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netsurf/frontends/amiga/clipboard.c

382 lines
9.3 KiB

/*
* 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 <stdlib.h>
#include <string.h>
#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 "utils/nsurl.h"
#include "netsurf/content.h"
#include "netsurf/browser_window.h"
#include "netsurf/plotters.h"
#include "netsurf/keypress.h"
#include "netsurf/window.h"
#include "netsurf/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/gui_menu.h"
#include "amiga/utf8.h"
#define ID_UTF8 MAKE_ID('U','T','F','8')
static 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(!ami_gui_get_window(g)) return;
if(nsoption_bool(kiosk_mode) == true) return;
ami_gui_menu_set_disabled(ami_gui_get_window(g), ami_gui_get_menu(g), M_COPY, false);
ami_gui_menu_set_disabled(ami_gui_get_window(g), ami_gui_get_menu(g), M_CLEAR, false);
if (browser_window_get_editor_flags(ami_gui_get_browser_window(g)) & BW_EDITOR_CAN_CUT)
ami_gui_menu_set_disabled(ami_gui_get_window(g), ami_gui_get_menu(g), M_CUT, false);
}
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 = calloc(1, sizeof(struct CollectionItem));
ci_next = ci_next->ci_Next;
} else {
ci_new = calloc(1, sizeof(struct CollectionItem));
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 = calloc(1, sizeof(struct CollectionItem));
ci_next = ci_next->ci_Next;
} else {
ci_new = calloc(1, sizeof(struct CollectionItem));
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);
free(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;
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;
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)
{
ami_gui_beep();
return;
}
x = ami_gui2_get_window(gwin)->MouseX;
y = ami_gui2_get_window(gwin)->MouseY;
if(ami_text_box_at_point(gwin, (ULONG *)&x, (ULONG *)&y))
{
iffh = ami_clipboard_init_internal(1);
browser_window_key_press(ami_gui_get_browser_window(g), NS_KEY_COPY_SELECTION);
browser_window_mouse_click(ami_gui2_get_browser_window(gwin), BROWSER_MOUSE_PRESS_1, x, y);
browser_window_key_press(ami_gui2_get_browser_window(gwin), NS_KEY_PASTE);
ami_clipboard_free_internal(iffh);
iffh = old_iffh;
}
else
{
x = ami_gui2_get_window(gwin)->MouseX;
y = ami_gui2_get_window(gwin)->MouseY;
if(ami_gadget_hit(ami_gui2_get_object(gwin, AMI_GAD_URL), x, y))
{
if((sel = browser_window_get_selection(ami_gui_get_browser_window(g))))
{
utf8text = ami_utf8_easy(sel);
RefreshSetGadgetAttrs((struct Gadget *)ami_gui2_get_object(gwin, AMI_GAD_URL),
ami_gui2_get_window(gwin), NULL, STRINGA_TextVal, utf8text, TAG_DONE);
free(sel);
ami_utf8_free(utf8text);
}
}
else if(ami_gadget_hit(ami_gui2_get_object(gwin, AMI_GAD_SEARCH), x, y))
{
if((sel = browser_window_get_selection(ami_gui_get_browser_window(g))))
{
utf8text = ami_utf8_easy(sel);
RefreshSetGadgetAttrs((struct Gadget *)ami_gui2_get_object(gwin, AMI_GAD_SEARCH),
ami_gui2_get_window(gwin), NULL, STRINGA_TextVal, utf8text, TAG_DONE);
free(sel);
ami_utf8_free(utf8text);
}
}
else
{
ami_gui_beep();
}
}
}
bool ami_easy_clipboard(const 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 uint8_t *source_data;
size_t source_size;
if (ami_mime_compare(c, "svg") == false) {
return false;
}
source_data = content_get_source_data(c, &source_size);
if (source_data == NULL) {
return false;
}
if (!(OpenIFF(iffh,IFFF_WRITE))) {
ami_svg_to_dr2d(iffh,
(const char *)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;