rtgui/lwbuttonset.cc

   1 /*
   2  *  This file is part of RawTherapee.
   3  *
   4  *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
   5  *
   6  *  RawTherapee is free software: you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation, either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  RawTherapee is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #include <lwbuttonset.h>
  20
  21 LWButtonSet::LWButtonSet () : aw(0), ah(0) {
  22 }
  23
  24 LWButtonSet::~LWButtonSet () {
  25
  26     for (int i=0; i<buttons.size(); i++)
  27         delete buttons[i];
  28 }
  29
  30 void LWButtonSet::add (LWButton* b) {
  31
  32     buttons.push_back (b);
  33 }
  34
  35 void LWButtonSet::getMinimalDimensions (int& w, int& h) {
  36
  37     w=0; h=0;
  38     for (int i=0; i<buttons.size(); i++) {
  39         int bw, bh;
  40         buttons[i]->getSize (bw, bh);
  41         w+= bw;
  42         if (bh>h)
  43             h = bh;
  44     }
  45 }
  46
  47 int LWButtonSet::arrangeButtons (int x, int y, int w, int h) {
  48
  49     int mw, mh;
  50     getMinimalDimensions (mw, mh);
  51
  52     if (w<0)
  53         w = mw;
  54     if (h<0)
  55         h = mh;
  56
  57     int begx = x;
  58     int endx = x+w-1;
  59     for (int i=0; i<buttons.size(); i++) {
  60         LWButton::Alignment halign, valign;
  61         int bx, by, bw, bh;
  62         buttons[i]->getSize (bw, bh);
  63         buttons[i]->getAlignment (halign, valign);
  64         if (halign == LWButton::Left) {
  65             bx = begx;
  66             begx += bw;
  67         }
  68         else if (halign == LWButton::Right) {
  69             bx = endx-bw;
  70             endx -= bw;
  71         }
  72         if (valign == LWButton::Top)
  73             by = y;
  74         else if (valign == LWButton::Bottom)
  75             by = y+h-bh-1;
  76         else if (valign == LWButton::Center)
  77             by = y+(h-bh)/2;
  78         buttons[i]->setPosition (bx, by);
  79     }
  80     aw = w;
  81     ah = h;
  82     ax = x;
  83     ay = y;
  84 }
  85
  86 void LWButtonSet::move (int nx, int ny) {
  87
  88     for (int i=0; i<buttons.size(); i++) {
  89         int x, y;
  90         buttons[i]->getPosition (x, y);
  91         buttons[i]->setPosition (x+nx-ax, y+ny-ay);
  92     }
  93
  94     ax = nx;
  95     ay = ny;
  96 }
  97
  98 void LWButtonSet::redraw (Cairo::RefPtr<Cairo::Context> context) {
  99
 100     for (int i=0; i<buttons.size(); i++)
 101         buttons[i]->redraw (context);
 102 }
 103
 104 bool LWButtonSet::motionNotify (int x, int y) {
 105
 106     bool res = false;
 107     for (int i=0; i<buttons.size(); i++) {
 108         bool handled = buttons[i]->motionNotify (x, y);
 109         res = res || handled;
 110     }
 111
 112     return res;
 113 }
 114
 115 bool LWButtonSet::pressNotify (int x, int y) {
 116
 117     bool res = false;
 118     for (int i=0; i<buttons.size(); i++) {
 119         bool handled = buttons[i]->pressNotify (x, y);
 120         res = res || handled;
 121     }
 122     return res;
 123 }
 124
 125 bool LWButtonSet::releaseNotify (int x, int y) {
 126
 127     bool res = false;
 128     for (int i=0; i<buttons.size(); i++) {
 129         bool handled = buttons[i]->releaseNotify (x, y);
 130         res = res || handled;
 131     }
 132     return res;
 133 }
 134
 135 bool LWButtonSet::inside (int x, int y) {
 136
 137     for (int i=0; i<buttons.size(); i++)
 138         if (buttons[i]->inside (x, y))
 139             return true;
 140     return false;
 141 }
 142
 143 void LWButtonSet::setButtonListener (LWButtonListener* bl) {
 144
 145     for (int i=0; i<buttons.size(); i++)
 146         buttons[i]->setButtonListener (bl);
 147 }
 148
 149 void LWButtonSet::getAllocatedDimensions (int& w, int& h) {
 150
 151     w = aw;
 152     h = ah;
 153 }
 154
 155 void LWButtonSet::setColors (const Gdk::Color& bg, const Gdk::Color& fg) {
 156
 157     for (int i=0; i<buttons.size(); i++)
 158         buttons[i]->setColors (bg, fg);
 159 }
 160
 161 Glib::ustring LWButtonSet::getToolTip (int x, int y) {
 162
 163     for (int i=0; i<buttons.size(); i++) {
 164         Glib::ustring ttip = buttons[i]->getToolTip (x, y);
 165         if (ttip!="")
 166             return ttip;
 167     }
 168     return "";
 169 }