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374 lines
8.4 KiB
C++
374 lines
8.4 KiB
C++
/* Jinete - a GUI library
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* Copyright (C) 2003-2010 David Capello.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of the author nor the names of its contributors may
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* be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include <allegro.h>
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#include <allegro/internal/aintern.h>
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#include "jinete/jdraw.h"
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#include "jinete/jfont.h"
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#include "jinete/jmanager.h"
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#include "jinete/jrect.h"
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#include "jinete/jsystem.h"
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#include "jinete/jtheme.h"
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#include "jinete/jview.h"
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#include "jinete/jwidget.h"
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static JTheme ji_current_theme = NULL;
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static JTheme ji_standard_theme = NULL;
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static void draw_text(BITMAP *bmp, FONT *f, const char *text, int x, int y,
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int fg_color, int bg_color, bool fill_bg);
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int _ji_theme_init()
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{
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return 0;
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}
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void _ji_theme_exit()
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{
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if (ji_standard_theme) {
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delete ji_standard_theme;
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ji_standard_theme = NULL;
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}
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}
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jtheme::jtheme()
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{
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this->name = "Theme";
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this->default_font = font; /* default Allegro font */
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this->desktop_color = 0;
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this->textbox_fg_color = 0;
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this->textbox_bg_color = 0;
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this->check_icon_size = 0;
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this->radio_icon_size = 0;
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this->scrollbar_size = 0;
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this->guiscale = 1;
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}
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jtheme::~jtheme()
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{
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if (ji_current_theme == this)
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ji_set_theme(NULL);
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}
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/**********************************************************************/
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void ji_set_theme(JTheme theme)
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{
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JWidget manager = ji_get_default_manager();
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ji_current_theme = theme;
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if (ji_current_theme) {
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ji_regen_theme();
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if (manager && jwidget_get_theme(manager) == NULL)
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jwidget_set_theme(manager, theme);
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}
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}
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void ji_set_standard_theme()
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{
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if (!ji_standard_theme) {
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ji_standard_theme = jtheme_new_standard();
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if (!ji_standard_theme)
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return;
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}
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ji_set_theme(ji_standard_theme);
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}
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JTheme ji_get_theme()
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{
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return ji_current_theme;
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}
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void ji_regen_theme()
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{
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if (ji_current_theme) {
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int type = jmouse_get_cursor();
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jmouse_set_cursor(JI_CURSOR_NULL);
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ji_current_theme->regen();
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jmouse_set_cursor(type);
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}
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}
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int ji_color_foreground()
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{
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return ji_current_theme->color_foreground();
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}
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int ji_color_disabled()
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{
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return ji_current_theme->color_disabled();
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}
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int ji_color_face()
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{
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return ji_current_theme->color_face();
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}
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int ji_color_facelight()
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{
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register int c = ji_color_face();
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return makecol(MIN(getr(c)+64, 255),
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MIN(getg(c)+64, 255),
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MIN(getb(c)+64, 255));
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}
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int ji_color_faceshadow()
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{
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register int c = ji_color_face();
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return makecol(MAX(getr(c)-64, 0),
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MAX(getg(c)-64, 0),
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MAX(getb(c)-64, 0));
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}
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int ji_color_hotface()
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{
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return ji_current_theme->color_hotface();
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}
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int ji_color_selected()
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{
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return ji_current_theme->color_selected();
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}
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int ji_color_background()
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{
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return ji_current_theme->color_background();
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}
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BITMAP* ji_apply_guiscale(BITMAP* original)
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{
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int scale = jguiscale();
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if (scale > 1) {
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BITMAP* scaled = create_bitmap_ex(bitmap_color_depth(original),
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original->w*scale,
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original->h*scale);
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for (int y=0; y<scaled->h; ++y)
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for (int x=0; x<scaled->w; ++x)
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putpixel(scaled, x, y, getpixel(original, x/scale, y/scale));
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destroy_bitmap(original);
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return scaled;
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}
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else
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return original;
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}
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void _ji_theme_draw_sprite_color(BITMAP *bmp, BITMAP *sprite,
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int x, int y, int color)
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{
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int u, v, mask = bitmap_mask_color(sprite);
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for (v=0; v<sprite->h; v++)
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for (u=0; u<sprite->w; u++)
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if (getpixel(sprite, u, v) != mask)
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putpixel(bmp, x+u, y+v, color);
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}
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void _ji_theme_textbox_draw(BITMAP *bmp, JWidget widget,
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int *w, int *h, int bg, int fg)
