liz/rawTherapee
liz/rawTherapee
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
rawTherapee/rtgui/thumbbrowserbase.cc

549 lines
17 KiB
C++
Raw Blame History

/*
* 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>
#include <mytime.h>
ThumbBrowserBase::ThumbBrowserBase ()
: previewHeight(options.thumbSize), lastClicked(NULL) {
inW = -1; inH = -1;
Gtk::HBox* hb1 = new Gtk::HBox ();
Gtk::HBox* hb2 = new Gtk::HBox ();
Gtk::Frame* frame = new Gtk::Frame ();
frame->add (internal);
frame->set_shadow_type (Gtk::SHADOW_IN );
hb1->pack_start (*frame);
hb1->pack_end (vscroll, Gtk::PACK_SHRINK, 0);
pack_start (*hb1);
Gtk::HBox* tmp = new Gtk::HBox ();
hb2->pack_start (hscroll);
Gtk::Requisition vcr = vscroll.size_request ();
tmp->set_size_request (vcr.width, vcr.width);
hb2->pack_end (*tmp, Gtk::PACK_SHRINK, 0);
pack_start (*hb2,Gtk::PACK_SHRINK, 0);
internal.setParent (this);
show_all ();
hscroll.set_update_policy (Gtk::UPDATE_CONTINUOUS);
vscroll.set_update_policy (Gtk::UPDATE_CONTINUOUS);
vscroll.signal_value_changed().connect( sigc::mem_fun(*this, &ThumbBrowserBase::scrollChanged) );
hscroll.signal_value_changed().connect( sigc::mem_fun(*this, &ThumbBrowserBase::scrollChanged) );
internal.signal_size_allocate().connect( sigc::mem_fun(*this, &ThumbBrowserBase::internalAreaResized) );
signal_style_changed().connect( sigc::mem_fun(*this, &ThumbBrowserBase::styleChanged) );
}
void ThumbBrowserBase::scrollChanged () {
for (int i=0; i<fd.size(); i++)
fd[i]->setOffset ((int)(hscroll.get_value()), (int)(vscroll.get_value()));
internal.setPosition ((int)(hscroll.get_value()), (int)(vscroll.get_value()));
if (!internal.isDirty()) {
internal.setDirty ();
internal.queue_draw ();
// gdk_window_process_updates (get_window()->gobj(), true);
}
}
void ThumbBrowserBase::scroll (int direction) {
if (arrangement==TB_Vertical)
vscroll.set_value (vscroll.get_value() + (direction==GDK_SCROLL_DOWN ? +1 : -1) * vscroll.get_adjustment()->get_step_increment());
else
hscroll.set_value (hscroll.get_value() + (direction==GDK_SCROLL_DOWN ? +1 : -1) * hscroll.get_adjustment()->get_step_increment());
}
void ThumbBrowserBase::resizeThumbnailArea (int w, int h) {
inW = w;
inH = h;
if (hscroll.get_value() + internal.get_width() > inW)
hscroll.set_value (inW - internal.get_width());
if (vscroll.get_value() + internal.get_height() > inH)
vscroll.set_value (inH - internal.get_height());
configScrollBars ();
}
void ThumbBrowserBase::internalAreaResized (Gtk::Allocation& req) {
if (inW>0 && inH>0) {
configScrollBars ();
redraw ();
}
}
void ThumbBrowserBase::configScrollBars () {
if (inW>0 && inH>0) {
int iw = internal.get_width ();
int ih = internal.get_height ();
hscroll.get_adjustment()->set_upper (inW);
vscroll.get_adjustment()->set_upper (inH);
hscroll.get_adjustment()->set_lower (0);
vscroll.get_adjustment()->set_lower (0);
hscroll.get_adjustment()->set_step_increment (32);
vscroll.get_adjustment()->set_step_increment (32);
hscroll.get_adjustment()->set_page_increment (iw);
vscroll.get_adjustment()->set_page_increment (ih);
hscroll.get_adjustment()->set_page_size (iw);
vscroll.get_adjustment()->set_page_size (ih);
}
}
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 (rowHeight>0) {
numOfRows = (internal.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;
}
resizeThumbnailArea (currx, numOfRows*rowHeight);
}
else {
int availWidth = internal.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];
