Pipette and "On Preview Widgets" branch. See issue 227

The pipette part is already working quite nice but need to be finished. The widgets part needs more work...

rtgui/lwbuttonset.cc

@@ -0,0 +1,169 @@
+/*
+ *  This file is part of RawTherapee.
+ *
+ *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
+ *
+ *  RawTherapee is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ * 
+ *  RawTherapee is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "lwbuttonset.h"
+
+LWButtonSet::LWButtonSet () : aw(0), ah(0) {
+}
+
+LWButtonSet::~LWButtonSet () {
+
+    for (size_t i=0; i<buttons.size(); i++)
+        delete buttons[i];
+}
+
+void LWButtonSet::add (LWButton* b) {
+
+    buttons.push_back (b);
+}
+        
+void LWButtonSet::getMinimalDimensions (int& w, int& h) {
+
+    w=0; h=0;
+    for (size_t i=0; i<buttons.size(); i++) {
+        int bw, bh;
+        buttons[i]->getSize (bw, bh);
+        w+= bw;
+        if (bh>h)
+            h = bh;
+    }
+}
+
+void LWButtonSet::arrangeButtons (int x, int y, int w, int h) {
+
+    int mw, mh;
+    getMinimalDimensions (mw, mh);
+
+    if (w<0)
+        w = mw;
+    if (h<0)
+        h = mh;
+
+    int begx = x; 
+    int endx = x+w-1;
+    for (size_t i=0; i<buttons.size(); i++) {
+        LWButton::Alignment halign, valign;
+        int bx, by, bw, bh;
+        buttons[i]->getSize (bw, bh);
+        buttons[i]->getAlignment (halign, valign);
+        if (halign == LWButton::Left) {
+            bx = begx;
+            begx += bw;
+        }
+        else if (halign == LWButton::Right) {
+            bx = endx-bw;
+            endx -= bw;
+        }
+        if (valign == LWButton::Top) 
+            by = y;
+        else if (valign == LWButton::Bottom) 
+            by = y+h-bh-1;
+        else if (valign == LWButton::Center) 
+            by = y+(h-bh)/2;
+        buttons[i]->setPosition (bx, by);
+    }
+    aw = w;
+    ah = h;
+    ax = x;
+    ay = y;
+}
+
+void LWButtonSet::move (int nx, int ny) {
+
+    for (size_t i=0; i<buttons.size(); i++) {
+        int x, y;
+        buttons[i]->getPosition (x, y);
+        buttons[i]->setPosition (x+nx-ax, y+ny-ay);
+    }
+
+    ax = nx;
+    ay = ny;
+}
+
+void LWButtonSet::redraw (Cairo::RefPtr<Cairo::Context> context) {
+
+    for (size_t i=0; i<buttons.size(); i++)
+        buttons[i]->redraw (context);
+}
+
+bool LWButtonSet::motionNotify (int x, int y) {
+
+    bool res = false;
+    for (size_t i=0; i<buttons.size(); i++) {
+        bool handled = buttons[i]->motionNotify (x, y);
+        res = res || handled;
+    }
+        
+    return res;
+}
+
+bool LWButtonSet::pressNotify (int x, int y) {
+
+    bool res = false;
+    for (size_t i=0; i<buttons.size(); i++) {
+        bool handled = buttons[i]->pressNotify (x, y);
+        res = res || handled;
+    }
+    return res;
+}
+
+bool LWButtonSet::releaseNotify (int x, int y) {
+
+    bool res = false;
+    for (size_t i=0; i<buttons.size(); i++) {
+        bool handled = buttons[i]->releaseNotify (x, y);
+        res = res || handled;
+    }
+    return res;
+}
+
+bool LWButtonSet::inside (int x, int y) {
+
+	for (size_t i=0; i<buttons.size(); i++)
+        if (buttons[i]->inside (x, y))
+            return true;
+    return false;
+}
+
+void LWButtonSet::setButtonListener (LWButtonListener* bl) {
+
+	for (size_t i=0; i<buttons.size(); i++)
+        buttons[i]->setButtonListener (bl);
+}
+
+void LWButtonSet::getAllocatedDimensions (int& w, int& h) {
+
+    w = aw;
+    h = ah;
+}
+
+void LWButtonSet::setColors (const Gdk::Color& bg, const Gdk::Color& fg) {
+
+	for (size_t i=0; i<buttons.size(); i++)
+        buttons[i]->setColors (bg, fg);
+}
+
+Glib::ustring LWButtonSet::getToolTip (int x, int y) {
+
+	for (size_t i=0; i<buttons.size(); i++) {
+        Glib::ustring ttip = buttons[i]->getToolTip (x, y);
+        if (ttip!="")
+            return ttip;
+    }
+    return "";
+}