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{
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JWidget view = jwidget_get_view(widget);
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char *text = (char*)widget->getText(); // TODO warning: removing const modifier
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char *beg, *end;
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int x1, y1, x2, y2;
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int x, y, chr, len;
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int scroll_x, scroll_y;
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int viewport_w, viewport_h;
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int textheight = jwidget_get_text_height(widget);
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FONT *font = widget->getFont();
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char *beg_end, *old_end;
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int width;
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if (view) {
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JRect vp = jview_get_viewport_position(view);
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x1 = vp->x1;
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y1 = vp->y1;
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viewport_w = jrect_w(vp);
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viewport_h = jrect_h(vp);
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jview_get_scroll(view, &scroll_x, &scroll_y);
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jrect_free(vp);
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}
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else {
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x1 = widget->rc->x1 + widget->border_width.l;
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y1 = widget->rc->y1 + widget->border_width.t;
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viewport_w = jrect_w(widget->rc) - widget->border_width.l - widget->border_width.r;
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viewport_h = jrect_h(widget->rc) - widget->border_width.t - widget->border_width.b;
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scroll_x = scroll_y = 0;
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}
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x2 = x1+viewport_w-1;
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y2 = y1+viewport_h-1;
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chr = 0;
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/* without word-wrap */
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if (!(widget->getAlign() & JI_WORDWRAP)) {
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width = jrect_w(widget->rc);
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}
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/* with word-wrap */
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else {
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if (w) {
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width = *w;
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*w = 0;
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}
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else {
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/* TODO modificable option? I don't think so, this is very internal stuff */
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#if 0
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/* shows more information in x-scroll 0 */
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width = viewport_w;
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#else
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/* make good use of the complete text-box */
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if (view) {
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int w, h;
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jview_get_max_size(view, &w, &h);
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width = MAX(viewport_w, w);
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}
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else {
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width = viewport_w;
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}
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#endif
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}
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}
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/* draw line-by-line */
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y = y1 - scroll_y;
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for (beg=end=text; end; ) {
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x = x1 - scroll_x;
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/* without word-wrap */
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if (!(widget->getAlign() & JI_WORDWRAP)) {
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end = ustrchr(beg, '\n');
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if (end) {
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chr = *end;
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*end = 0;
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}
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}
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/* with word-wrap */
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else {
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old_end = NULL;
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for (beg_end=beg;;) {
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end = ustrpbrk(beg_end, " \n");
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if (end) {
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chr = *end;
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*end = 0;
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}
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/* to here we can print */
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if ((old_end) && (x+text_length(font, beg) > x1-scroll_x+width)) {
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if (end)
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*end = chr;
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end = old_end;
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chr = *end;
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*end = 0;
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break;
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}
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/* we can print one word more */
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else if (end) {
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/* force break */
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if (chr == '\n')
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break;
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*end = chr;
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beg_end = end+1;
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}
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/* we are in the end of text */
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else
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break;
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old_end = end;
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}
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}
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len = text_length(font, beg);
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/* render the text in the "bmp" */
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if (bmp) {
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int xout;
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if (widget->getAlign() & JI_CENTER)
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xout = x + width/2 - len/2;
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else if (widget->getAlign() & JI_RIGHT)
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xout = x + width - len;
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else /* left */
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xout = x;
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draw_text(bmp, font, beg, xout, y, fg, bg, true);
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jrectexclude(bmp,
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x1, y, x2, y+textheight-1,
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xout, y, xout+len-1, y+textheight-1, bg);
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}
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/* width */
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if (w)
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*w = MAX(*w, len);
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y += textheight;
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if (end) {
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*end = chr;
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beg = end+1;
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}
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}
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/* height */
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if (h)
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*h = (y-y1+scroll_y);
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if (w) *w += widget->border_width.l + widget->border_width.r;
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if (h) *h += widget->border_width.t + widget->border_width.b;
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/* fill bottom area */
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if (bmp) {
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if (y <= y2)
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rectfill(bmp, x1, y, x2, y2, bg);
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}
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}
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static void draw_text(BITMAP *bmp, FONT *f, const char *text, int x, int y,
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int fg_color, int bg_color, bool fill_bg)
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{
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/* TODO optional anti-aliased textout */
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ji_font_set_aa_mode(f, bg_color);
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text_mode(fill_bg ? bg_color: -1);
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textout(bmp, f, text, x, y, fg_color);
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/* TODO */
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}
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