forked from enlightenment/efl
Brett Nash
parent
99ff1921a9
commit
53e4e63b3c
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@ -0,0 +1,315 @@
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#include <stdbool.h>
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#include <stdio.h> // debug
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#include <X11/X.h>
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#include <X11/Xatom.h>
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#include <Elementary.h>
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#include <Ecore_X.h>
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#include "elm_priv.h"
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/* this should be #ifdef 12year old compiler */
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#ifdef ELM_WIN32
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# define ARRAYINIT(foo)
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#else
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# define ARRAYINIT(foo) [foo]=
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#endif
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enum {
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CNP_ATOM_TARGETS = 0,
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CNP_ATOM_XEDJE,
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CNP_ATOM_text_html_utf8,
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CNP_ATOM_text_html,
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CNP_ATOM_UTF8STRING,
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CNP_ATOM_STRING,
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CNP_ATOM_TEXT,
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CNP_ATOM_text_plain_utf8,
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CNP_ATOM_text_plain,
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CNP_N_ATOMS,
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};
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struct _elm_cnp_selection {
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const char *debug;
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Evas_Object *widget;
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enum _elm_sel_format format;
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char *selbuf;
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unsigned int active : 1;
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Ecore_X_Selection ecore_sel;
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int (*set)(Ecore_X_Window, const void *data, int size);
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int (*clear)(void);
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};
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static const struct escapes {
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const char *escape;
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const char value;
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} escapes[] = {
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{ "gt;", '>' },
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{ "lt;", '<' },
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{ "amp;",'&' },
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{ "quot;",'\'' },
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{ "dquot;", '"' },
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};
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#define N_ESCAPES ((int)(sizeof(escapes)/sizeof(escapes[0])))
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typedef int (*converter_fn)(char *target, void *data, int size, void **data_ret, int *size_ret, Ecore_X_Atom *ttype, int *typesize);
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static Eina_Bool _elm_cnp_init(void);
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static int selection_clear(void *udata __UNUSED__, int type, void *event);
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static char *remove_tags(const char *p, int *len);
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static int targets_converter(char *target, void *data, int size, void **data_ret, int *size_ret, Ecore_X_Atom *ttype, int *typesize);
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static int text_converter(char *target, void *data, int size, void **data_ret, int *size_ret, Ecore_X_Atom *ttype, int *typesize);
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static int html_converter(char *target, void *data, int size, void **data_ret, int *size_ret, Ecore_X_Atom *ttype, int *typesize);
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static int edje_converter(char *target, void *data, int size, void **data_ret, int *size_ret, Ecore_X_Atom *ttype, int *typesize);
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static struct {
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const char *name;
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enum _elm_sel_format formats;
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converter_fn converter;
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Ecore_X_Atom atom;
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} atoms[CNP_N_ATOMS] = {
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ARRAYINIT(CNP_ATOM_TARGETS) { "TARGETS",
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(enum _elm_sel_format)-1, targets_converter, 0 },
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ARRAYINIT(CNP_ATOM_XEDJE) { "application/x-edje-string",
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ELM_SEL_MARKUP, edje_converter, 0},
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ARRAYINIT(CNP_ATOM_text_html_utf8) { "text/html;charset=utf-8",
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ELM_SEL_MARKUP, html_converter, 0 },
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ARRAYINIT(CNP_ATOM_text_html) { "text/html",
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ELM_SEL_MARKUP, html_converter, 0 },
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ARRAYINIT(CNP_ATOM_UTF8STRING) { "UTF8_STRING",
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ELM_SEL_MARKUP, text_converter, 0 },
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ARRAYINIT(CNP_ATOM_STRING) { "STRING",
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ELM_SEL_MARKUP, text_converter, 0 },
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ARRAYINIT(CNP_ATOM_TEXT) { "TEXT",
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ELM_SEL_MARKUP, text_converter, 0 },
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ARRAYINIT(CNP_ATOM_text_plain_utf8) { "text/plain;charset=ut-8",
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ELM_SEL_MARKUP, text_converter, 0 },
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ARRAYINIT(CNP_ATOM_text_plain) { "text/plain",
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ELM_SEL_MARKUP, text_converter, 0 },
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};
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static struct _elm_cnp_selection selections[ELM_SEL_MAX] = {
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ARRAYINIT(ELM_SEL_PRIMARY) {
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.debug = "Primary",
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.ecore_sel = ECORE_X_SELECTION_PRIMARY,
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.set = ecore_x_selection_primary_set,
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.clear = ecore_x_selection_primary_clear
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},
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ARRAYINIT(ELM_SEL_SECONDARY) {
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.debug = "Secondary: AKA WTF",
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.ecore_sel = ECORE_X_SELECTION_SECONDARY,
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.set = ecore_x_selection_secondary_set,
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.clear = ecore_x_selection_secondary_clear
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},
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ARRAYINIT(ELM_SEL_CLIPBOARD) {
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.debug = "Clipboard",
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.ecore_sel = ECORE_X_SELECTION_CLIPBOARD,
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.set = ecore_x_selection_clipboard_set,
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.clear = ecore_x_selection_clipboard_clear
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}
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};
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static int _elm_cnp_init_count = 0;
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Eina_Bool
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elm_selection_set(enum _elm_sel_type selection, Evas_Object *widget,
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enum _elm_sel_format format, const char *selbuf){
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struct _elm_cnp_selection *sel;
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if ((unsigned int)selection >= (unsigned int)ELM_SEL_MAX) return false;
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if (!_elm_cnp_init_count) _elm_cnp_init();
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if (!selbuf) return elm_selection_clear(selection, widget);
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sel = selections + selection;
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sel->active = 1;
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sel->widget = widget;
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sel->set(elm_win_xwindow_get(elm_widget_top_get(widget)),
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&selection, sizeof(void *));
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sel->format = format;
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sel->selbuf = strdup(selbuf);
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return true;
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}
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Eina_Bool
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elm_selection_clear(enum _elm_sel_type selection, Evas_Object *widget){
