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Better zooming, small fixes

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This commit is contained in:
Sanel Zukan 2012-04-25 09:45:52 +00:00
parent b16aa99e08
commit 3c314d9482
1 changed files with 27 additions and 38 deletions
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65
ede-image-view/ede-image-view.cpp
View File

@ -28,6 +28,7 @@
#include <FL/Fl_Widget.H>
#include <FL/Fl_File_Chooser.H>
#include <FL/filename.H>
#include <FL/x.H>
#include <edelib/Ede.h>
#define DEBUG 1
@ -35,8 +36,6 @@
// Supported image types
const char* supported[] = {"bm","bmp","gif","jpg","pbm","pgm","png","ppm","xbm","xpm",0};
// Global variables used everywhere
char filename[FL_PATH_MAX], directory[FL_PATH_MAX];
Fl_Double_Window* w;
@ -47,6 +46,7 @@ Fl_Shared_Image *im;
class ScrolledImage;
ScrolledImage* s;
int screen_x, screen_y, screen_w, screen_h;
// Directory list cache used in prevnext()
dirent **files;
@ -80,7 +80,6 @@ void open_cb(Fl_Widget*,void*) {
loadimage();
}
void manage_cb(Fl_Widget* b,void*) {} // call file manager
void fullscreen_cb(Fl_Widget* b,void*) {
static bool isfull=false;
static int X,Y,W,H;
@ -93,46 +92,43 @@ void fullscreen_cb(Fl_Widget* b,void*) {
isfull=true;
}
}
void zoomin_cb(Fl_Widget* b,void*) {
if (zoomfactor>=1) zoomfactor += 0.2; else zoomfactor += zoomfactor/5;
autozoom=false;
loadimage();
if((im->w() > w->w() || im->h() > w->h()) && (w->w() < screen_w && w->h() < screen_h))
w->size(im->w(), im->h());
}
void zoomout_cb(Fl_Widget* b,void*) {
if (zoomfactor>=1) zoomfactor -= 0.2; else zoomfactor -= zoomfactor/5;
autozoom=false;
loadimage();
// some minimal size
if(w->w() > 10 && w->h() > 10)
w->size(im->w(), im->h());
}
void zoomrestore_cb(Fl_Widget* b,void*) { zoomfactor = 1; autozoom=false; loadimage(); }
void zoomauto_cb(Fl_Widget *b,void*) { autozoom = !autozoom; loadimage(); }
void about_cb(Fl_Widget* b,void*) {} // about window
void exit_cb(Fl_Widget* b,void*) { exit(0); }
void exit_cb(Fl_Widget* b,void*) { w->hide(); }
// Main popup menu
Fl_Menu_Item mainmenu[] = {
{_("&Open"), FL_CTRL+'o', open_cb},
{_("&Manage"), 0, manage_cb, 0, FL_MENU_DIVIDER},
{_("&Previous"), FL_Page_Up, prev_cb},
{_("&Next"), FL_Page_Down, next_cb, 0, FL_MENU_DIVIDER},
{_("&Zoom in"), '+', zoomin_cb},
{_("Zoom &out"), '-', zoomout_cb},
{_("Zoom &auto"), FL_CTRL+'a', zoomauto_cb},
{_("&Restore"), '/', zoomrestore_cb, 0, FL_MENU_DIVIDER},
{_("&Fullscreen"), FL_F+11, fullscreen_cb, 0, FL_MENU_DIVIDER},
{_("A&bout"), 0, about_cb},
{_("&Exit"), FL_Escape, exit_cb},
{_("&Open"), FL_CTRL+'o',open_cb, 0, FL_MENU_DIVIDER},
{_("&Previous"), FL_Page_Up, prev_cb},
{_("&Next"), FL_Page_Down, next_cb, 0, FL_MENU_DIVIDER},
{_("&Zoom in"), '+', zoomin_cb},
{_("Zoom &out"), '-', zoomout_cb},
{_("Zoom &auto"), FL_CTRL+'a', zoomauto_cb},
{_("&Restore"), '/', zoomrestore_cb, 0, FL_MENU_DIVIDER},
{_("&Fullscreen"), FL_F+11, fullscreen_cb, 0, FL_MENU_DIVIDER},
{_("&Exit"), FL_Escape, exit_cb},
{0}
};
class ScrolledImage : public Fl_Scroll {
private:
Fl_Box* b;
@ -202,8 +198,6 @@ public:
};
// Directory changed, get new directory from filename
void newdir() {
int p=0;
@ -221,8 +215,6 @@ void newdir() {
void loadimage() {
char tmp[FL_PATH_MAX]; // the string buffer
if (DEBUG) fprintf(stderr, "Loadimage() - file: %s\n",filename);
// Load image
if (im) { im->release(); im=0; }
im = Fl_Shared_Image::get(filename); // image type is autodetected now
@ -268,7 +260,7 @@ void loadimage() {
snprintf(tmp,FL_PATH_MAX, "%s (%dx%d) - %s", fl_filename_name(filename),realw,realh, _("View picture")); // splitted for easier localization
else
snprintf(tmp,FL_PATH_MAX, "%s (%dx%d) - %s %1.1fx - %s", fl_filename_name(filename),realw,realh,_("zoom"),zoomfactor, _("View picture"));
w->label(strdup(tmp));
w->copy_label(tmp);
}
@ -277,9 +269,6 @@ void loadimage() {
void prevnext(int direction) {
char tmp[FL_PATH_MAX]; // the string buffer
if (DEBUG)
fprintf(stderr, "Prevnext() - file: %s dir: %s direction: %d\n",filename,directory,direction);
if (nfiles == 0) { // read directory
nfiles = fl_filename_list(directory,&files);
}
@ -341,21 +330,18 @@ void prevnext(int direction) {
s->image(0);
filename[0]=0;
snprintf(tmp,FL_PATH_MAX, _("No pictures in directory %s"),directory);
s->label(strdup(tmp));
s->copy_label(tmp);
s->redraw();
// Window title
snprintf(tmp,FL_PATH_MAX, _("View picture - nothing found in %s"),directory);
w->label(strdup(tmp));
w->copy_label(tmp);
}
void nextpic() { prevnext(1); }
void prevpic() { prevnext(0); }
int main (int argc, char **argv) {
// Parse command line - this must come first
int unknown=0;
Fl::args(argc,argv,unknown);
@ -390,8 +376,11 @@ int main (int argc, char **argv) {
EDE_APPLICATION("ede-image-view");
fl_open_display();
fl_register_images();
zoomfactor=1; im=0; // defaults
Fl::screen_xywh(screen_x, screen_y, screen_w, screen_h);
// Main window