fluxbox/src/FbTk/MenuItem.cc

334 lines
11 KiB
C++

// MenuItem.cc for FbTk - Fluxbox Toolkit
// Copyright (c) 2003 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
// $Id$
#include "MenuItem.hh"
#include "Command.hh"
#include "GContext.hh"
#include "MenuTheme.hh"
#include "PixmapWithMask.hh"
#include "Image.hh"
#include "App.hh"
#include "StringUtil.hh"
#include "Menu.hh"
namespace FbTk {
void MenuItem::click(int button, int time) {
if (m_command.get() != 0) {
// we need a local variable, since the command may destroy this object
RefCount<Command> tmp(m_command);
tmp->execute();
}
}
void MenuItem::drawLine(FbDrawable &draw, const MenuTheme &theme, size_t size,
int text_x, int text_y, unsigned int width) const {
unsigned int height = theme.itemHeight();
int bevelW = theme.bevelWidth();
int font_top = (height - theme.frameFont().height())/2;
int underline_height = font_top + theme.frameFont().ascent() + 2;
int bottom = height - bevelW - 1;
text_y += bottom > underline_height ? underline_height : bottom;
int text_w = theme.frameFont().textWidth(m_label.c_str(), m_label.size());
// width of the searchstring
size = size > m_label.length() ? m_label.length() : size;
std::string search_string = m_label.substr(0,size);
int search_string_w = theme.frameFont().textWidth(search_string.c_str(), size);
// pay attention to the text justification
switch(theme.frameFontJustify()) {
case FbTk::LEFT:
text_x += bevelW + height + 1;
break;
case FbTk::RIGHT:
text_x += width - (height + bevelW + text_w);
break;
default: //center
text_x += ((width + 1 - text_w) / 2);
break;
}
// avoid drawing an ugly dot
if (size != 0)
draw.drawLine(theme.frameUnderlineGC().gc(),
text_x, text_y, text_x + search_string_w, text_y);
}
void MenuItem::draw(FbDrawable &draw,
const MenuTheme &theme,
bool highlight, bool draw_foreground, bool draw_background,
int x, int y,
unsigned int width, unsigned int height) const {
// text and submenu icon are background
// selected pixmaps are foreground
Display *disp = App::instance()->display();
//
// Icon
//
if (draw_background) {
if (m_icon.get() != 0 && m_icon->pixmap.get() != 0) {
// scale pixmap to right size
if (height - 2*theme.bevelWidth() != m_icon->pixmap->height() &&
!m_icon->filename.empty()) {
unsigned int scale_size = height - 2*theme.bevelWidth();
m_icon->pixmap->scale(scale_size, scale_size);
}
if (m_icon->pixmap->pixmap().drawable() != 0) {
GC gc = theme.frameTextGC().gc();
int icon_x = x + theme.bevelWidth();
int icon_y = y + theme.bevelWidth();
// enable clip mask
XSetClipMask(disp, gc, m_icon->pixmap->mask().drawable());
XSetClipOrigin(disp, gc, icon_x, icon_y);
draw.copyArea(m_icon->pixmap->pixmap().drawable(),
gc,
0, 0,
icon_x, icon_y,
m_icon->pixmap->width(), m_icon->pixmap->height());
// restore clip mask
XSetClipMask(disp, gc, None);
}
}
}
if (label().empty())
return;
// text is background
if (draw_background) {
const GContext &tgc =
(highlight ? theme.hiliteTextGC() :
(isEnabled() ? theme.frameTextGC() : theme.disableTextGC() ) );
//
// Text
//
int text_y = y, text_x = x;
int text_w = theme.frameFont().textWidth(label().c_str(), label().size());
int height_offset = theme.itemHeight() - (theme.frameFont().height() + 2*theme.bevelWidth());
text_y = y + theme.bevelWidth() + theme.frameFont().ascent() + height_offset/2;
switch(theme.frameFontJustify()) {
case FbTk::LEFT:
text_x = x + theme.bevelWidth() + height + 1;
break;
case FbTk::RIGHT:
text_x = x + width - (height + theme.bevelWidth() + text_w);
break;
default: //center
text_x = x + ((width + 1 - text_w) / 2);
break;
}
theme.frameFont().drawText(draw, // drawable
theme.screenNum(),
tgc.gc(),
label().c_str(), label().size(), // text string and lenght
text_x, text_y); // position
}
GC gc = (highlight) ? theme.hiliteTextGC().gc() :
theme.frameTextGC().gc();
int sel_x = x;
int sel_y = y;
unsigned int item_pm_height = theme.itemHeight();
