rawTherapee/rtgui/thumbbrowserbase_old.cc
2010-01-01 11:52:33 +00:00

361 lines
12 KiB
C++
Executable File

/*
* 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 <thumbbrowserbase.h>
#include <glibmm.h>
#include <multilangmgr.h>
#include <options.h>
ThumbBrowserBase::ThumbBrowserBase ()
: previewHeight(options.thumbSize), lastClicked(NULL) {
signal_style_changed().connect( sigc::mem_fun(*this, &ThumbBrowserBase::styleChanged) );
}
void ThumbBrowserBase::arrangeFiles () {
int N = fd.size ();
// apply filter
for (int i=0; i<N; i++)
fd[i]->filtered = !checkFilter (fd[i]);
int rowHeight = 0;
// compute size of the items
for (int i=0; i<N; i++)
if (!fd[i]->filtered && fd[i]->getMinimalHeight() > rowHeight)
rowHeight = fd[i]->getMinimalHeight ();
if (arrangement==TB_Horizontal) {
int numOfRows = 1;
if (get_parent () && rowHeight>0) {
Gtk::Allocation alloc = get_parent ()->get_allocation ();
numOfRows = (alloc.get_height()+rowHeight/2)/rowHeight;
if (numOfRows<1)
numOfRows = 1;
}
int ct = 0;
int currx = 0; int curry = 0;
while (ct<N) {
// find widest item in the column
int maxw = 0;
for (int i=0; ct+i<N && i<numOfRows; i++)
if (fd[ct+i]->getMinimalWidth() > maxw)
maxw = fd[ct+i]->getMinimalWidth ();
// arrange items in the column
curry = 0;
for (int i=0; ct<N && i<numOfRows; i++, ct++) {
while (ct<N && fd[ct]->filtered)
fd[ct++]->drawable = false;
if (ct<N) {
fd[ct]->setPosition (currx, curry, maxw, rowHeight);
fd[ct]->drawable = true;
curry += rowHeight;
}
}
currx += maxw;
}
set_size_request (currx, numOfRows*rowHeight);
}
else {
int availWidth = 0;
if (get_parent ()) {
Gtk::Allocation alloc = get_parent ()->get_allocation ();
availWidth = alloc.get_width();
}
// initial number of columns
int numOfCols = 0;
int currColNum = 0;
int colsWidth = 0;
for (int i=0; i<N; i++)
if (!fd[i]->filtered && colsWidth + fd[i]->getMinimalWidth() <= availWidth) {
colsWidth += fd[numOfCols]->getMinimalWidth ();
numOfCols++;
}
if (numOfCols<1)
numOfCols = 1;
std::vector<int> colWidths;
for (; numOfCols>0; numOfCols--) {
// compute column widths
colWidths.resize (numOfCols);
for (int i=0; i<numOfCols; i++)
colWidths[i] = 0;
for (int i=0, j=0; i<N; i++) {
if (!fd[i]->filtered && fd[i]->getMinimalWidth() > colWidths[j%numOfCols])
colWidths[j%numOfCols] = fd[i]->getMinimalWidth ();
if (!fd[i]->filtered)
j++;
}
// if not wider than the space available, arrange it and we are ready
colsWidth = 0;
for (int i=0; i<numOfCols; i++)
colsWidth += colWidths[i];
if (numOfCols==1 || colsWidth < availWidth)
break;
}
// arrange files
int ct = 0;
int currx = 0; int curry = 0;
while (ct<N) {
// arrange items in the row
currx = 0;
for (int i=0; ct<N && i<numOfCols; i++, ct++) {
while (ct<N && fd[ct]->filtered)
fd[ct++]->drawable = false;
if (ct<N) {
fd[ct]->setPosition (currx, curry, colWidths[i%numOfCols], rowHeight);
fd[ct]->drawable = true;
currx += colWidths[i%numOfCols];
}
}
curry += rowHeight;
}
set_size_request (colsWidth, curry);
}
}
void ThumbBrowserBase::on_realize()
{
Cairo::FontOptions cfo;
cfo.set_antialias (Cairo::ANTIALIAS_SUBPIXEL);
get_pango_context()->set_cairo_font_options (cfo);
add_events(Gdk::LEAVE_NOTIFY_MASK);
Gtk::DrawingArea::on_realize();
Glib::RefPtr<Gdk::Window> window = get_window();
add_events(Gdk::EXPOSURE_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::POINTER_MOTION_MASK);
gc_ = Gdk::GC::create(window);
}
void ThumbBrowserBase::styleChanged (const Glib::RefPtr<Gtk::Style>& style) {
refreshAll ();
}
bool ThumbBrowserBase::on_expose_event(GdkEventExpose* event) {
Gtk::Viewport* vp = (Gtk::Viewport*) get_parent ();
Gtk::ScrolledWindow* sw = (Gtk::ScrolledWindow*) vp->get_parent ();
int px = (int)(sw->get_hscrollbar()->get_value ());
int py = (int)(sw->get_vscrollbar()->get_value ());
int pw = vp->get_width ();
int ph = vp->get_height ();
Glib::RefPtr<Gdk::Window> window = get_window();
window->clear();
// draw thumbnails
Glib::RefPtr<Pango::Context> context = get_pango_context ();
context->set_font_description (get_style()->get_font());
for (int i=0; i<fd.size(); i++) {
if (!fd[i]->drawable || !fd[i]->insideWindow (px, py, pw, ph))
continue;
fd[i]->draw (this);
}
return true;
}
bool ThumbBrowserBase::on_button_press_event (GdkEventButton* event) {
Gtk::Viewport* vp = (Gtk::Viewport*) get_parent ();
Gtk::ScrolledWindow* sw = (Gtk::ScrolledWindow*) vp->get_parent ();
int px = (int)(sw->get_hscrollbar()->get_value ());
