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Improve clipboard example program, fix compilation warnings.

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Use show(argc,argv) to enable command line arguments and colors,
fix indentation, Windows compilation warnings, and change tab
selection color, which was too dark on my Win7 system (low
contrast with tab labels).

I also added #define TAB_COLOR to make changing the tab selection
colors easier, if needed.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10318 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Albrecht Schlosser
2014-09-17 11:51:56 +00:00
parent 9dae6e96b2
commit 49e21120b6
1 changed files with 17 additions and 15 deletions
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32
examples/clipboard.cxx
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@@ -55,11 +55,13 @@ public:
}
fl_pop_clip();
fl_pop_clip();
}
}
draw_label(); // draw the box image
}
} *chess_obj;
#define TAB_COLOR FL_DARK3
class clipboard_viewer : public Fl_Tabs { // use tabs to display as appropriate the image or textual content of the clipboard
public:
clipboard_viewer(int x, int y, int w, int h) : Fl_Tabs(x,y,w,h) {};
@@ -80,11 +82,11 @@ public:
if (format && format < CF_MAX) { sprintf(p, " %d",format); p += strlen(p); }
}
HANDLE h;
if (h = GetClipboardData(CF_DIB)) {
if ((h = GetClipboardData(CF_DIB))) {
LPBITMAPINFO lpBI = (LPBITMAPINFO)GlobalLock(h);
sprintf(p, " biBitCount=%d biCompression=%d biClrUsed=%d",
lpBI->bmiHeader.biBitCount, lpBI->bmiHeader.biCompression, lpBI->bmiHeader.biClrUsed);
}
lpBI->bmiHeader.biBitCount, (int)lpBI->bmiHeader.biCompression, (int)lpBI->bmiHeader.biClrUsed);
}
CloseClipboard();
#endif
float scale_x = (float)im->w() / image_box->w(); // rescale the image if larger than the display box
@@ -95,21 +97,21 @@ public:
Fl_Image *im2 = im->copy(im->w()/scale, im->h()/scale);
delete im;
im = im2;
}
}
Fl_Image *oldim = image_box->image();
if (oldim) delete oldim;
image_box->image(im); // show the scaled image
image_size->copy_label(title);
value(image_box->parent());
window()->redraw();
}
}
else { // text is being pasted
display->buffer()->text(Fl::event_text());
value(display);
display->redraw();
}
return 1;
}
return 1;
}
} *tabs;
@@ -118,7 +120,7 @@ void cb(Fl_Widget *wid, clipboard_viewer *tabs)
if (Fl::clipboard_contains(Fl::clipboard_image)) {
Fl::paste(*tabs, 1, Fl::clipboard_image); // try to find image in the clipboard
return;
}
}
if (Fl::clipboard_contains(Fl::clipboard_plain_text)) Fl::paste(*tabs, 1, Fl::clipboard_plain_text); // also try to find text
}
@@ -126,7 +128,7 @@ void clip_callback(int source, void *data) { // called after clipboard was chang
if ( source == 1 ) cb(NULL, (clipboard_viewer *)data);
}
int main()
int main(int argc, char **argv)
{
#if !(defined(__APPLE__) || defined(WIN32))
extern void fl_register_images();
@@ -139,15 +141,15 @@ int main()
image_box = new chess(5, 30, 490, 450);
image_size = new Fl_Box(FL_NO_BOX, 5, 485, 490, 10, 0);
g->end();
g->selection_color(FL_INACTIVE_COLOR);
g->selection_color(TAB_COLOR);
Fl_Text_Buffer *buffer = new Fl_Text_Buffer();
display = new Fl_Text_Display(5,30,490, 460, Fl::clipboard_plain_text); // display will display the text form
display->buffer(buffer);
display->selection_color(FL_INACTIVE_COLOR);
display->selection_color(TAB_COLOR);
tabs->end();
tabs->resizable(display);
Fl_Group *g2 = new Fl_Group( 10,510,200,25);
Fl_Button *refresh = new Fl_Button(10,510,200,25, "Refresh from clipboard");
refresh->callback((Fl_Callback*)cb, tabs);
@@ -155,7 +157,7 @@ int main()
g2->resizable(NULL);
win->end();
win->resizable(tabs);
win->show();
win->show(argc,argv);
#if defined(__APPLE__) || defined(WIN32)
clip_callback(1, tabs); // use clipboard content at start
#endif