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rt-thread/rtgui/common/rtgui_theme.c

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/*
* File : rtgui_theme.c
* This file is part of RTGUI in 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
* 2009-10-04 Bernard first version
*/
#include <rtgui/rtgui.h>
#include <rtgui/dc.h>
#include <rtgui/widgets/widget.h>
#include <rtgui/widgets/button.h>
#include <rtgui/widgets/label.h>
#include <rtgui/widgets/textbox.h>
#include <rtgui/widgets/iconbox.h>
#include <rtgui/widgets/title.h>
#include <rtgui/rtgui_theme.h>
#include <rtgui/rtgui_server.h>
#include <rtgui/rtgui_system.h>
#define SELECTED_HEIGHT 25
const rtgui_color_t default_foreground = RTGUI_RGB(0x00, 0x00, 0x00);
const rtgui_color_t default_background = RTGUI_RGB(212, 208, 200);
const rtgui_color_t selected_color = RTGUI_RGB(0xc0, 0xc0, 0xc0);
extern struct rtgui_font rtgui_font_asc16;
extern struct rtgui_font rtgui_font_arial16;
extern struct rtgui_font rtgui_font_asc12;
extern struct rtgui_font rtgui_font_arial12;
/* init theme */
void rtgui_system_theme_init()
{
#if RTGUI_DEFAULT_FONT_SIZE == 16
rtgui_font_set_defaut(&rtgui_font_asc16);
#elif RTGUI_DEFAULT_FONT_SIZE == 12
rtgui_font_set_defaut(&rtgui_font_asc12);
#else
rtgui_font_set_defaut(&rtgui_font_asc12);
#endif
}
static const rt_uint8_t close_byte[14] = {0x06, 0x18, 0x03, 0x30, 0x01, 0xE0, 0x00,
0xC0, 0x01, 0xE0, 0x03, 0x30, 0x06, 0x18
};
/* window drawing */
void rtgui_theme_draw_win(struct rtgui_topwin* win)
{
struct rtgui_dc* dc;
rtgui_rect_t rect;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(win->title));
if (dc == RT_NULL) return;
/* get rect */
rtgui_widget_get_rect(RTGUI_WIDGET(win->title), &rect);
/* draw border */
if (win->flag & WINTITLE_BORDER)
{
rect.x2 -= 1; rect.y2 -= 1;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(212, 208, 200);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y1);
rtgui_dc_draw_vline(dc, rect.x1, rect.y1, rect.y2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = white;
rtgui_dc_draw_hline(dc, rect.x1 + 1, rect.x2 - 1, rect.y1 + 1);
rtgui_dc_draw_vline(dc, rect.x1 + 1, rect.y1 + 1, rect.y2 - 1);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(128, 128, 128);
rtgui_dc_draw_hline(dc, rect.x1 + 1, rect.x2 - 1, rect.y2 - 1);
rtgui_dc_draw_vline(dc, rect.x2 - 1, rect.y1 + 1, rect.y2 - 1);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(64, 64, 64);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y2);
rtgui_dc_draw_vline(dc, rect.x2, rect.y1, rect.y2);
/* shrink border */
rtgui_rect_inflate(&rect, -WINTITLE_BORDER_SIZE);
}
/* draw title */
if (!(win->flag & WINTITLE_NO))
{
rt_uint32_t index;
float r, g, b, delta;
if (win->flag & WINTITLE_ACTIVATE)
{
r = 10; g = 36; b = 106;
delta = 150 / (float)(rect.x2 - rect.x1);
}
else
{
r = 128; g = 128; b = 128;
delta = 64 / (float)(rect.x2 - rect.x1);
}
for (index = rect.x1; index < rect.x2; index ++)
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(r, g, b);
rtgui_dc_draw_vline(dc, index, rect.y1, rect.y2);
r += delta; g += delta; b += delta;
}
if (win->flag & WINTITLE_ACTIVATE)
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = white;
}
else
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = RTGUI_RGB(212, 208, 200);
}
rect.x1 += 4;
rect.y1 += 2; rect.y2 = rect.y1 + WINTITLE_CB_HEIGHT;
rtgui_dc_draw_text(dc, rtgui_wintitle_get_title(win->title), &rect);
if (win->flag & WINTITLE_CLOSEBOX)
{
/* get close button rect */
rtgui_rect_t box_rect = {0, 0, WINTITLE_CB_WIDTH, WINTITLE_CB_HEIGHT};
rtgui_rect_moveto_align(&rect, &box_rect, RTGUI_ALIGN_CENTER_VERTICAL | RTGUI_ALIGN_RIGHT);
box_rect.x1 -= 3; box_rect.x2 -= 3;
rtgui_dc_fill_rect(dc, &box_rect);
/* draw close box */
if (win->flag & WINTITLE_CB_PRESSED)
{
rtgui_dc_draw_border(dc, &box_rect, RTGUI_BORDER_SUNKEN);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = red;
rtgui_dc_draw_word(dc, box_rect.x1, box_rect.y1 + 6, 7, close_byte);
}
else
{
rtgui_dc_draw_border(dc, &box_rect, RTGUI_BORDER_RAISE);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(win->title)) = black;
rtgui_dc_draw_word(dc, box_rect.x1 - 1, box_rect.y1 + 5, 7, close_byte);
}
}
}
rtgui_dc_end_drawing(dc);
}
/* widget drawing */
void rtgui_theme_draw_button(rtgui_button_t* btn)
{
/* draw button */
struct rtgui_dc* dc;
struct rtgui_rect rect;
rtgui_color_t bc, fc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(btn));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(btn), &rect);
/* get foreground color */
bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(btn));
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn));
if (btn->flag & RTGUI_BUTTON_TYPE_PUSH && btn->flag & RTGUI_BUTTON_FLAG_PRESS)
{
/* fill button rect with background color */
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(64, 64, 64);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y1);
rtgui_dc_draw_vline(dc, rect.x1, rect.y1, rect.y2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(128, 128, 128);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 - 1, rect.y1 + 1);
rtgui_dc_draw_vline(dc, rect.x1 + 1, rect.y1 + 1, rect.y2 - 2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(255, 255, 255);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 + 1, rect.y2 - 1);
rtgui_dc_draw_vline(dc, rect.x2 - 1, rect.y1, rect.y2);
if (btn->pressed_image != RT_NULL)
{
rtgui_rect_t image_rect;
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = btn->unpressed_image->w;
image_rect.y2 = btn->unpressed_image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(btn->pressed_image, dc, &image_rect);
}
}
else if (btn->flag & RTGUI_BUTTON_FLAG_PRESS)
{
if (btn->pressed_image != RT_NULL)
{
rtgui_rect_t image_rect;
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = btn->unpressed_image->w;
image_rect.y2 = btn->unpressed_image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(btn->pressed_image, dc, &image_rect);
}
else
{
/* fill button rect with background color */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(0xff, 0xff, 0xff);
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(0, 0, 0);
rtgui_dc_draw_rect(dc, &rect);
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(128, 128, 128);
rect.x1 += 1; rect.y1 += 1; rect.x2 -= 1; rect.y2 -= 1;
rtgui_dc_draw_rect(dc, &rect);
}
}
else
{
if (btn->unpressed_image != RT_NULL)
{
rtgui_rect_t image_rect;
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = btn->unpressed_image->w;
image_rect.y2 = btn->unpressed_image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(btn->unpressed_image, dc, &image_rect);
}
else
{
/* fill button rect with background color */
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(255, 255, 255);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y1);
rtgui_dc_draw_vline(dc, rect.x1, rect.y1, rect.y2);
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(0, 0, 0);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 + 1, rect.y2);
rtgui_dc_draw_vline(dc, rect.x2, rect.y1, rect.y2);
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(128, 128, 128);