}
}
if (currx>0) // there were thumbnails placed in the row
curry += rowHeight;
}
resizeThumbnailArea (colsWidth, curry);
}
}
void ThumbBrowserBase::Internal::on_realize()
{
Cairo::FontOptions cfo;
cfo.set_antialias (Cairo::ANTIALIAS_SUBPIXEL);
get_pango_context()->set_cairo_font_options (cfo);
Gtk::DrawingArea::on_realize();
Glib::RefPtr<Gdk::Window> window = get_window();
set_flags (Gtk::CAN_FOCUS);
add_events(Gdk::EXPOSURE_MASK | Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK | Gdk::POINTER_MOTION_MASK | Gdk::SCROLL_MASK | Gdk::KEY_PRESS_MASK);
gc_ = Gdk::GC::create(window);
set_has_tooltip (true);
signal_query_tooltip().connect( sigc::mem_fun(*this, &ThumbBrowserBase::Internal::on_query_tooltip) );
}
bool ThumbBrowserBase::Internal::on_query_tooltip (int x, int y, bool keyboard_tooltip, const Glib::RefPtr<Gtk::Tooltip>& tooltip) {
Glib::ustring ttip = "";
for (int i=0; i<parent->fd.size(); i++)
if (parent->fd[i]->drawable && parent->fd[i]->inside (x, y)) {
ttip = parent->fd[i]->getToolTip (x, y);
break;
}
if (ttip!="") {
tooltip->set_text (ttip);
return true;
}
else
return false;
}
void ThumbBrowserBase::styleChanged (const Glib::RefPtr<Gtk::Style>& style) {
refreshThumbImages ();
}
ThumbBrowserBase::Internal::Internal () : parent(NULL), ofsX(0), ofsY(0), dirty(true) {
}
void ThumbBrowserBase::Internal::setParent (ThumbBrowserBase* p) {
parent = p;
}
void ThumbBrowserBase::Internal::setPosition (int x, int y) {
ofsX = x;
ofsY = y;
}
bool ThumbBrowserBase::Internal::on_key_press_event (GdkEventKey* event) {
return parent->keyPressed (event);
}
bool ThumbBrowserBase::Internal::on_button_press_event (GdkEventButton* event) {
grab_focus ();
parent->eventTime = event->time;
parent->buttonPressed ((int)event->x, (int)event->y, event->button, event->type, event->state, 0, 0, get_width(), get_height());
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;
}
void ThumbBrowserBase::buttonPressed (int x, int y, int button, GdkEventType type, int state, int clx, int cly, int clw, int clh) {
ThumbBrowserEntryBase* fileDescr = NULL;
bool handled = false;
for (int i=0; i<fd.size(); i++)
if (fd[i]->drawable) {
if (fd[i]->inside (x, y) && fd[i]->insideWindow (clx, cly, clw, clh))
fileDescr = fd[i];
bool b = fd[i]->pressNotify (button, type, state, x, y);
handled = handled || b;
}
if (handled || (fileDescr && fileDescr->processing))
return;
if (selected.size()==1 && type==GDK_2BUTTON_PRESS && button==1)
doubleClicked (selected[0]);
else if (button==1 && type==GDK_BUTTON_PRESS) {
if (fileDescr && state & GDK_SHIFT_MASK) {
if (selected.size()==0) {
selected.push_back (fileDescr);
fileDescr->selected = true;
lastClicked = fileDescr;
selectionChanged ();
}
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++) {
if (!fd[i]->filtered) {
fd[i]->selected = true;
selected.push_back (fd[i]);
}
}
selectionChanged ();
}
}
else if (fileDescr && 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;
selectionChanged ();
}
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;
selectionChanged ();
}
}
else if (fileDescr && button==3 && 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;
selectionChanged ();
}
rightClicked (fileDescr);
}
}
bool ThumbBrowserBase::Internal::on_expose_event(GdkEventExpose* event) {
dirty = false;
Glib::RefPtr<Gdk::Window> window = get_window();
int w = get_width();
int h = get_height();
