* update myself */
rtgui_widget_onupdate_toplvl(object, event);
/* update all the widgets in myself */
_rtgui_notebook_all_widget_handle(notebook, event);
return RT_FALSE;
case RTGUI_EVENT_RESIZE:
/* re-size page widget */
_rtgui_notebook_get_page_rect(notebook, &rect);
rtgui_widget_rect_to_device(RTGUI_WIDGET(notebook), &rect);
for (page_index = 0; page_index < notebook->count; page_index ++)
{
rtgui_widget_set_rect(notebook->childs[page_index].widget, &rect);
}
break;
default:
/* use parent event handler */
return rtgui_widget_event_handler(object, event);
}
return RT_FALSE;
}
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