774 lines
19 KiB
C
774 lines
19 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include "ecore_private.h"
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#include "Ecore.h"
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#include "ecore_x_private.h"
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#include "Ecore_X.h"
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#include "Ecore_X_Atoms.h"
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static Ecore_X_Selection_Intern selections[4];
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static Ecore_X_Selection_Converter *converters = NULL;
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static Ecore_X_Selection_Parser *parsers = NULL;
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static int _ecore_x_selection_converter_text(char *target, void *data, int size, void **data_ret, int *size_ret);
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static int _ecore_x_selection_data_default_free(void *data);
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static void *_ecore_x_selection_parser_files(const char *target, unsigned char *data, int size);
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static int _ecore_x_selection_data_files_free(void *data);
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static void *_ecore_x_selection_parser_text(const char *target, unsigned char *data, int size);
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static int _ecore_x_selection_data_text_free(void *data);
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static void *_ecore_x_selection_parser_targets(const char *target, unsigned char *data, int size);
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static int _ecore_x_selection_data_targets_free(void *data);
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#define ECORE_X_SELECTION_DATA(x) ((Ecore_X_Selection_Data *)(x))
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void
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_ecore_x_selection_data_init(void)
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{
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/* Initialize global data */
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memset(selections, 0, sizeof(selections));
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/* Initialize converters */
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ecore_x_selection_converter_atom_add(ECORE_X_ATOM_TEXT,
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_ecore_x_selection_converter_text);
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#ifdef X_HAVE_UTF8_STRING
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ecore_x_selection_converter_atom_add(ECORE_X_ATOM_UTF8_STRING,
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_ecore_x_selection_converter_text);
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#endif
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ecore_x_selection_converter_atom_add(ECORE_X_ATOM_COMPOUND_TEXT,
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_ecore_x_selection_converter_text);
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ecore_x_selection_converter_atom_add(ECORE_X_ATOM_STRING,
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_ecore_x_selection_converter_text);
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/* Initialize parsers */
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ecore_x_selection_parser_add("text/plain",
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_ecore_x_selection_parser_text);
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ecore_x_selection_parser_add(ECORE_X_SELECTION_TARGET_UTF8_STRING,
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_ecore_x_selection_parser_text);
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ecore_x_selection_parser_add("text/uri-list",
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_ecore_x_selection_parser_files);
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ecore_x_selection_parser_add("_NETSCAPE_URL",
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_ecore_x_selection_parser_files);
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ecore_x_selection_parser_add(ECORE_X_SELECTION_TARGET_TARGETS,
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_ecore_x_selection_parser_targets);
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}
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void
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_ecore_x_selection_shutdown(void)
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{
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Ecore_X_Selection_Converter *cnv;
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Ecore_X_Selection_Parser *prs;
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/* free the selection converters */
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cnv = converters;
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while (cnv)
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{
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Ecore_X_Selection_Converter *tmp;
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tmp = cnv->next;
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free(cnv);
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cnv = tmp;
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}
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converters = NULL;
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/* free the selection parsers */
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prs = parsers;
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while (prs)
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{
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Ecore_X_Selection_Parser *tmp;
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tmp = prs;
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prs = prs->next;
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free(tmp->target);
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free(tmp);
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}
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parsers = NULL;
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}
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Ecore_X_Selection_Intern *
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_ecore_x_selection_get(Ecore_X_Atom selection)
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{
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if (selection == ECORE_X_ATOM_SELECTION_PRIMARY)
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return &selections[0];
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else if (selection == ECORE_X_ATOM_SELECTION_SECONDARY)
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return &selections[1];
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else if (selection == ECORE_X_ATOM_SELECTION_XDND)
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return &selections[2];
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else if (selection == ECORE_X_ATOM_SELECTION_CLIPBOARD)
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return &selections[3];
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else
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return NULL;
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}
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int
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_ecore_x_selection_set(Window w, unsigned char *data, int size, Ecore_X_Atom selection)
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{
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int in;
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unsigned char *buf = NULL;
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XSetSelectionOwner(_ecore_x_disp, selection, w, _ecore_x_event_last_time);
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if (XGetSelectionOwner(_ecore_x_disp, selection) != w)
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return 0;
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if (selection == ECORE_X_ATOM_SELECTION_PRIMARY)
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in = 0;
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else if (selection == ECORE_X_ATOM_SELECTION_SECONDARY)
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in = 1;
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else if (selection == ECORE_X_ATOM_SELECTION_XDND)
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in = 2;
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else if (selection == ECORE_X_ATOM_SELECTION_CLIPBOARD)
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in = 3;
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else
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return 0;
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if (data)
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{
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selections[in].win = w;
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selections[in].selection = selection;
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selections[in].length = size;
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selections[in].time = _ecore_x_event_last_time;
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buf = malloc(size);
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memcpy(buf, data, size);
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selections[in].data = buf;
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}
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else
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{
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if (selections[in].data)
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{
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free(selections[in].data);
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memset(&selections[in], 0, sizeof(Ecore_X_Selection_Data));
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}
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}
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return 1;
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}
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/**
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* Claim ownership of the PRIMARY selection and set its data.