if (theme.bulletPos() == FbTk::RIGHT)
sel_x += width - height - theme.bevelWidth();
// selected pixmap is foreground
if (draw_foreground && isToggleItem()) {
//
// ToggleItem
//
const PixmapWithMask *pm = 0;
if (isSelected()) {
if (highlight && theme.highlightSelectedPixmap().pixmap().drawable() != 0)
pm = &theme.highlightSelectedPixmap();
else
pm = &theme.selectedPixmap();
} else {
if (highlight && theme.highlightUnselectedPixmap().pixmap().drawable() != 0)
pm = &theme.highlightUnselectedPixmap();
else
pm = &theme.unselectedPixmap();
}
if (pm != 0 && pm->pixmap().drawable() != 0) {
unsigned int selw = pm->width();
unsigned int selh = pm->height();
int offset_x = 0;
int offset_y = 0;
if (selw < item_pm_height)
offset_x += (item_pm_height - selw) / 2;
if (selh < item_pm_height)
offset_y += (item_pm_height - selh) / 2;
XSetClipMask(disp, gc, pm->mask().drawable());
XSetClipOrigin(disp, gc, sel_x+offset_x, sel_y+offset_y);
// copy bullet pixmap to drawable
draw.copyArea(pm->pixmap().drawable(),
gc,
0, 0,
sel_x+offset_x, sel_y+offset_y,
selw,
selh);
// disable clip mask
XSetClipMask(disp, gc, None);
} else if (isSelected()) {
draw.fillRectangle(theme.hiliteGC().gc(),
sel_x+item_pm_height/4, sel_y+item_pm_height/4, item_pm_height/2, item_pm_height/2);
}
}
//
// Submenu (background)
//
if (draw_background && submenu()) {
const PixmapWithMask *pm = 0;
if (highlight && theme.highlightBulletPixmap().pixmap().drawable() != 0)
pm = &theme.highlightBulletPixmap();
else
pm = &theme.bulletPixmap();
if (pm && pm->pixmap().drawable() != 0) {
unsigned int selw = pm->width();
unsigned int selh = pm->height();
int offset_x = 0;
int offset_y = 0;
if (selw < item_pm_height)
offset_x += (item_pm_height - selw) / 2;
if (selh < item_pm_height)
offset_y += (item_pm_height - selh) / 2;
XSetClipMask(disp, gc, pm->mask().drawable());
XSetClipOrigin(disp, gc, sel_x+offset_x, sel_y+offset_y);
// copy bullet pixmap to drawable
draw.copyArea(pm->pixmap().drawable(),
gc,
0, 0,
sel_x+offset_x, sel_y+offset_y,
selw,
selh);
// disable clip mask
XSetClipMask(disp, gc, None);
} else {
unsigned int half_w = item_pm_height / 2, quarter_w = item_pm_height / 4;
switch (theme.bullet()) {
case MenuTheme::SQUARE:
draw.drawRectangle(gc, sel_x+quarter_w, y+quarter_w, half_w, half_w);
break;
case MenuTheme::TRIANGLE:
draw.drawTriangle(gc, ((theme.bulletPos() == FbTk::RIGHT)?
FbTk::FbDrawable::RIGHT:
FbTk::FbDrawable::LEFT),
sel_x, sel_y,
item_pm_height,
item_pm_height,
300); // 33% triangle
break;
case MenuTheme::DIAMOND:
XPoint dia[4];
dia[0].x = sel_x + half_w - 3;
dia[0].y = sel_y + half_w;
dia[1].x = 3;
dia[1].y = -3;
dia[2].x = 3;
dia[2].y = 3;
dia[3].x = -3;
dia[3].y = 3;
draw.fillPolygon(gc, dia, 4, Convex,
CoordModePrevious);
break;
default:
break;
}
}
}
}
void MenuItem::setIcon(const std::string &filename, int screen_num) {
if (filename.empty()) {
if (m_icon.get() != 0)
m_icon.reset(0);
return;
}
if (m_icon.get() == 0)
m_icon.reset(new Icon);
m_icon->filename = FbTk::StringUtil::expandFilename(filename);
m_icon->pixmap.reset(Image::load(m_icon->filename.c_str(),
screen_num));
}
unsigned int MenuItem::height(const MenuTheme &theme) const {
return std::max(theme.frameFont().height() + 2*theme.bevelWidth(), theme.itemHeight());
}
unsigned int MenuItem::width(const MenuTheme &theme) const {
// textwidth + bevel width on each side of the text
const unsigned int icon_width = height(theme);
const unsigned int normal = theme.frameFont().textWidth(label(), label().size()) +
2 * (theme.bevelWidth() + icon_width);
return m_icon.get() == 0 ? normal : normal + icon_width;
}
void MenuItem::updateTheme(const MenuTheme &theme) {
if (m_icon.get() == 0)
return;
m_icon->pixmap.reset(Image::load(m_icon->filename.c_str(), theme.screenNum()));
}
void MenuItem::showSubmenu() {
if (submenu() != 0)
submenu()->show();
}
}; // end namespace FbTk