rtgui_dc_draw_hline(dc, rect.x1 + 1, rect.x2, rect.y2 - 1);
rtgui_dc_draw_vline(dc, rect.x2 - 1, rect.y1 + 1, rect.y2 - 1);
}
}
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(btn)))
{
/* re-set foreground and get default rect */
rtgui_widget_get_rect(RTGUI_WIDGET(btn), &rect);
rtgui_rect_inflate(&rect, -2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = black;
rtgui_dc_draw_focus_rect(dc, &rect);
}
/* set forecolor */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(btn)) = bc;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = fc;
if (btn->pressed_image == RT_NULL)
{
/* re-set foreground and get default rect */
rtgui_widget_get_rect(RTGUI_WIDGET(btn), &rect);
/* remove border */
rtgui_rect_inflate(&rect, -2);
/* draw text */
rtgui_dc_draw_text(dc, rtgui_label_get_text(RTGUI_LABEL(btn)), &rect);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
}
void rtgui_theme_draw_label(rtgui_label_t* label)
{
/* draw label */
struct rtgui_dc* dc;
struct rtgui_rect rect;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(label));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(RTGUI_WIDGET(label), &rect);
rtgui_dc_fill_rect(dc, &rect);
/* default left and center draw */
rtgui_dc_draw_text(dc, rtgui_label_get_text(label), &rect);
/* end drawing */
rtgui_dc_end_drawing(dc);
}
#define RTGUI_TEXTBOX_MARGIN 3
void rtgui_theme_draw_textbox(rtgui_textbox_t* box)
{
/* draw button */
struct rtgui_dc* dc;
struct rtgui_rect rect;
rtgui_color_t fc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box));
/* fill widget rect with white color */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = white;
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box)) = RTGUI_RGB(123, 158, 189);
rtgui_dc_draw_rect(dc, &rect);
/* draw text */
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box)) = fc;
if (box->text != RT_NULL)
{
rect.x1 += RTGUI_TEXTBOX_MARGIN;
if (box->flag & RTGUI_TEXTBOX_MASK)
{
/* draw '*' */
rt_size_t len = rt_strlen(box->text);
if (len > 0)
{
char *text_mask = rtgui_malloc(len + 1);
rt_memset(text_mask, '*', len + 1);
text_mask[len] = 0;
rtgui_dc_draw_text(dc, text_mask, &rect);
rt_free(text_mask);
}
}
else
{
rtgui_dc_draw_text(dc, box->text, &rect);
}
/* draw caret */
if (box->flag & RTGUI_TEXTBOX_CARET_SHOW)
{
rect.x1 += box->position * box->font_width;
rect.x2 = rect.x1 + box->font_width;
rect.y2 -= 2;
rect.y1 = rect.y2 - 3;
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = black;
rtgui_dc_fill_rect(dc, &rect);
}
}
/* end drawing */
rtgui_dc_end_drawing(dc);
}
void rtgui_theme_draw_iconbox(rtgui_iconbox_t* iconbox)
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(iconbox));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(iconbox), &rect);
/* draw icon */
rtgui_image_blit(iconbox->image, dc, &rect);
/* draw text */
if (iconbox->text_position == RTGUI_ICONBOX_TEXT_BELOW && iconbox->text != RT_NULL)
{
rect.y1 = iconbox->image->h + RTGUI_WIDGET_DEFAULT_MARGIN;
rtgui_dc_draw_text(dc, iconbox->text, &rect);
}
else if (iconbox->text_position == RTGUI_ICONBOX_TEXT_RIGHT && iconbox->text != RT_NULL)
{
rect.x1 = iconbox->image->w + RTGUI_WIDGET_DEFAULT_MARGIN;
rtgui_dc_draw_text(dc, iconbox->text, &rect);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
}
static const rt_uint8_t checked_byte[7] = {0x02, 0x06, 0x8E, 0xDC, 0xF8, 0x70, 0x20};
void rtgui_theme_draw_checkbox(struct rtgui_checkbox* checkbox)
{
struct rtgui_dc* dc;
struct rtgui_rect rect, box_rect;
rtgui_color_t bc, fc;
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox));
bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(checkbox));
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(checkbox));
if (dc == RT_NULL) return;
/* get rect */
rtgui_widget_get_rect(RTGUI_WIDGET(checkbox), &rect);
/* fill rect */
rtgui_dc_fill_rect(dc, &rect);
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(checkbox)))
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = black;
/* draw focused border */
rtgui_rect_inflate(&rect, -1);
rtgui_dc_draw_focus_rect(dc, &rect);
rtgui_rect_inflate(&rect, 1);
}
/* draw check box */
box_rect.x1 = 0;
box_rect.y1 = 0;
box_rect.x2 = CHECK_BOX_W;
box_rect.y2 = CHECK_BOX_H;
rtgui_rect_moveto_align(&rect, &box_rect, RTGUI_ALIGN_CENTER_VERTICAL);
box_rect.x1 += 2; box_rect.x2 += 2;
rtgui_dc_draw_border(dc, &box_rect, RTGUI_BORDER_BOX);
rtgui_rect_inflate(&box_rect, -1);
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(checkbox)) = RTGUI_RGB(247, 247, 246);
rtgui_dc_fill_rect(dc, &box_rect);
if (checkbox->status_down == RTGUI_CHECKBOX_STATUS_CHECKED)
{
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = RTGUI_RGB(33, 161, 33);
rtgui_dc_draw_byte(dc, box_rect.x1 + 2, box_rect.y1 + 2, 7, checked_byte);
}
/* restore saved color */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(checkbox)) = bc;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(checkbox)) = fc;
/* draw text */
rect.x1 += rtgui_rect_height(rect) - 4 + 5;
rtgui_dc_draw_text(dc, rtgui_label_get_text(RTGUI_LABEL(checkbox)), &rect);
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
}
static const rt_uint8_t radio_unchecked_byte[] =
{
0x0f, 0x00, 0x30, 0xc0, 0x40, 0x20,
0x40, 0x20, 0x80, 0x10, 0x80, 0x10,
0x80, 0x10, 0x80, 0x10, 0x40, 0x20,
0x40, 0x20, 0x30, 0xc0, 0x0f, 0x00,
};
static const rt_uint8_t radio_checked_byte[] =
{
0x0f, 0x00, 0x30, 0xc0, 0x40, 0x20,
0x40, 0x20, 0x86, 0x10, 0x8f, 0x10,
0x8f, 0x10, 0x86, 0x10, 0x40, 0x20,
0x40, 0x20, 0x30, 0xc0, 0x0f, 0x00,
};
void rtgui_theme_draw_radiobox(struct rtgui_radiobox* radiobox)
{
struct rtgui_dc* dc;
struct rtgui_rect rect, item_rect;
rt_size_t item_size, bord_size, index;
rtgui_color_t fc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(radiobox));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(radiobox), &rect);
rtgui_dc_fill_rect(dc, &rect);
item_size = radiobox->item_size;
/* get board size */
if (radiobox->orient == RTGUI_VERTICAL)
bord_size = item_size;
else
{
rtgui_font_get_metrics(rtgui_dc_get_font(dc), "H", &item_rect);
bord_size = rtgui_rect_height(item_rect);
}
/* draw box */
rtgui_rect_inflate(&rect, -bord_size/2);
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox));
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox)) = white;
rect.x1 ++; rect.y1 ++; rect.x2 ++; rect.y2 ++;
rtgui_dc_draw_rect(dc, &rect);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox)) = RTGUI_RGB(128, 128, 128);
rect.x1 --; rect.y1 --; rect.x2 --; rect.y2 --;
rtgui_dc_draw_rect(dc, &rect);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox)) = fc;
rtgui_rect_inflate(&rect, bord_size/2);
if (radiobox->text != RT_NULL)
{
struct rtgui_rect text_rect;
/* draw group text */
rtgui_font_get_metrics(rtgui_dc_get_font(dc), radiobox->text, &text_rect);
rtgui_rect_moveto(&text_rect, rect.x1 + bord_size + 5, rect.y1);
rect.x1 -= 5; rect.x2 += 5;
rtgui_dc_fill_rect(dc, &text_rect);
rect.x1 += 5; rect.x2 -= 5;
rtgui_dc_draw_text(dc, radiobox->text, &text_rect);
}
/* set init item rect */
item_rect = rect;
rtgui_rect_inflate(&item_rect, - bord_size);
if (radiobox->orient == RTGUI_VERTICAL)
{