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struct _elm_cnp_selection *sel;
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if ((unsigned int)selection >= (unsigned int)ELM_SEL_MAX) return false;
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if (!_elm_cnp_init_count) _elm_cnp_init();
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sel = selections + selection;
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/* No longer this selection: Consider it gone! */
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if (!sel->active || sel->widget != widget) return true;
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sel->active = 0;
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sel->widget = NULL;
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sel->clear();
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return true;
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}
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static Eina_Bool
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_elm_cnp_init(void){
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int i;
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if (_elm_cnp_init_count ++) return true;
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/* FIXME: Handle XCB */
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for (i = 0 ; i < CNP_N_ATOMS ; i ++)
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{
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atoms[i].atom = ecore_x_atom_get(atoms[i].name);
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ecore_x_selection_converter_atom_add(atoms[i].atom,
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atoms[i].converter);
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}
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ecore_event_handler_add(ECORE_X_EVENT_SELECTION_CLEAR, selection_clear, NULL);
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return true;
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}
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static int
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selection_clear(void *udata __UNUSED__, int type, void *event){
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Ecore_X_Event_Selection_Clear *ev = event;
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struct _elm_cnp_selection *sel;
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int i;
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for (i = 0 ; i < ELM_SEL_MAX ; i ++)
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{
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if (selections[i].ecore_sel == ev->selection) break;
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}
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/* Not me... Don't care */
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if (i == ELM_SEL_MAX) return true;
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sel = selections + i;
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sel->active = 0;
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sel->widget = NULL;
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sel->selbuf = NULL;
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return true;
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}
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static int
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targets_converter(char *target, void *data, int size,
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void **data_ret, int *size_ret,
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Ecore_X_Atom *ttype, int *typesize){
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int i,count;
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Ecore_X_Atom *aret;
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struct _elm_cnp_selection *sel;
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if (!data_ret) return -1;
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sel = selections + *(int*)data;
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for (i = 0, count = 0 ; i < CNP_N_ATOMS ; i ++)
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if (sel->format & atoms[i].formats)
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count ++;
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aret = malloc(sizeof(Ecore_X_Atom) * count);
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for (i = 0, count = 0 ; i < CNP_N_ATOMS ; i ++)
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if (sel->format && atoms[i].formats)
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aret[count ++] = atoms[i].atom;
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if (data_ret) *data_ret = aret;
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if (typesize) *typesize = 32 /* urk */;
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if (ttype) *ttype = XA_ATOM;
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if (size_ret) *size_ret = count;
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return 1;
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}
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static int
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text_converter(char *target, void *data, int size,
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void **data_ret, int *size_ret,
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Ecore_X_Atom *ttype, int *typesize){
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struct _elm_cnp_selection *sel;
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sel = selections + *(int *)data;
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if (!sel->active)
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{
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return 1;
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}
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*data_ret = remove_tags(sel->selbuf, size_ret);
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return 1;
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}
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static int
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edje_converter(char *target, void *data, int size, void **data_ret,
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int *size_ret, Ecore_X_Atom *ttype, int *typesize){
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struct _elm_cnp_selection *sel;
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sel = selections + *(int *)data;
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if (data_ret) *data_ret = strdup(sel->selbuf);
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if (size_ret) *size_ret = strlen(sel->selbuf);
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return 1;
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}
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static int
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html_converter(char *target, void *data, int size, void **data_ret, int *size_ret, Ecore_X_Atom *ttype, int *typesize){
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struct _elm_cnp_selection *sel;
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sel = selections + *(int *)data;
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if (data_ret) *data_ret = strdup(sel->selbuf);
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if (size_ret) *size_ret = strlen(sel->selbuf);
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return 1;
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}
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/* FIXME: Doesn't handle '<foo str='>'>' */
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static char *
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remove_tags(const char *p, int *len){
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char *q,*ret;
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int i;
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if (!p) return NULL;
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q = malloc(strlen(p));
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if (!q) return NULL;
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ret = q;
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while (*p)
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{
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if (*p != '<' && *p != '&'){
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*q ++ = *p ++;
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} else if (*p == '<') {
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if (p[1] == 'b' && p[2] == 'r' &&
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(p[3] == ' ' || p[3] == '/' || p[3] == '>'))
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*q++ = '\n';
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while (*p && *p != '>') p ++;
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p ++;
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} else if (*p == '&') {
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p ++;
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for (i = 0 ; i < N_ESCAPES ; i ++){
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if (strncmp(p,escapes[i].escape, strlen(escapes[i].escape))){
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p += strlen(escapes[i].escape);
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*q = escapes[i].value;
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q ++;
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}
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}
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if (i == N_ESCAPES)
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*q ++ = '&';
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}
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}
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*q = 0;
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if (len) *len = q - ret;
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return ret;
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}
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/* vim: set ts=8 sw=3 sts=8 noexpandtab cino=>5n-3f0^-2{2 : */
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