gambas-source-code/gb.gtk/src/CClipboard.cpp
Benoît Minisini db4d4afce6 [GB.FORM.EDITOR]
* NEW: TextEditor: Any selected text now goes to the selection clipboard
  automatically.
* NEW: TextEditor: The middle mouse button now pastes the selection 
  clipboard.

[GB.GTK]
* NEW: Clipboard.Current is a new property that tells if the Clipboard 
  methods and properties operate on the default clipboard or the selection
  clipboard.
  
[GB.GTK3]
* NEW: Clipboard.Current is a new property that tells if the Clipboard 
  methods and properties operate on the default clipboard or the selection
  clipboard.
  
[GB.GUI.BASE]
* NEW: ScrollArea: Draw the border around the scrollbars now.

[GB.QT4]
* NEW: Clipboard.Current is a new property that tells if the Clipboard 
  methods and properties operate on the default clipboard or the selection
  clipboard.
  
[GB.QT5]
* NEW: Clipboard.Current is a new property that tells if the Clipboard 
  methods and properties operate on the default clipboard or the selection
  clipboard.


git-svn-id: svn://localhost/gambas/trunk@7130 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2015-06-13 08:14:40 +00:00

582 lines
11 KiB
C++

/***************************************************************************
CClipboard.cpp
(c) 2004-2006 - Daniel Campos Fernández <dcamposf@gmail.com>
This program 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 2, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA.
***************************************************************************/
#define __CCLIPBOARD_CPP
#include "gclipboard.h"
#include "CWidget.h"
#include "CClipboard.h"
#include "CImage.h"
#include "CPicture.h"
/***************************************************************************
Clipboard
***************************************************************************/
static CIMAGE *_clipboard_image = NULL;
BEGIN_METHOD_VOID(CCLIPBOARD_clear)
gClipboard::clear();
GB.StoreObject(NULL, POINTER(&_clipboard_image));
END_METHOD
static char *get_format(int i = 0, bool charset = false, bool drag = false)
{
char *format = drag ? gDrag::getFormat(i) : gClipboard::getFormat(i);
char *p;
if (format && !charset)
{
p = index(format, ';');
if (p)
{
format = gt_free_later(g_strndup(format, p - format));
}
}
return format;
}
static void get_formats(GB_ARRAY array, bool drag = false)
{
int i, j;
char *fmt;
for (i = 0;; i++)
{
fmt = get_format(i, true, drag);
if (!fmt)
break;
if (*fmt < 'a' || *fmt > 'z')
continue;
for (j = 0; j < GB.Array.Count(array); j++)
{
if (strcasecmp(fmt, *((char **)GB.Array.Get(array, j))) == 0)
break;
}
if (j < GB.Array.Count(array))
continue;
*((char **)GB.Array.Add(array)) = GB.NewZeroString(fmt);
}
}
static bool exist_format(char *format, bool drag = false)
{
int i;
char *fmt;
bool ret = false;
for (i = 0;; i++)
{
fmt = get_format(i, true, drag);
if (!fmt)
break;
if (*fmt < 'a' || *fmt > 'z')
continue;
if (!strcasecmp(format, fmt))
{
ret = true;
break;
}
}
return ret;
}
BEGIN_PROPERTY(CCLIPBOARD_format)
GB.ReturnNewZeroString(get_format());
END_PROPERTY
BEGIN_PROPERTY(CCLIPBOARD_formats)
GB_ARRAY array;
GB.Array.New(&array, GB_T_STRING, 0);
get_formats(array);
GB.ReturnObject(array);
END_PROPERTY
BEGIN_PROPERTY(CCLIPBOARD_type)
GB.ReturnInteger(gClipboard::getType());
END_PROPERTY
BEGIN_METHOD(CCLIPBOARD_copy, GB_VARIANT data; GB_STRING format)
char *format;
if (VARG(data).type == GB_T_STRING)
{
if (MISSING(format))
format = NULL;
else
{
format = GB.ToZeroString(ARG(format));
if (strlen(format) < 6 || strncmp(format, "text/", 5) )
goto _BAD_FORMAT;
}
gClipboard::setText(VARG(data).value._string, -1, format);
return;
}
