mirror/opencv
1
0
Fork 0
mirror of https://github.com/opencv/opencv.git synced 2024-11-24 19:20:28 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

Make Ctrl+S open save dialog on Gtk backend

Browse Source
This commit is contained in:
Andrey Kamaev 2014-12-05 14:53:19 +03:00
parent fac99de7ec
commit 05bc48e8f4
1 changed files with 95 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

97
modules/highgui/src/window_gtk.cpp
View File

@ -40,6 +40,7 @@
//M*/
#include "precomp.hpp"
#include "opencv2/imgproc.hpp"
#ifndef WIN32
@ -1629,18 +1630,110 @@ CV_IMPL const char* cvGetWindowName( void* window_handle )
return window_name;
}
static GtkFileFilter* icvMakeGtkFilter(const char* name, const char* patterns, GtkFileFilter* images)
{
GtkFileFilter* filter = gtk_file_filter_new();
gtk_file_filter_set_name(filter, name);
while(patterns[0])
{
gtk_file_filter_add_pattern(filter, patterns);
gtk_file_filter_add_pattern(images, patterns);
patterns += strlen(patterns) + 1;
}
return filter;
}
static void icvShowSaveAsDialog(GtkWidget* widget, CvWindow* window)
{
if (!window || !widget)
return;
CvImageWidget* image_widget = CV_IMAGE_WIDGET(window->widget);
if (!image_widget || !image_widget->original_image)
return;
GtkWidget* dialog = gtk_file_chooser_dialog_new("Save As...",
GTK_WINDOW(widget),
GTK_FILE_CHOOSER_ACTION_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT,
NULL);
gtk_file_chooser_set_do_overwrite_confirmation(GTK_FILE_CHOOSER(dialog), TRUE);
cv::String sname = gtk_window_get_title(GTK_WINDOW(window->frame));
sname = sname.substr(sname.find_last_of("\\/") + 1) + ".png";
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), sname.c_str());
GtkFileFilter* filter_all = gtk_file_filter_new();
gtk_file_filter_set_name(filter_all, "All Files");
gtk_file_filter_add_pattern(filter_all, "*");
GtkFileFilter* filter_images = gtk_file_filter_new();
gtk_file_filter_set_name(filter_images, "All Images");
GtkFileFilter* file_filters[] = {
icvMakeGtkFilter("Portable Network Graphics files (*.png)", "*.png\0", filter_images),
icvMakeGtkFilter("JPEG files (*.jpeg;*.jpg;*.jpe)", "*.jpeg\0*.jpg\0*.jpe\0", filter_images),
icvMakeGtkFilter("Windows bitmap (*.bmp;*.dib)", "*.bmp\0*.dib\0", filter_images),
icvMakeGtkFilter("TIFF Files (*.tiff;*.tif)", "*.tiff\0*.tif\0", filter_images),
icvMakeGtkFilter("JPEG-2000 files (*.jp2)", "*.jp2\0", filter_images),
icvMakeGtkFilter("WebP files (*.webp)", "*.webp\0", filter_images),
icvMakeGtkFilter("Portable image format (*.pbm;*.pgm;*.ppm;*.pxm;*.pnm)", "*.pbm\0*.pgm\0*.ppm\0*.pxm\0*.pnm\0", filter_images),
icvMakeGtkFilter("OpenEXR Image files (*.exr)", "*.exr\0", filter_images),
icvMakeGtkFilter("Radiance HDR (*.hdr;*.pic)", "*.hdr\0*.pic\0", filter_images),
icvMakeGtkFilter("Sun raster files (*.sr;*.ras)", "*.sr\0*.ras\0", filter_images),
filter_images,
filter_all
};
for (size_t idx = 0; idx < sizeof(file_filters)/sizeof(file_filters[0]); ++idx)
gtk_file_chooser_add_filter(GTK_FILE_CHOOSER(dialog), file_filters[idx]);
gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(dialog), filter_images);
cv::String filename;
if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT)
{
char* fname = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
filename = fname;
g_free(fname);
}
gtk_widget_destroy(dialog);
if (!filename.empty())
{
cv::Mat bgr;
cv::cvtColor(cv::cvarrToMat(image_widget->original_image), bgr, cv::COLOR_RGB2BGR);
cv::imwrite(filename, bgr);
}
}
#if defined (GTK_VERSION3)
#define GDK_Escape GDK_KEY_Escape
#define GDK_Return GDK_KEY_Return
#define GDK_Linefeed GDK_KEY_Linefeed
#define GDK_Tab GDK_KEY_Tab
#define GDK_s GDK_KEY_s
#define GDK_S GDK_KEY_S
#endif //GTK_VERSION3
static gboolean icvOnKeyPress( GtkWidget * /*widget*/,
GdkEventKey* event, gpointer /*user_data*/ )
static gboolean icvOnKeyPress(GtkWidget* widget, GdkEventKey* event, gpointer user_data)
{
int code = 0;
if ( (event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK && (event->keyval == GDK_s || event->keyval == GDK_S))
{
try
{
icvShowSaveAsDialog(widget, (CvWindow*)user_data);
}
catch(...)
{
// suppress all exceptions here
}
}
switch( event->keyval )
{
case GDK_Escape: