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netsurf/amiga/clipboard.c

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/*
* Copyright 2008-2012 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
#include <proto/iffparse.h>
#include <proto/intuition.h>
#include <proto/exec.h>
#include <proto/datatypes.h>
#include <proto/diskfont.h>
#include <diskfont/diskfonttag.h>
#include <datatypes/textclass.h>
#include <datatypes/pictureclass.h>
#include "utils/nsoption.h"
#include "utils/utf8.h"
#include "desktop/browser.h"
#include "desktop/plotters.h"
#include "desktop/textinput.h"
#include "desktop/gui_window.h"
#include "desktop/gui_clipboard.h"
#include "amiga/bitmap.h"
#include "amiga/clipboard.h"
#include "amiga/drag.h"
#include "amiga/filetype.h"
#include "amiga/gui.h"
#include "amiga/iff_cset.h"
#include "amiga/iff_dr2d.h"
#include "amiga/menu.h"
#include "amiga/misc.h"
#include "amiga/utf8.h"
#define ID_UTF8 MAKE_ID('U','T','F','8')
struct IFFHandle *iffh = NULL;
static struct IFFHandle *ami_clipboard_init_internal(int unit)
{
struct IFFHandle *iffhandle = NULL;
if((iffhandle = AllocIFF()))
{
if((iffhandle->iff_Stream = (ULONG)OpenClipboard(unit)))
{
InitIFFasClip(iffhandle);
}
}
return iffhandle;
}
void ami_clipboard_init(void)
{
iffh = ami_clipboard_init_internal(0);
}
static void ami_clipboard_free_internal(struct IFFHandle *iffhandle)
{
if(iffhandle == NULL) return;
if(iffhandle->iff_Stream) CloseClipboard((struct ClipboardHandle *)iffhandle->iff_Stream);
FreeIFF(iffhandle);
}
void ami_clipboard_free(void)
{
ami_clipboard_free_internal(iffh);
}
void gui_start_selection(struct gui_window *g)
{
if(!g) return;
if(!g->shared->win) return;
if(nsoption_bool(kiosk_mode) == true) return;
OnMenu(g->shared->win, AMI_MENU_CLEAR);
OnMenu(g->shared->win, AMI_MENU_COPY);
if (browser_window_get_editor_flags(g->bw) & BW_EDITOR_CAN_CUT)
OnMenu(g->shared->win, AMI_MENU_CUT);
}
static char *ami_clipboard_cat_collection(struct CollectionItem *ci, LONG codeset, size_t *text_length)
{
struct CollectionItem *ci_new = NULL, *ci_next = NULL, *ci_curr = ci;
size_t len = 0;
char *text = NULL, *p;
/* Scan the collected chunks to find out the total size.
* If they are not in UTF-8, convert the chunks first and create a new CollectionItem list.
*/
do {
switch(codeset) {
case 106:
len += ci_curr->ci_Size;
break;
case 0:
if(ci_new) {
ci_next->ci_Next = ami_misc_allocvec_clear(sizeof(struct CollectionItem), 0);
ci_next = ci_next->ci_Next;
} else {
ci_new = ami_misc_allocvec_clear(sizeof(struct CollectionItem), 0);
ci_next = ci_new;
}
utf8_from_local_encoding(ci_curr->ci_Data, ci_curr->ci_Size, (char **)&ci_next->ci_Data);
ci_next->ci_Size = strlen(ci_next->ci_Data);
len += ci_next->ci_Size;
break;
default:
if(ci_new) {
ci_next->ci_Next = ami_misc_allocvec_clear(sizeof(struct CollectionItem), 0);
ci_next = ci_next->ci_Next;
} else {
ci_new = ami_misc_allocvec_clear(sizeof(struct CollectionItem), 0);
ci_next = ci_new;
}
utf8_from_enc(ci_curr->ci_Data,
(const char *)ObtainCharsetInfo(DFCS_NUMBER,
codeset, DFCS_MIMENAME),
ci_curr->ci_Size, (char **)&ci_next->ci_Data, NULL);
ci_next->ci_Size = strlen(ci_next->ci_Data);
len += ci_next->ci_Size;
break;
}
} while ((ci_curr = ci_curr->ci_Next));
text = malloc(len);
if(text == NULL) return NULL;
/* p points to the end of the buffer. This is because the chunks are
* in the list in reverse order. */
p = text + len;
if(ci_new) {
ci_curr = ci_new;
} else {
ci_curr = ci;
}
do {
p -= ci_curr->ci_Size;
memcpy(p, ci_curr->ci_Data, ci_curr->ci_Size);
ci_next = ci_curr->ci_Next;
if(ci_new) {
free(ci_curr->ci_Data);
FreeVec(ci_curr);
}
} while ((ci_curr = ci_next));
*text_length = len;
return text;
}
static void gui_get_clipboard(char **buffer, size_t *length)
{
struct CollectionItem *ci = NULL;
struct StoredProperty *sp = NULL;
ULONG error;
struct CSet *cset;
if(OpenIFF(iffh,IFFF_READ)) return;
if(CollectionChunk(iffh,ID_FTXT,ID_CHRS)) return;
if(PropChunk(iffh,ID_FTXT,ID_CSET)) return;
