menu alpha
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fluxgen
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f2cef83565
2 changed files with 102 additions and 34 deletions
109
src/FbTk/Menu.cc
109
src/FbTk/Menu.cc
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@ -1,5 +1,5 @@
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// Menu.cc for FbTk - Fluxbox Toolkit
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// Copyright (c) 2001 - 2002 Henrik Kinnunen (fluxgen at users.sourceforge.net)
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// Copyright (c) 2001 - 2003 Henrik Kinnunen (fluxgen at users.sourceforge.net)
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//
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// Basemenu.cc for blackbox - an X11 Window manager
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// Copyright (c) 1997 - 2000 Brad Hughes (bhughes at tcac.net)
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@ -22,7 +22,7 @@
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id: Menu.cc,v 1.12 2003/04/17 14:17:33 fluxgen Exp $
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// $Id: Menu.cc,v 1.13 2003/04/20 13:49:26 fluxgen Exp $
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//use GNU extensions
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#ifndef _GNU_SOURCE
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@ -36,21 +36,22 @@
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#include "MenuTheme.hh"
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#include "App.hh"
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#include "EventManager.hh"
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#include "Transparent.hh"
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#include <X11/Xatom.h>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#ifdef DEBUG
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#include <iostream>
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using namespace std;
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#endif //DEBUG
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namespace FbTk {
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static Menu *shown = 0;
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unsigned char Menu::s_alpha = 255;
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Menu::Menu(MenuTheme &tm, int screen_num, ImageControl &imgctrl):
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m_theme(tm),
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m_screen_num(screen_num),
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@ -61,7 +62,7 @@ Menu::Menu(MenuTheme &tm, int screen_num, ImageControl &imgctrl):
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m_screen_height(DisplayHeight(m_display, screen_num)),
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m_alignment(ALIGNDONTCARE),
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m_border_width(0),
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m_themeobserver(*this) {
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m_themeobserver(*this), m_trans(new Transparent(0, 0, 255, screen_num)) {
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// make sure we get updated when the theme is reloaded
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tm.addListener(m_themeobserver);
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@ -105,6 +106,27 @@ Menu::Menu(MenuTheme &tm, int screen_num, ImageControl &imgctrl):
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menu.height = menu.title_h + 2 + menu.frame_h;
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// get root pixmap for transparency
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Display *disp = FbTk::App::instance()->display();
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Atom real_type;
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int real_format;
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unsigned long items_read, items_left;
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unsigned int *data;
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if (XGetWindowProperty(disp, RootWindow(disp, screen_num),
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XInternAtom(disp, "_XROOTPMAP_ID", false),
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0L, 1L,
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false, XA_PIXMAP, &real_type,
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&real_format, &items_read, &items_left,
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(unsigned char **) &data) == Success &&
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items_read) {
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m_root_pm = (Pixmap) (*data);
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XFree(data);
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} else
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m_root_pm = 0;
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m_trans->setSource(m_root_pm, screen_num);
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m_trans->setAlpha(s_alpha);
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//set attributes for menu window
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unsigned long attrib_mask = CWOverrideRedirect | CWEventMask;
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XSetWindowAttributes attrib;
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@ -373,7 +395,8 @@ void Menu::update() {
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menu.width + menu.title.borderWidth(), menu.title_h);
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}
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menu.frame.moveResize(0, ((title_vis) ? menu.title.y() + menu.title.height() + menu.title.borderWidth()*2 : 0),
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menu.frame.moveResize(0, ((title_vis) ? menu.title.y() + menu.title.height() +
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menu.title.borderWidth()*2 : 0),
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menu.window.width(), menu.frame_h);
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clearWindow();
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@ -383,15 +406,22 @@ void Menu::update() {
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unsigned int i = 0;
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for (i = 0; visible && i < menuitems.size(); i++) {
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if (i == (unsigned int)which_sub) {
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drawItem(i, true, 0);
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drawItem(i, true, false, false);
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drawSubmenu(i);
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} else
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drawItem(i, false, 0);
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drawItem(i, false, false, false);
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}
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if (m_parent && visible)
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m_parent->drawSubmenu(m_parent->which_sub);
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m_trans->setDest(menu.frame.window(), menu.frame.screenNumber());
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m_trans->render(menu.window.x() + menu.frame.x() - menu.window.borderWidth(),
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menu.window.y() + menu.frame.y() - menu.window.borderWidth(),
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0, 0,
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menu.frame.width(), menu.frame.height());
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menu.window.showSubwindows();
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}
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@ -408,6 +438,11 @@ void Menu::show() {
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shown = this;
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}
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m_trans->setDest(menu.frame.window(), menu.frame.screenNumber());
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m_trans->render(menu.window.x() + menu.frame.x(),
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menu.window.y() + menu.frame.y(),
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0, 0,
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menu.frame.width(), menu.frame.height());