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<parent->fd.size(); i++) {
if (!parent->fd[i]->drawable || !parent->fd[i]->insideWindow (0, 0, w, h))
parent->fd[i]->updatepriority = false;
else {
parent->fd[i]->updatepriority = true;
parent->fd[i]->draw ();
}
}
return true;
}
bool ThumbBrowserBase::Internal::on_button_release_event (GdkEventButton* event) {
int w = get_width();
int h = get_height();
for (int i=0; i<parent->fd.size(); i++)
if (parent->fd[i]->drawable && parent->fd[i]->insideWindow (0, 0, w, h))
parent->fd[i]->releaseNotify (event->button, event->type, event->state, (int)event->x, (int)event->y);
return true;
}
bool ThumbBrowserBase::Internal::on_motion_notify_event (GdkEventMotion* event) {
int w = get_width();
int h = get_height();
for (int i=0; i<parent->fd.size(); i++)
if (parent->fd[i]->drawable && parent->fd[i]->insideWindow (0, 0, w, h))
parent->fd[i]->motionNotify ((int)event->x, (int)event->y);
return true;
}
bool ThumbBrowserBase::Internal::on_scroll_event (GdkEventScroll* event) {
parent->scroll (event->direction);
return true;
}
void ThumbBrowserBase::redraw () {
arrangeFiles ();
queue_draw ();
}
void ThumbBrowserBase::zoomChanged (bool zoomIn) {
int newHeight;
int i=0;
if (zoomIn)
for (i=0; i<options.thumbnailZoomRatios.size(); i++) {
newHeight = (int)(options.thumbnailZoomRatios[i] * options.maxThumbnailHeight);
if (newHeight > options.thumbSize)
break;
}
else
for (i=options.thumbnailZoomRatios.size()-1; i>=0; i--) {
newHeight = (int)(options.thumbnailZoomRatios[i] * options.maxThumbnailHeight);
if (newHeight < options.thumbSize)
break;
}
previewHeight = options.thumbSize = newHeight;
for (int i=0; i<fd.size(); i++)
fd[i]->resize (previewHeight);
redraw ();
#ifdef _WIN32
gdk_window_process_updates (get_window()->gobj(), true);
#endif
}
void ThumbBrowserBase::refreshThumbImages () {
for (int i=0; i<fd.size(); i++){
previewHeight = options.thumbSize;
fd[i]->resize (previewHeight);// TODO!!! Might be performance bottleneck
fd[i]->refreshThumbnailImage ();
}
redraw ();
}
void ThumbBrowserBase::refreshEditedState (const std::set<Glib::ustring>& efiles) {
editedFiles = efiles;
for (int i=0; i<fd.size(); i++)
fd[i]->framed = editedFiles.find (fd[i]->filename)!=editedFiles.end();
queue_draw ();
}
void ThumbBrowserBase::setArrangement (Arrangement a) {
arrangement = a;
redraw ();
}
void ThumbBrowserBase::initEntry (ThumbBrowserEntryBase* entry) {
entry->setOffset ((int)(hscroll.get_value()), (int)(vscroll.get_value()));
}
void ThumbBrowserBase::getScrollPosition (double& h, double& v) {
h = hscroll.get_value ();
v = vscroll.get_value ();
}
void ThumbBrowserBase::setScrollPosition (double h, double v) {
hscroll.set_value (h>hscroll.get_adjustment()->get_upper() ? hscroll.get_adjustment()->get_upper() : h);
vscroll.set_value (v>vscroll.get_adjustment()->get_upper() ? vscroll.get_adjustment()->get_upper() : v);
}
/*void PreviewImgUpdater::processCustomOrder () {
// find first filtered entry, if any
std::list<ThumbBrowserEntryBase*>::iterator i;
for (i=jqueue.begin (); i!=jqueue.end(); i++)
if (!(*i)->filtered)
break;
if (i==jqueue.end())
i = jqueue.begin();
ThumbBrowserEntryBase* current = *i;
jqueue.erase (i);
current->updateImg ();
if (parent) {
gdk_threads_enter ();
parent->queue_draw ();
if (parent->get_window())
gdk_window_process_updates (parent->get_window()->gobj(), true);
gdk_threads_leave ();
}
}
*/
Reference in New Issue View Git Blame Copy Permalink