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* @param w The window to which this selection belongs
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* @param data The data associated with the selection
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* @param size The size of the data buffer in bytes
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* @return Returns 1 if the ownership of the selection was successfully
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* claimed, or 0 if unsuccessful.
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*/
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int
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ecore_x_selection_primary_set(Ecore_X_Window w, unsigned char *data, int size)
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{
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return _ecore_x_selection_set(w, data, size, ECORE_X_ATOM_SELECTION_PRIMARY);
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}
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/**
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* Release ownership of the primary selection
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* @return Returns 1 if the selection was successfully cleared,
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* or 0 if unsuccessful.
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*
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*/
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int
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ecore_x_selection_primary_clear(void)
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{
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return _ecore_x_selection_set(None, NULL, 0, ECORE_X_ATOM_SELECTION_PRIMARY);
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}
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/**
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* Claim ownership of the SECONDARY selection and set its data.
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* @param w The window to which this selection belongs
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* @param data The data associated with the selection
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* @param size The size of the data buffer in bytes
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* @return Returns 1 if the ownership of the selection was successfully
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* claimed, or 0 if unsuccessful.
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*/
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int
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ecore_x_selection_secondary_set(Ecore_X_Window w, unsigned char *data, int size)
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{
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return _ecore_x_selection_set(w, data, size, ECORE_X_ATOM_SELECTION_SECONDARY);
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}
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/**
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* Release ownership of the secondary selection
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* @return Returns 1 if the selection was successfully cleared,
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* or 0 if unsuccessful.
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*
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*/
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int
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ecore_x_selection_secondary_clear(void)
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{
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return _ecore_x_selection_set(None, NULL, 0, ECORE_X_ATOM_SELECTION_SECONDARY);
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}
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/**
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* Claim ownership of the XDND selection and set its data.
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* @param w The window to which this selection belongs
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* @param data The data associated with the selection
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* @param size The size of the data buffer in bytes
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* @return Returns 1 if the ownership of the selection was successfully
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* claimed, or 0 if unsuccessful.
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*/
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int
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ecore_x_selection_xdnd_set(Ecore_X_Window w, unsigned char *data, int size)
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{
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return _ecore_x_selection_set(w, data, size, ECORE_X_ATOM_SELECTION_XDND);
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}
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/**
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* Release ownership of the XDND selection
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* @return Returns 1 if the selection was successfully cleared,
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* or 0 if unsuccessful.
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*
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*/
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int
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ecore_x_selection_xdnd_clear(void)
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{
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return _ecore_x_selection_set(None, NULL, 0, ECORE_X_ATOM_SELECTION_XDND);
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}
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/**
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* Claim ownership of the CLIPBOARD selection and set its data.
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* @param w The window to which this selection belongs
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* @param data The data associated with the selection
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* @param size The size of the data buffer in bytes
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* @return Returns 1 if the ownership of the selection was successfully
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* claimed, or 0 if unsuccessful.
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*
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* Get the converted data from a previous CLIPBOARD selection
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* request. The buffer must be freed when done with.
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*/
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int
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ecore_x_selection_clipboard_set(Ecore_X_Window w, unsigned char *data, int size)
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{
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return _ecore_x_selection_set(w, data, size, ECORE_X_ATOM_SELECTION_CLIPBOARD);
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}
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/**
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* Release ownership of the clipboard selection
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* @return Returns 1 if the selection was successfully cleared,
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* or 0 if unsuccessful.