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}
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@ -435,7 +470,7 @@ void Menu::internal_hide() {
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}
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if (m_parent && (! torn)) {
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m_parent->drawItem(m_parent->which_sub, False, True);
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m_parent->drawItem(m_parent->which_sub, false, true);
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m_parent->which_sub = -1;
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} else if (shown && shown->menu.window == menu.window)
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@ -484,6 +519,12 @@ void Menu::redrawTitle() {
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text, len, // text string with lenght
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dx, font.ascent() + menu.bevel_w); // position
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m_trans->setDest(menu.title.window(), menu.title.screenNumber());
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m_trans->render(menu.window.x() + menu.title.x() - menu.window.borderWidth(),
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menu.window.y() + menu.title.y() - menu.window.borderWidth(),
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menu.title.x(), menu.title.y(),
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menu.title.width(), menu.title.height());
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}
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@ -547,7 +588,7 @@ void Menu::drawSubmenu(unsigned int index) {
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item->submenu()->move(x, y);
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if (! moving)
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drawItem(index, True);
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drawItem(index, true);
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if (! item->submenu()->isVisible()) {
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item->submenu()->show();
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@ -573,7 +614,7 @@ bool Menu::hasSubmenu(unsigned int index) const {
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}
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void Menu::drawItem(unsigned int index, bool highlight, bool clear,
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void Menu::drawItem(unsigned int index, bool highlight, bool clear, bool render_trans,
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int x, int y, unsigned int w, unsigned int h)
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{
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if (index >= menuitems.size() || menuitems.size() == 0 ||
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@ -691,7 +732,6 @@ void Menu::drawItem(unsigned int index, bool highlight, bool clear,
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tgc,
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text, len, // text string and lenght
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text_x, text_y); // position
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}
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if (dosel && item->submenu()) {
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@ -742,6 +782,18 @@ void Menu::drawItem(unsigned int index, bool highlight, bool clear,
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break;
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}
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}
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if (render_trans) {
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m_trans->setDest(menu.frame.window(), menu.frame.screenNumber());
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m_trans->render(menu.window.x() + menu.frame.x() + item_x -
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menu.window.borderWidth(),
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menu.window.y() + menu.frame.y() + item_y -
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menu.window.borderWidth(),
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item_x, item_y,
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menu.item_w, menu.item_h);
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}
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}
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@ -759,7 +811,10 @@ void Menu::setItemSelected(unsigned int index, bool sel) {
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if (! item) return;
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item->setSelected(sel);
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if (visible) drawItem(index, (index == (unsigned int)which_sub), true);
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if (visible) {
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drawItem(index, (index == (unsigned int)which_sub), true, true);
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}
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}
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@ -782,7 +837,7 @@ void Menu::setItemEnabled(unsigned int index, bool enable) {
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item->setEnabled(enable);
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if (visible)
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drawItem(index, (index == static_cast<unsigned int>(which_sub)), True);
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drawItem(index, (index == static_cast<unsigned int>(which_sub)), true, true);
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}
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@ -811,7 +866,7 @@ void Menu::buttonPressEvent(XButtonEvent &be) {
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if (item->submenu())
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drawSubmenu(w);
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else
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drawItem(w, (item->isEnabled()), true);
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drawItem(w, (item->isEnabled()), true, true);
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}
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} else {
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menu.x_move = be.x_root - menu.x;
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@ -827,6 +882,7 @@ void Menu::buttonReleaseEvent(XButtonEvent &re) {
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if (which_sub >= 0)
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drawSubmenu(which_sub);
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update();
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}
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if (re.x >= 0 && re.x <= (signed) menu.width &&
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@ -846,7 +902,7 @@ void Menu::buttonReleaseEvent(XButtonEvent &re) {
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p = (which_sbl * menu.persub) + which_press;
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if (w < static_cast<int>(menuitems.size()) && w >= 0) {
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drawItem(p, (p == which_sub), True);
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drawItem(p, (p == which_sub), true, true);
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if (p == w && isItemEnabled(w)) {
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if (re.x > ix && re.x < (signed) (ix + menu.item_w) &&
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@ -858,7 +914,7 @@ void Menu::buttonReleaseEvent(XButtonEvent &re) {
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}
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}
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} else
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drawItem(p, false, true);
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drawItem(p, false, true, true);
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}
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@ -870,7 +926,7 @@ void Menu::motionNotifyEvent(XMotionEvent &me) {
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if (movable) {
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if (! moving) {
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if (m_parent && (! torn)) {