if(CollectionChunk(iffh,ID_FTXT,ID_UTF8)) return;
if(StopOnExit(iffh, ID_FTXT, ID_FORM)) return;
error = ParseIFF(iffh,IFFPARSE_SCAN);
if((ci = FindCollection(iffh, ID_FTXT, ID_UTF8))) {
*buffer = ami_clipboard_cat_collection(ci, 106, length);
} else if((ci = FindCollection(iffh, ID_FTXT, ID_CHRS))) {
LONG codeset = 0;
if((sp = FindProp(iffh, ID_FTXT, ID_CSET))) {
cset = (struct CSet *)sp->sp_Data;
codeset = cset->CodeSet;
}
*buffer = ami_clipboard_cat_collection(ci, codeset, length);
}
CloseIFF(iffh);
}
static void gui_set_clipboard(const char *buffer, size_t length,
nsclipboard_styles styles[], int n_styles)
{
char *text;
struct CSet cset = {0, {0}};
if(buffer == NULL) return;
if(!(OpenIFF(iffh, IFFF_WRITE)))
{
if(!(PushChunk(iffh, ID_FTXT, ID_FORM, IFFSIZE_UNKNOWN)))
{
if(nsoption_bool(clipboard_write_utf8))
{
if(!(PushChunk(iffh, 0, ID_CSET, 32)))
{
cset.CodeSet = 106; // UTF-8
WriteChunkBytes(iffh, &cset, 32);
PopChunk(iffh);
}
}
}
else
{
PopChunk(iffh);
}
if(!(PushChunk(iffh, 0, ID_CHRS, IFFSIZE_UNKNOWN))) {
if(nsoption_bool(clipboard_write_utf8)) {
WriteChunkBytes(iffh, buffer, length);
} else {
if(utf8_to_local_encoding(buffer, length, &text) == NSERROR_OK) {
char *p;
p = text;
while(*p != '\0') {
if(*p == 0xa0) *p = 0x20;
p++;
}
WriteChunkBytes(iffh, text, strlen(text));
ami_utf8_free(text);
}
}
PopChunk(iffh);
} else {
PopChunk(iffh);
}
if(!(PushChunk(iffh, 0, ID_UTF8, IFFSIZE_UNKNOWN))) {
WriteChunkBytes(iffh, buffer, length);
PopChunk(iffh);
} else {
PopChunk(iffh);
}
CloseIFF(iffh);
}
}
void ami_drag_selection(struct gui_window *g)
{
int x;
int y;
char *utf8text;
char *sel;
struct IFFHandle *old_iffh = iffh;
struct gui_window_2 *gwin = ami_window_at_pointer(AMINS_WINDOW);
/* NB: 'gwin' is at the drop point, 'g' is where the selection was dragged from.
* These may be different if the selection has been dragged between windows. */
if(!gwin)
{
DisplayBeep(scrn);
return;
}
x = gwin->win->MouseX;
y = gwin->win->MouseY;
if(ami_text_box_at_point(gwin, (ULONG *)&x, (ULONG *)&y))
{
iffh = ami_clipboard_init_internal(1);
browser_window_key_press(g->bw, NS_KEY_COPY_SELECTION);
browser_window_mouse_click(gwin->gw->bw, BROWSER_MOUSE_PRESS_1, x, y);
browser_window_key_press(gwin->gw->bw, NS_KEY_PASTE);
ami_clipboard_free_internal(iffh);
iffh = old_iffh;
}
else
{
x = gwin->win->MouseX;
y = gwin->win->MouseY;
if(ami_gadget_hit(gwin->objects[GID_URL], x, y))
{
if((sel = browser_window_get_selection(g->bw)))
{
utf8text = ami_utf8_easy(sel);
RefreshSetGadgetAttrs((struct Gadget *)gwin->objects[GID_URL],
gwin->win, NULL, STRINGA_TextVal, utf8text, TAG_DONE);
free(sel);
ami_utf8_free(utf8text);
}
}
else if(ami_gadget_hit(gwin->objects[GID_SEARCHSTRING], x, y))
{
if((sel = browser_window_get_selection(g->bw)))
{
utf8text = ami_utf8_easy(sel);
RefreshSetGadgetAttrs((struct Gadget *)gwin->objects[GID_SEARCHSTRING],
gwin->win, NULL, STRINGA_TextVal, utf8text, TAG_DONE);
free(sel);
ami_utf8_free(utf8text);
}
}
else
{
DisplayBeep(scrn);
}
}
}
bool ami_easy_clipboard(char *text)
{
gui_set_clipboard(text, strlen(text), NULL, 0);
return true;
}
bool ami_easy_clipboard_bitmap(struct bitmap *bitmap)
{
Object *dto = NULL;
if((dto = ami_datatype_object_from_bitmap(bitmap)))
{
DoDTMethod(dto,NULL,NULL,DTM_COPY,NULL);
DisposeDTObject(dto);
}
return true;
}
#ifdef WITH_NS_SVG
bool ami_easy_clipboard_svg(struct hlcache_handle *c)
{
const char *source_data;
ULONG source_size;
if(ami_mime_compare(c, "svg") == false) return false;
if((source_data = content_get_source_data(c, &source_size)) == NULL) return false;
if(!(OpenIFF(iffh,IFFF_WRITE)))
{
ami_svg_to_dr2d(iffh, source_data, source_size, nsurl_access(hlcache_handle_get_url(c)));
CloseIFF(iffh);
}
return true;
}
#endif
static struct gui_clipboard_table clipboard_table = {
.get = gui_get_clipboard,
.set = gui_set_clipboard,
};
struct gui_clipboard_table *amiga_clipboard_table = &clipboard_table;
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