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*
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*/
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int
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ecore_x_selection_clipboard_clear(void)
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{
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return _ecore_x_selection_set(None, NULL, 0, ECORE_X_ATOM_SELECTION_CLIPBOARD);
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}
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Ecore_X_Atom
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_ecore_x_selection_target_atom_get(const char *target)
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{
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Ecore_X_Atom x_target;
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if (!strcmp(target, ECORE_X_SELECTION_TARGET_TEXT))
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x_target = ECORE_X_ATOM_TEXT;
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else if (!strcmp(target, ECORE_X_SELECTION_TARGET_COMPOUND_TEXT))
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x_target = ECORE_X_ATOM_COMPOUND_TEXT;
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else if (!strcmp(target, ECORE_X_SELECTION_TARGET_STRING))
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x_target = ECORE_X_ATOM_STRING;
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else if (!strcmp(target, ECORE_X_SELECTION_TARGET_UTF8_STRING))
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x_target = ECORE_X_ATOM_UTF8_STRING;
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else if (!strcmp(target, ECORE_X_SELECTION_TARGET_FILENAME))
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x_target = ECORE_X_ATOM_FILE_NAME;
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else
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{
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x_target = ecore_x_atom_get(target);
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}
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return x_target;
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}
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char *
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_ecore_x_selection_target_get(Ecore_X_Atom target)
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{
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if (target == ECORE_X_ATOM_FILE_NAME)
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return strdup(ECORE_X_SELECTION_TARGET_FILENAME);
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else if (target == ECORE_X_ATOM_STRING)
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return strdup(ECORE_X_SELECTION_TARGET_STRING);
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else if (target == ECORE_X_ATOM_UTF8_STRING)
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return strdup(ECORE_X_SELECTION_TARGET_UTF8_STRING);
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else if (target == ECORE_X_ATOM_TEXT)
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return strdup(ECORE_X_SELECTION_TARGET_TEXT);
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else
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return XGetAtomName(_ecore_x_disp, target);
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}
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static void
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_ecore_x_selection_request(Ecore_X_Window w, Ecore_X_Atom selection, char *target_str)
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{
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Ecore_X_Atom target, prop;
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target = _ecore_x_selection_target_atom_get(target_str);
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if (selection == ECORE_X_ATOM_SELECTION_PRIMARY)
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prop = ECORE_X_ATOM_SELECTION_PROP_PRIMARY;
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else if (selection == ECORE_X_ATOM_SELECTION_SECONDARY)
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prop = ECORE_X_ATOM_SELECTION_PROP_SECONDARY;
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else if (selection == ECORE_X_ATOM_SELECTION_CLIPBOARD)
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prop = ECORE_X_ATOM_SELECTION_PROP_CLIPBOARD;
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else
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return;
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XConvertSelection(_ecore_x_disp, selection, target, prop,
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w, CurrentTime);
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}
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void
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ecore_x_selection_primary_request(Ecore_X_Window w, char *target)
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{
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_ecore_x_selection_request(w, ECORE_X_ATOM_SELECTION_PRIMARY, target);
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}
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void
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ecore_x_selection_secondary_request(Ecore_X_Window w, char *target)
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{
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_ecore_x_selection_request(w, ECORE_X_ATOM_SELECTION_SECONDARY, target);
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}
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void
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ecore_x_selection_xdnd_request(Ecore_X_Window w, char *target)