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m_parent->drawItem(m_parent->which_sub, false, true);
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m_parent->drawItem(m_parent->which_sub, false, true, true);
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m_parent->which_sub = -1;
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}
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@ -900,7 +956,7 @@ void Menu::motionNotifyEvent(XMotionEvent &me) {
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int p = (which_sbl * menu.persub) + which_press;
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MenuItem *item = menuitems[p];
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drawItem(p, False, True);
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drawItem(p, false, true, true);
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if (item->submenu()) {
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if (item->submenu()->isVisible() &&
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(! item->submenu()->isTorn())) {
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@ -918,7 +974,7 @@ void Menu::motionNotifyEvent(XMotionEvent &me) {
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if (itmp->submenu())
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drawSubmenu(w);
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else
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drawItem(w, (itmp->isEnabled()), True);
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drawItem(w, (itmp->isEnabled()), true, true);
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}
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}
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}
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@ -955,7 +1011,7 @@ void Menu::exposeEvent(XExposeEvent &ee) {
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Menuitems::iterator it_end = menuitems.end();
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for (ii = id; ii <= id_d && it != it_end; ++it, ii++) {
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unsigned int index = ii + (i * menu.persub);
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drawItem(index, (which_sub == index), true,
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drawItem(index, (which_sub == index), true, true,
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ee.x, ee.y, ee.width, ee.height);
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}
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}
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@ -999,7 +1055,7 @@ void Menu::enterNotifyEvent(XCrossingEvent &ce) {
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if (w != which_sub && (! tmp->submenu()->isTorn())) {
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tmp->submenu()->internal_hide();
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drawItem(which_sub, false, true);
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drawItem(which_sub, false, true, true);
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which_sub = -1;
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}
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}
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@ -1013,7 +1069,7 @@ void Menu::leaveNotifyEvent(XCrossingEvent &ce) {
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if (which_press != -1 && which_sbl != -1 && menuitems.size() > 0) {
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int p = (which_sbl * menu.persub) + which_press;
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drawItem(p, (p == which_sub), true);
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drawItem(p, (p == which_sub), true, true);
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which_sbl = which_press = -1;
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}
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@ -1051,8 +1107,11 @@ void Menu::reconfigure() {
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menu.window.setBorderWidth(m_border_width);
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menu.title.setBorderWidth(m_border_width);
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if (m_trans.get())
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m_trans->setAlpha(s_alpha);
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update();
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}
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}; // end namespace FbTk
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@ -22,7 +22,7 @@
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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// $Id: Menu.hh,v 1.10 2003/02/23 00:59:13 fluxgen Exp $
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// $Id: Menu.hh,v 1.11 2003/04/20 13:47:20 fluxgen Exp $
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#ifndef FBTK_MENU_HH
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#define FBTK_MENU_HH
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@ -43,6 +43,7 @@ namespace FbTk {
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class MenuItem;
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class MenuTheme;
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class ImageControl;
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class Transparent;
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/// Base class for menus
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class Menu: public FbTk::EventHandler {
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@ -85,6 +86,9 @@ public:
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void disableTitle();
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void enableTitle();
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static void setAlpha(unsigned char alpha) { s_alpha = alpha; }
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/**
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@name event handlers
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*/
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@ -135,6 +139,7 @@ public:
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bool hasSubmenu(unsigned int index) const;
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bool isItemSelected(unsigned int index) const;
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bool isItemEnabled(unsigned int index) const;
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static unsigned char alpha() { return s_alpha; }
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//@}
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protected:
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@ -147,7 +152,7 @@ protected:
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virtual void itemSelected(int button, unsigned int index) { }
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virtual void drawItem(unsigned int index, bool highlight = false,
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bool clear= false,
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bool clear= false, bool render_trans = true,
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int x= -1, int y= -1,
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unsigned int width= 0, unsigned int height= 0);
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virtual void redrawTitle();
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@ -156,6 +161,7 @@ protected:
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inline const Menu *parent() const { return m_parent; }
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private:
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typedef std::vector<MenuItem *> Menuitems;
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const MenuTheme &m_theme;
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Display *m_display;
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@ -193,6 +199,9 @@ private:
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};
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ThemeObserver m_themeobserver;
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std::auto_ptr<Transparent> m_trans;
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Drawable m_root_pm;
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static unsigned char s_alpha;
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};
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}; // end namespace FbTk
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