int py = (int)(sw->get_vscrollbar()->get_value ());
int pw = vp->get_width ();
int ph = vp->get_height ();
ThumbBrowserEntryBase* fileDescr = NULL;
bool handled = false;
for (int i=0; i<fd.size(); i++)
if (fd[i]->drawable && fd[i]->insideWindow (px, py, pw, ph)) {
if (fd[i]->inside ((int)event->x, (int)event->y))
fileDescr = fd[i];
bool b = fd[i]->pressNotify (this, (int)event->x, (int)event->y);
handled = handled || b;
}
if (handled || (fileDescr && fileDescr->processing))
return true;
if (selected.size()==1 && event->type==GDK_2BUTTON_PRESS && event->button==1)
doubleClicked (selected[0]);
else if (event->button==1 && event->type==GDK_BUTTON_PRESS) {
if (fileDescr && event->state & GDK_SHIFT_MASK) {
if (selected.size()==0) {
selected.push_back (fileDescr);
fileDescr->selected = true;
lastClicked = fileDescr;
}
else {
// find the start and the end of the selection interval
int startx = fd.size()-1;
if (lastClicked) {
for (; startx>=0; startx--)
if (fd[startx]==lastClicked)
break;
}
else {
for (; startx>=0; startx--)
if (fd[startx]==selected[0])
break;
}
int endx = 0;
for (; endx<fd.size(); endx++)
if (fd[endx]==fileDescr)
break;
if (endx < startx) {
int tmp = endx;
endx = startx;
startx = tmp;
}
// clear current selection
for (int i=0; i<selected.size(); i++)
selected[i]->selected = false;
selected.clear ();
// select thumbnails in the interval
for (int i=startx; i<=endx; i++) {
fd[i]->selected = true;
selected.push_back (fd[i]);
}
}
}
else if (fileDescr && event->state & GDK_CONTROL_MASK) {
std::vector<ThumbBrowserEntryBase*>::iterator i = std::find (selected.begin(), selected.end(), fileDescr);
if (i!=selected.end()) {
(*i)->selected = false;
selected.erase (i);
}
else {
selected.push_back (fileDescr);
fileDescr->selected = true;
}
lastClicked = fileDescr;
}
else {
for (int i=0; i<selected.size(); i++)
selected[i]->selected = false;
selected.clear ();
if (fileDescr) {
selected.push_back (fileDescr);
fileDescr->selected = true;
}
lastClicked = fileDescr;
}
}
else if (fileDescr && event->button==3 && event->type==GDK_BUTTON_PRESS) {
if (!fileDescr->selected) {
for (int i=0; i<selected.size(); i++)
selected[i]->selected = false;
selected.clear ();
fileDescr->selected = true;
selected.push_back (fileDescr);
lastClicked = fileDescr;
}
rightClicked (fileDescr);
}
Glib::RefPtr<Gdk::Window> window = get_window();
GdkRectangle rect;
rect.x = 0;
rect.y = 0;
window->get_size (rect.width, rect.height);
gdk_window_invalidate_rect (window->gobj(), &rect, true);
gdk_window_process_updates (window->gobj(), true);
return true;
}
bool ThumbBrowserBase::on_button_release_event (GdkEventButton* event) {
Gtk::Viewport* vp = (Gtk::Viewport*) get_parent ();
Gtk::ScrolledWindow* sw = (Gtk::ScrolledWindow*) vp->get_parent ();
int px = (int)(sw->get_hscrollbar()->get_value ());
int py = (int)(sw->get_vscrollbar()->get_value ());
int pw = vp->get_width ();
int ph = vp->get_height ();
for (int i=0; i<fd.size(); i++)
if (fd[i]->drawable && fd[i]->insideWindow (px, py, pw, ph))
fd[i]->releaseNotify (this, (int)event->x, (int)event->y);
return true;
}
bool ThumbBrowserBase::on_motion_notify_event (GdkEventMotion* event) {
Gtk::Viewport* vp = (Gtk::Viewport*) get_parent ();
Gtk::ScrolledWindow* sw = (Gtk::ScrolledWindow*) vp->get_parent ();
int px = (int)(sw->get_hscrollbar()->get_value ());
int py = (int)(sw->get_vscrollbar()->get_value ());
int pw = vp->get_width ();
int ph = vp->get_height ();
for (int i=0; i<fd.size(); i++)
if (fd[i]->drawable && fd[i]->insideWindow (px, py, pw, ph))
fd[i]->motionNotify (this, (int)event->x, (int)event->y);
return true;
}
void ThumbBrowserBase::resized (Gtk::Allocation& req) {
arrangeFiles ();
}
void ThumbBrowserBase::redraw () {
arrangeFiles ();
queue_draw ();
}
void ThumbBrowserBase::setPreviewHeight (int h) {
previewHeight = h;
for (int i=0; i<fd.size(); i++)
fd[i]->initSizes (this, previewHeight);
arrangeFiles ();
}
void ThumbBrowserBase::refreshAll () {
for (int i=0; i<fd.size(); i++) {
fd[i]->forceHeight (options.thumbSize);
fd[i]->updateImg ();
fd[i]->initSizes (this, options.thumbSize);
}
redraw ();
}
void ThumbBrowserBase::setOpenedFileName (const Glib::ustring& fname) {
fileInEditor = fname;
for (int i=0; i<fd.size(); i++)
fd[i]->framed = fd[i]->filename==fileInEditor;
}
void ThumbBrowserBase::setArrangement (Arrangement a) {
arrangement = a;
redraw ();
}