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{
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Ecore_X_Atom atom;
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Ecore_X_DND_Target *_target;
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_target = _ecore_x_dnd_target_get();
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atom = _ecore_x_selection_target_atom_get(target);
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XConvertSelection(_ecore_x_disp, ECORE_X_ATOM_SELECTION_XDND, atom,
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ECORE_X_ATOM_SELECTION_PROP_XDND, w,
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_target->time);
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}
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void
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ecore_x_selection_clipboard_request(Ecore_X_Window w, char *target)
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{
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_ecore_x_selection_request(w, ECORE_X_ATOM_SELECTION_CLIPBOARD, target);
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}
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void
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ecore_x_selection_converter_atom_add(Ecore_X_Atom target,
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int (*func)(char *target, void *data, int size, void **data_ret, int *size_ret))
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{
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Ecore_X_Selection_Converter *cnv;
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cnv = converters;
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if (converters)
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{
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while (1)
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{
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if (cnv->target == target)
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{
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cnv->convert = func;
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return;
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}
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if (cnv->next)
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cnv = cnv->next;
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else
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break;
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}
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cnv->next = calloc(1, sizeof(Ecore_X_Selection_Converter));
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cnv = cnv->next;
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}
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else
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{
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converters = calloc(1, sizeof(Ecore_X_Selection_Converter));
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cnv = converters;
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}
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cnv->target = target;
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cnv->convert = func;
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}
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void
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ecore_x_selection_converter_add(char *target,
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int (*func)(char *target, void *data, int size, void **data_ret, int *size_ret))
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{
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Ecore_X_Atom x_target;
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if (!func || !target)
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return;
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x_target = _ecore_x_selection_target_atom_get(target);
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ecore_x_selection_converter_atom_add(x_target, func);
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}
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void
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ecore_x_selection_converter_atom_del(Ecore_X_Atom target)
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{
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Ecore_X_Selection_Converter *cnv, *prev_cnv;
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prev_cnv = NULL;
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cnv = converters;
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while (cnv)
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{
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if (cnv->target == target)
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{
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if (prev_cnv)
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prev_cnv->next = cnv->next;
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else
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converters = cnv->next; /* This was the first converter */
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free(cnv);
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return;
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}
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prev_cnv = cnv;
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cnv = cnv->next;
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}
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}
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void
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ecore_x_selection_converter_del(char *target)
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{