rt_uint16_t offset;
/* set the first text rect */
item_rect.y2 = item_rect.y1 + item_size;
offset = (item_size - RADIO_BOX_H) / 2;
/* draw each radio button */
for (index = 0; index < radiobox->item_count; index ++)
{
if (item_rect.y2 > rect.y2 - item_size) break;
/* draw radio */
if (radiobox->item_selection == index)
{
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(radiobox)))
rtgui_dc_draw_focus_rect(dc, &item_rect);
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1 + offset, RADIO_BOX_H, radio_checked_byte);
}
else
{
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1 + offset, RADIO_BOX_H, radio_unchecked_byte);
}
/* draw text */
item_rect.x1 += item_size + 3;
rtgui_dc_draw_text(dc, radiobox->items[index], &item_rect);
item_rect.x1 -= item_size + 3;
item_rect.y1 += item_size;
item_rect.y2 += item_size;
}
}
else
{
/* set the first text rect */
item_rect.x2 = item_rect.x1 + item_size;
item_rect.y2 = item_rect.y1 + bord_size;
/* draw each radio button */
for (index = 0; index < radiobox->item_count; index ++)
{
if (item_rect.x2 > rect.x2 - item_size) break;
/* draw radio */
if (radiobox->item_selection == index)
{
rtgui_dc_draw_focus_rect(dc, &item_rect);
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1, RADIO_BOX_H, radio_checked_byte);
}
else
{
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1, RADIO_BOX_H, radio_unchecked_byte);
}
/* draw text */
item_rect.x1 += bord_size + 3;
rtgui_dc_draw_text(dc, radiobox->items[index], &item_rect);
item_rect.x1 -= bord_size + 3;
item_rect.x1 += item_size;
item_rect.x2 += item_size;
}
}
/* end drawing */
rtgui_dc_end_drawing(dc);
}
void rtgui_theme_draw_slider(struct rtgui_slider* slider)
{
/* draw button */
struct rtgui_dc* dc;
int i, xsize, x0;
rtgui_rect_t r, focus_rect, slider_rect, slot_rect;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(slider));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(slider), &focus_rect);
/* fill widget rect with background color */
rtgui_dc_fill_rect(dc, &focus_rect);
r = focus_rect;
if (slider->orient == RTGUI_VERTICAL)
{
rtgui_rect_inflate(&r, -1);
xsize = r.y2 - r.y1 + 1 - slider->thumb_width;
x0 = r.y1 + slider->thumb_width / 2;
/* calculate thumb position */
slider_rect = r;
slider_rect.x1 = 5;
slider_rect.y1 = x0 + xsize * (slider->value - slider->min) / (slider->max - slider->min) - slider->thumb_width/2;
slider_rect.y2 = slider_rect.y1 + slider->thumb_width;
/* calculate slot position */
slot_rect.y1 = x0;
slot_rect.y2 = x0 + xsize;
slot_rect.x1 = (slider_rect.x1 + slider_rect.x2) /2 -1;
slot_rect.x2 = slot_rect.x1 +3;
/* draw slot */
rtgui_dc_draw_border(dc, &slot_rect, RTGUI_BORDER_RAISE);
/* draw the ticks */
for (i = 0; i <= slider->ticks; i++)
{
int x = x0 + xsize * i / slider->ticks;
rtgui_dc_draw_hline(dc, 1, 3, x);
}
/* draw the thumb */
rtgui_dc_fill_rect(dc, &slider_rect);
rtgui_dc_draw_border(dc, &slider_rect, RTGUI_BORDER_RAISE);
}
else
{
rtgui_rect_inflate(&r, -1);
xsize = r.x2 - r.x1 + 1 - slider->thumb_width;
x0 = r.x1 + slider->thumb_width / 2;
/* calculate thumb position */
slider_rect = r;
slider_rect.y1 = 5;
slider_rect.x1 = x0 + xsize * (slider->value - slider->min) / (slider->max - slider->min) - slider->thumb_width/2;
slider_rect.x2 = slider_rect.x1 + slider->thumb_width;
/* calculate slot position */
slot_rect.x1 = x0;
slot_rect.x2 = x0 + xsize;
slot_rect.y1 = (slider_rect.y1 + slider_rect.y2) /2 -1;
slot_rect.y2 = slot_rect.y1 +3;
/* draw slot */
rtgui_dc_draw_border(dc, &slot_rect, RTGUI_BORDER_RAISE);
/* draw the ticks */
for (i = 0; i <= slider->ticks; i++)
{
int x = x0 + xsize * i / slider->ticks;
rtgui_dc_draw_vline(dc, x, 1, 3);
}
/* draw the thumb */
rtgui_dc_fill_rect(dc, &slider_rect);
rtgui_dc_draw_border(dc, &slider_rect, RTGUI_BORDER_RAISE);
}
/* draw focus */
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(slider)))
{
rtgui_dc_draw_focus_rect(dc, &focus_rect);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
}
void rtgui_theme_draw_progressbar(struct rtgui_progressbar* bar)
{
/* draw progress bar */
struct rtgui_dc* dc;
struct rtgui_rect rect;
int max = bar->range;
int pos = bar->position;
int left;
/* begin drawing */
dc = rtgui_dc_begin_drawing(&(bar->parent));
if (dc == RT_NULL) return;
rtgui_widget_get_rect(&(bar->parent), &rect);
/* fill button rect with background color */
bar->parent.gc.background = RTGUI_RGB(212, 208, 200);
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
bar->parent.gc.foreground = RTGUI_RGB(128, 128, 128);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 - 1, rect.y1);
rtgui_dc_draw_vline(dc, rect.x1, rect.y1, rect.y2 - 1);
bar->parent.gc.foreground = RTGUI_RGB(64, 64, 64);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y1 + 1);
rtgui_dc_draw_vline(dc, rect.x1 + 1, rect.y1, rect.y2);
bar->parent.gc.foreground = RTGUI_RGB(212, 208, 200);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 + 1, rect.y2);
rtgui_dc_draw_vline(dc, rect.x2, rect.y1, rect.y2);
bar->parent.gc.foreground = RTGUI_RGB(255, 255, 255);
rtgui_dc_draw_hline(dc, rect.x1 + 1, rect.x2, rect.y2 - 1);
rtgui_dc_draw_vline(dc, rect.x2 - 1, rect.y1 + 1, rect.y2 - 1);
/* Nothing to draw */
if (max == 0)
{
rtgui_dc_end_drawing(dc);
return;
}
left = max - pos;
rtgui_rect_inflate(&rect, -2);
bar->parent.gc.background = RTGUI_RGB(0, 0, 255);
if (bar->orientation == RTGUI_VERTICAL)
{
/* Vertical bar grows from bottom to top */
int dy = (rtgui_rect_height(rect) * left) / max;
rect.y1 += dy;
rtgui_dc_fill_rect(dc, &rect);
}
else
{
/* Horizontal bar grows from left to right */
rect.x2 -= (rtgui_rect_width(rect) * left) / max;
rtgui_dc_fill_rect(dc, &rect);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
}
void rtgui_theme_draw_staticline(struct rtgui_staticline* staticline)
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(staticline));
if (dc == RT_NULL) return ;
rtgui_widget_get_rect(RTGUI_WIDGET(staticline), &rect);
rtgui_dc_fill_rect(dc, &rect);
if (staticline->orientation == RTGUI_HORIZONTAL)
{
rtgui_dc_draw_horizontal_line(dc, rect.x1, rect.x2, rect.y1);
}
else
{
rtgui_dc_draw_vertical_line(dc, rect.x1, rect.y1, rect.y2);
}
rtgui_dc_end_drawing(dc);
}
rt_uint16_t rtgui_theme_get_selected_height()
{
return SELECTED_HEIGHT;
}
void rtgui_theme_draw_selected(struct rtgui_dc* dc, rtgui_rect_t *rect)
{
rtgui_color_t bc;
rt_uint16_t index;
bc = rtgui_dc_get_color(dc);
rtgui_dc_set_color(dc, selected_color);
rtgui_dc_draw_hline(dc, rect->x1 + 3, rect->x2 - 2, rect->y1 + 1);
rtgui_dc_draw_hline(dc, rect->x1 + 3, rect->x2 - 2, rect->y2 - 2);
rtgui_dc_draw_vline(dc, rect->x1 + 2, rect->y1 + 2, rect->y2 - 2);
rtgui_dc_draw_vline(dc, rect->x2 - 2, rect->y1 + 2, rect->y2 - 2);
for (index = rect->y1 + 1; index < rect->y2 - 2; index ++)
rtgui_dc_draw_hline(dc, rect->x1 + 3, rect->x2 - 2, index);
rtgui_dc_set_color(dc, bc);
}
/* get default background color */
rtgui_color_t rtgui_theme_default_bc()
{
return default_background;
}
/* get default foreground color */
rtgui_color_t rtgui_theme_default_fc()
{
return default_foreground;
}
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