if (VARG(data).type >= GB_T_OBJECT && GB.Is(VARG(data).value._object, GB.FindClass("Image")))
{
CIMAGE *img;
if (!MISSING(format))
goto _BAD_FORMAT;
img = (CIMAGE *)VARG(data).value._object;
GB.Unref(POINTER(&_clipboard_image));
GB.Ref(img);
_clipboard_image = img;
gClipboard::setImage(CIMAGE_get(img));
return;
}
_BAD_FORMAT:
GB.Error("Bad clipboard format");
END_METHOD
BEGIN_METHOD(CCLIPBOARD_paste, GB_STRING format)
CIMAGE *img;
char *format = NULL;
char *text;
int len;
int type;
type = gClipboard::getType();
if (!MISSING(format))
{
format = GB.ToZeroString(ARG(format));
if (!exist_format(format))
{
GB.ReturnVariant(NULL);
return;
}
if (strncasecmp(format, "text/", 5) == 0)
type = gClipboard::Text;
}
switch(type)
{
case gClipboard::Text:
text = gClipboard::getText(&len, format);
if (text)
GB.ReturnNewString(text, len);
else
GB.ReturnNull();
break;
case gClipboard::Image:
img = CIMAGE_create(gClipboard::getImage());
GB.ReturnObject((void *)img);
break;
case gClipboard::Nothing:
default:
GB.ReturnNull();
}
GB.ReturnConvVariant();
END_METHOD
BEGIN_PROPERTY(Clipboard_Current)
if (READ_PROPERTY)
GB.ReturnInteger(gClipboard::getCurrent());
else
gClipboard::setCurrent(VPROP(GB_INTEGER));
END_PROPERTY
GB_DESC CClipboardDesc[] =
{
GB_DECLARE("Clipboard", 0), GB_VIRTUAL_CLASS(),
GB_CONSTANT("None", "i", 0),
GB_CONSTANT("Text", "i", 1),
GB_CONSTANT("Image", "i", 2),
GB_CONSTANT("Default", "i", 0),
GB_CONSTANT("Selection", "i", 1),
GB_STATIC_METHOD("_exit", 0, CCLIPBOARD_clear, 0),
GB_STATIC_METHOD("Clear", 0, CCLIPBOARD_clear, 0),
GB_STATIC_PROPERTY("Current", "i", Clipboard_Current),
GB_STATIC_PROPERTY_READ("Format", "s", CCLIPBOARD_format),
GB_STATIC_PROPERTY_READ("Formats", "String[]", CCLIPBOARD_formats),
GB_STATIC_PROPERTY_READ("Type", "i", CCLIPBOARD_type),
GB_STATIC_METHOD("Copy", 0, CCLIPBOARD_copy, "(Data)v[(Format)s]"),
GB_STATIC_METHOD("Paste", "v", CCLIPBOARD_paste, "[(Format)s]"),
GB_END_DECLARE
};
/***************************************************************************
Drag
***************************************************************************/
void *CDRAG_drag(CWIDGET *source, GB_VARIANT_VALUE *data, char *format)
{
gControl *dest;
if (GB.CheckObject(source))
return NULL;
if (gDrag::isActive())
{
GB.Error("Undergoing drag");
return NULL;
}
if (data->type == GB_T_STRING)
{
if (format)
{
if (strlen(format) < 5)
goto _BAD_FORMAT;
if (strncasecmp(format, "text/", 5))
goto _BAD_FORMAT;
}
dest = gDrag::dragText(source->widget, data->value._string, format);
}
else if (data->type >= GB_T_OBJECT && GB.Is(data->value._object, GB.FindClass("Image")))
{
if (format && *format)
goto _BAD_FORMAT;
dest = gDrag::dragImage(source->widget, CIMAGE_get((CIMAGE *)data->value._object));
}
else
goto _BAD_FORMAT;
//hide_frame(NULL);
//GB.Post((GB_POST_FUNC)post_exit_drag, 0);
return GetObject(dest);
_BAD_FORMAT:
GB.Error("Bad drag format");
return NULL;
}
BEGIN_METHOD(CDRAG_call, GB_OBJECT source; GB_VARIANT data; GB_STRING format)
GB.ReturnObject(CDRAG_drag((CWIDGET *)VARG(source), &VARG(data), MISSING(format) ? NULL : GB.ToZeroString(ARG(format))));
END_METHOD
BEGIN_PROPERTY(CDRAG_icon)
if (READ_PROPERTY)
{
gPicture *pic = gDrag::getIcon();
GB.ReturnObject(pic ? pic->getTagValue() : 0);
}
else
{
CPICTURE *pic = (CPICTURE *)VPROP(GB_OBJECT);
gDrag::setIcon(pic ? pic->picture : 0);
}
END_PROPERTY
BEGIN_PROPERTY(CDRAG_icon_x)
int x, y;
gDrag::getIconPos(&x, &y);
if (READ_PROPERTY)
GB.ReturnInteger(x);
else
gDrag::setIconPos(VPROP(GB_INTEGER), y);
END_PROPERTY
BEGIN_PROPERTY(CDRAG_icon_y)
int x, y;
gDrag::getIconPos(&x, &y);
if (READ_PROPERTY)
GB.ReturnInteger(y);
else
gDrag::setIconPos(x, VPROP(GB_INTEGER));