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Ecore_X_Atom x_target;
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if (!target)
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return;
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x_target = _ecore_x_selection_target_atom_get(target);
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ecore_x_selection_converter_atom_del(x_target);
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}
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/* Locate and run conversion callback for specified selection target */
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int
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_ecore_x_selection_convert(Ecore_X_Atom selection, Ecore_X_Atom target, void **data_ret)
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{
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Ecore_X_Selection_Intern *sel;
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Ecore_X_Selection_Converter *cnv;
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void *data;
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int size;
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char *tgt_str;
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sel = _ecore_x_selection_get(selection);
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tgt_str = _ecore_x_selection_target_get(target);
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for (cnv = converters; cnv; cnv = cnv->next)
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{
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if (cnv->target == target)
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{
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int r;
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r = cnv->convert(tgt_str, sel->data, sel->length, &data, &size);
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free(tgt_str);
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if (r)
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{
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*data_ret = data;
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return r;
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}
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else
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return 0;
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}
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}
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/* Default, just return the data */
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*data_ret = malloc(sel->length);
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memcpy(*data_ret, sel->data, sel->length);
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free(tgt_str);
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return 1;
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}
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/* TODO: We need to work out a mechanism for automatic conversion to any requested
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* locale using Ecore_Txt functions */
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/* Converter for standard non-utf8 text targets */
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static int
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_ecore_x_selection_converter_text(char *target, void *data, int size, void **data_ret, int *size_ret)
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{
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XTextProperty text_prop;
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char *mystr;
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XICCEncodingStyle style;
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if (!data || !size)
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return 0;
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if (!strcmp(target, ECORE_X_SELECTION_TARGET_TEXT))
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style = XTextStyle;
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else if (!strcmp(target, ECORE_X_SELECTION_TARGET_COMPOUND_TEXT))
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style = XCompoundTextStyle;
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else if (!strcmp(target, ECORE_X_SELECTION_TARGET_STRING))
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style = XStringStyle;
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#ifdef X_HAVE_UTF8_STRING
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else if (!strcmp(target, ECORE_X_SELECTION_TARGET_UTF8_STRING))
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style = XUTF8StringStyle;
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#endif
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else
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return 0;
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if (!(mystr = strdup(data)))
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return 0;
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#ifdef X_HAVE_UTF8_STRING
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if (Xutf8TextListToTextProperty(_ecore_x_disp, &mystr, 1, style, &text_prop) == Success)
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{
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int bufsize = strlen(text_prop.value) + 1;
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*data_ret = malloc(bufsize);
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memcpy(*data_ret, text_prop.value, bufsize);
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*size_ret = bufsize;
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XFree(text_prop.value);
|
|
free(mystr);
|
|
return 1;
|
|
}
|
|
#else
|
|
if (XmbTextListToTextProperty(_ecore_x_disp, &mystr, 1, style, &text_prop) == Success)
|
|
{
|
|
int bufsize = strlen(text_prop.value) + 1;
|
|
*data_ret = malloc(bufsize);
|
|
memcpy(*data_ret, text_prop.value, bufsize);
|
|
*size_ret = bufsize;
|
|
XFree(text_prop.value);
|
|
free(mystr);
|
|
return 1;
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
free(mystr);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
ecore_x_selection_parser_add(const char *target,
|
|
void *(*func)(const char *target, unsigned char *data, int size))
|
|
{
|
|
Ecore_X_Selection_Parser *prs;
|
|
|
|
if (!target)
|
|
return;
|
|
|
|
prs = parsers;
|
|
if (parsers)
|
|
{
|
|
while (prs->next)
|
|
{
|
|
if (!strcmp(prs->target, target))
|
|
{
|
|
prs->parse = func;
|
|
return;
|
|
}
|
|
prs = prs->next;
|
|
}
|
|
|
|
prs->next = calloc(1, sizeof(Ecore_X_Selection_Parser));
|
|
prs = prs->next;
|
|
}
|
|
else
|
|
{
|
|
parsers = calloc(1, sizeof(Ecore_X_Selection_Parser));
|
|
prs = parsers;
|
|
}
|
|
prs->target = strdup(target);
|
|
prs->parse = func;
|
|
}
|
|
|
|
void
|
|
ecore_x_selection_parser_del(const char *target)
|
|
{
|
|
Ecore_X_Selection_Parser *prs, *prev_prs;
|
|
|
|
if (!target)
|
|
return;
|
|
|
|
prev_prs = NULL;
|
|
prs = parsers;
|
|
|
|
while (prs)
|
|
{
|
|
if (!strcmp(prs->target, target))
|
|
{
|
|
if (prev_prs)
|
|
prev_prs->next = prs->next;
|
|
else
|
|
parsers = prs->next; /* This was the first parser */
|
|
free(prs->target);
|
|
free(prs);
|
|
|
|
return;
|
|
}
|
|
prev_prs = prs;
|
|
prs = prs->next;
|
|
}
|
|
}
|
|
|
|
/* Locate and run conversion callback for specified selection target */
|
|
void *
|
|
_ecore_x_selection_parse(const char *target, unsigned char *data, int size)
|
|
{
|
|
Ecore_X_Selection_Parser *prs;
|
|
Ecore_X_Selection_Data *sel;
|
|
|
|
for (prs = parsers; prs; prs = prs->next)
|
|
{
|
|
if (!strcmp(prs->target, target))
|
|
{
|
|
sel = prs->parse(target, data, size);
|
|
return sel;
|
|
}
|
|
}
|
|
|
|
/* Default, just return the data */
|
|
sel = calloc(1, sizeof(Ecore_X_Selection_Data));
|
|
sel->free = _ecore_x_selection_data_default_free;
|
|
sel->length = size;
|
|
sel->data = data;
|
|
return sel;
|
|
}
|
|
|
|
static int
|
|
_ecore_x_selection_data_default_free(void *data)
|
|
{
|
|
Ecore_X_Selection_Data *sel;
|
|
|
|
sel = data;
|
|
free(sel->data);
|
|
free(sel);
|
|
return 1;
|
|
}
|
|
|
|
static void *
|
|
_ecore_x_selection_parser_files(const char *target, unsigned char *data, int size)
|
|
{
|
|
Ecore_X_Selection_Data_Files *sel;
|
|
int i, is;
|
|
char *tmp;
|
|
|
|
if (strcmp(target, "text/uri-list")
|
|
&& strcmp(target, "_NETSCAPE_URL"))
|
|
return NULL;
|
|
|
|
sel = calloc(1, sizeof(Ecore_X_Selection_Data_Files));
|
|
ECORE_X_SELECTION_DATA(sel)->free = _ecore_x_selection_data_files_free;
|
|
|
|
if (data[size - 1])
|
|
{
|
|
/* Isn't nul terminated */
|
|
printf("BUG: isn't nul terminated!\n");
|
|
size++;
|
|
data = realloc(data, size);
|
|
data[size - 1] = 0;
|
|
}
|
|
|
|
tmp = malloc(size);
|
|
i = 0;
|
|
is = 0;
|
|
while ((is < size) && (data[is]))
|
|
{
|
|
if ((i == 0) && (data[is] == '#'))
|
|
{
|
|
for (; ((data[is]) && (data[is] != '\n')); is++);
|
|
}
|
|
else
|
|
{
|
|
if ((data[is] != '\r')
|
|
&& (data[is] != '\n'))
|
|
{
|
|
tmp[i++] = data[is++];
|
|
}
|
|
else
|
|
{
|
|
while ((data[is] == '\r')
|
|
|| (data[is] == '\n'))
|
|
is++;
|
|
tmp[i] = 0;
|
|
sel->num_files++;
|
|
sel->files = realloc(sel->files, sel->num_files * sizeof(char *));
|
|
sel->files[sel->num_files - 1] = strdup(tmp);
|
|
tmp[0] = 0;
|
|
i = 0;
|
|
}
|
|
}
|
|
}
|
|
if (i > 0)
|
|
{
|
|
tmp[i] = 0;
|
|
sel->num_files++;
|
|
sel->files = realloc(sel->files, sel->num_files * sizeof(char *));
|
|
sel->files[sel->num_files - 1] = strdup(tmp);
|
|
}
|
|
free(tmp);
|
|
free(data);
|
|
|
|
return ECORE_X_SELECTION_DATA(sel);
|
|
}
|
|
|
|
static int
|
|
_ecore_x_selection_data_files_free(void *data)
|
|
{
|
|
Ecore_X_Selection_Data_Files *sel;
|
|
int i;
|
|
|
|
sel = data;
|
|
if (sel->files)
|
|
{
|
|
for (i = 0; i < sel->num_files; i++)
|
|
free(sel->files[i]);
|
|
free(sel->files);
|
|
}
|
|
free(sel);
|
|
return 0;
|
|
}
|
|
|
|
static void *
|
|
_ecore_x_selection_parser_text(const char *target __UNUSED__, unsigned char *data, int size)
|
|
{
|
|
Ecore_X_Selection_Data_Text *sel;
|
|
|
|
sel = calloc(1, sizeof(Ecore_X_Selection_Data_Text));
|
|
|
|
if (data[size - 1])
|
|
{
|
|
/* Isn't nul terminated */
|
|
printf("BUG: isn't nul terminated!\n");
|
|
size++;
|
|
data = realloc(data, size);
|
|
data[size - 1] = 0;
|
|
}
|
|
|
|
sel->text = data;
|
|
ECORE_X_SELECTION_DATA(sel)->free = _ecore_x_selection_data_text_free;
|
|
return sel;
|
|
}
|
|
|
|
static int
|
|
_ecore_x_selection_data_text_free(void *data)
|
|
{
|
|
Ecore_X_Selection_Data_Text *sel;
|
|
|
|
sel = data;
|
|
free(sel->text);
|
|
free(sel);
|
|
return 1;
|
|
}
|
|
|
|
static void *
|
|
_ecore_x_selection_parser_targets(const char *target __UNUSED__, unsigned char *data, int size)
|
|
{
|
|
Ecore_X_Selection_Data_Targets *sel;
|
|
unsigned long *targets;
|
|
int i;
|
|
|
|
sel = calloc(1, sizeof(Ecore_X_Selection_Data_Targets));
|
|
targets = (unsigned long *)data;
|
|
|
|
sel->num_targets = size - 2;
|
|
sel->targets = malloc((size - 2) * sizeof(char *));
|
|
for (i = 2; i < size; i++)
|
|
sel->targets[i - 2] = XGetAtomName(_ecore_x_disp, targets[i]);
|
|
free(data);
|
|
|
|
ECORE_X_SELECTION_DATA(sel)->free = _ecore_x_selection_data_targets_free;
|
|
return sel;
|
|
}
|
|
|
|
static int
|
|
_ecore_x_selection_data_targets_free(void *data)
|
|
{
|
|
Ecore_X_Selection_Data_Targets *sel;
|
|
int i;
|
|
|
|
sel = data;
|
|
|
|
if (sel->targets)
|
|
{
|
|
for (i = 0; i < sel->num_targets; i++)
|
|
XFree(sel->targets[i]);
|
|
free(sel->targets);
|
|
}
|
|
free(sel);
|
|
return 1;
|
|
}
|