END_PROPERTY
#define CHECK_VALID() \
if (!gDrag::isEnabled()) \
{ \
GB.Error("No drag data"); \
return; \
}
BEGIN_PROPERTY(CDRAG_type)
CHECK_VALID();
GB.ReturnInteger(gDrag::getType());
END_PROPERTY
BEGIN_PROPERTY(CDRAG_format)
CHECK_VALID();
GB.ReturnNewZeroString(get_format(0, false, true));
END_PROPERTY
BEGIN_PROPERTY(CDRAG_formats)
GB_ARRAY array;
CHECK_VALID();
GB.Array.New(&array, GB_T_STRING, 0);
get_formats(array, true);
GB.ReturnObject(array);
END_PROPERTY
static void paste_drag(char *format)
{
CIMAGE *image;
char *text;
int len;
//if (format)
// g_debug("format: %s drag: %s\n", format, gDrag::getFormat());
//fprintf(stderr, "paste_drag: %s\n", format);
if (format)
{
if (!exist_format(format, true))
{
GB.ReturnVariant(NULL);
return;
}
}
switch(gDrag::getType())
{
case gDrag::Text:
text = gDrag::getText(&len, format);
if (text)
GB.ReturnNewString(text, len);
else
GB.ReturnNull();
break;
case gDrag::Image:
image = CIMAGE_create(gDrag::getImage()->copy());
GB.ReturnObject((void *)image);
break;
default:
GB.ReturnNull();
}
GB.ReturnConvVariant();
}
BEGIN_PROPERTY(CDRAG_data)
CHECK_VALID();
if (!gDrag::isActive())
{
GB.ReturnNull();
return;
}
paste_drag(NULL);
END_PROPERTY
BEGIN_METHOD(CDRAG_paste, GB_STRING format)
CHECK_VALID();
if (!gDrag::isActive())
{
GB.ReturnNull();
return;
}
paste_drag(MISSING(format) ? NULL : GB.ToZeroString(ARG(format)));
END_METHOD
BEGIN_PROPERTY(CDRAG_action)
CHECK_VALID();
GB.ReturnInteger(gDrag::getAction());
END_PROPERTY
BEGIN_PROPERTY(CDRAG_source)
CHECK_VALID();
GB.ReturnObject(GetObject(gDrag::getSource()));
END_PROPERTY
BEGIN_PROPERTY(CDRAG_x)
CHECK_VALID();
GB.ReturnInteger(gDrag::getDropX());
END_PROPERTY
BEGIN_PROPERTY(CDRAG_y)
CHECK_VALID();
GB.ReturnInteger(gDrag::getDropY());
END_PROPERTY
BEGIN_METHOD_VOID(CDRAG_exit)
gDrag::exit();
END_METHOD
BEGIN_PROPERTY(CDRAG_pending)
GB.ReturnBoolean(gDrag::isActive());
END_PROPERTY
BEGIN_METHOD(CDRAG_show, GB_OBJECT control; GB_INTEGER x; GB_INTEGER y; GB_INTEGER w; GB_INTEGER h)
if (GB.CheckObject(VARG(control)))
return;
/*if (!gDrag::isActive())
{
GB.Error("No undergoing drag");
return;
}*/
if (MISSING(x) || MISSING(y) || MISSING(w) || MISSING(h))
gDrag::show(((CWIDGET *)VARG(control))->widget);
else
gDrag::show(((CWIDGET *)VARG(control))->widget, VARG(x), VARG(y), VARG(w), VARG(h));
END_METHOD
BEGIN_METHOD_VOID(CDRAG_hide)
gDrag::hide();
END_METHOD
GB_DESC CDragDesc[] =
{
GB_DECLARE("Drag", 0), GB_VIRTUAL_CLASS(),
GB_CONSTANT("None", "i", gDrag::Nothing),
GB_CONSTANT("Text", "i", gDrag::Text),
GB_CONSTANT("Image", "i", gDrag::Image),
GB_CONSTANT("Copy", "i", 0),
GB_CONSTANT("Link", "i", 1),
GB_CONSTANT("Move", "i", 2),
GB_STATIC_PROPERTY("Icon", "Picture", CDRAG_icon),
GB_STATIC_PROPERTY("IconX", "i", CDRAG_icon_x),
GB_STATIC_PROPERTY("IconY", "i", CDRAG_icon_y),
GB_STATIC_PROPERTY_READ("Data", "v", CDRAG_data),
GB_STATIC_PROPERTY_READ("Format", "s", CDRAG_format),
GB_STATIC_PROPERTY_READ("Formats", "String[]", CDRAG_formats),
GB_STATIC_PROPERTY_READ("Type", "i", CDRAG_type),
GB_STATIC_PROPERTY_READ("Action", "i", CDRAG_action),
GB_STATIC_PROPERTY_READ("Source", "Control", CDRAG_source),
GB_STATIC_PROPERTY_READ("X", "i", CDRAG_x),
GB_STATIC_PROPERTY_READ("Y", "i", CDRAG_y),
GB_STATIC_PROPERTY_READ("Pending", "b", CDRAG_pending),
GB_STATIC_METHOD("_call", "Control", CDRAG_call, "(Source)Control;(Data)v[(Format)s]"),
GB_STATIC_METHOD("_exit", 0, CDRAG_exit, 0),
GB_STATIC_METHOD("Show", 0, CDRAG_show, "(Control)Control;[(X)i(Y)i(Width)i(Height)i]"),
GB_STATIC_METHOD("Hide", 0, CDRAG_hide, 0),
GB_STATIC_METHOD("Paste", "v", CDRAG_paste, "[(Format)s]"),
GB_END_DECLARE
};