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Introduced a new function in every game which formats a game_state

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as text. This is used by front ends to implement copy-to-clipboard.
Currently the function does nothing (and is disabled) in every game
except Solo, but it's a start.

[originally from svn r5724]
This commit is contained in:
Simon Tatham
2005-05-01 12:53:41 +00:00
parent e72931bfe2
commit 791940b043
14 changed files with 279 additions and 34 deletions
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128
gtk.c
View File

@ -14,10 +14,10 @@
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#if GTK_CHECK_VERSION(2,0,0) && !defined HAVE_SENSIBLE_ABSOLUTE_SIZE_FUNCTION
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#endif
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include "puzzles.h"
@ -76,6 +76,8 @@ struct frontend {
config_item *cfg;
int cfg_which, cfgret;
GtkWidget *cfgbox;
char *paste_data;
int paste_data_len;
};
void get_random_seed(void **randseed, int *randseedsize)
@ -804,6 +806,113 @@ static void menu_preset_event(GtkMenuItem *menuitem, gpointer data)
fe->h = y;
}
GdkAtom compound_text_atom, utf8_string_atom;
int paste_initialised = FALSE;
void init_paste()
{
if (paste_initialised)
return;
if (!compound_text_atom)
compound_text_atom = gdk_atom_intern("COMPOUND_TEXT", FALSE);
if (!utf8_string_atom)
utf8_string_atom = gdk_atom_intern("UTF8_STRING", FALSE);
/*
* Ensure that all the cut buffers exist - according to the
* ICCCM, we must do this before we start using cut buffers.
*/
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER0, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER1, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER2, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER3, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER4, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER5, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER6, XA_STRING, 8, PropModeAppend, "", 0);
XChangeProperty(GDK_DISPLAY(), GDK_ROOT_WINDOW(),
XA_CUT_BUFFER7, XA_STRING, 8, PropModeAppend, "", 0);
}
/* Store data in a cut-buffer. */
void store_cutbuffer(char *ptr, int len)
{
/* ICCCM says we must rotate the buffers before storing to buffer 0. */
XRotateBuffers(GDK_DISPLAY(), 1);
XStoreBytes(GDK_DISPLAY(), ptr, len);
}
void write_clip(frontend *fe, char *data)
{
init_paste();
if (fe->paste_data)
sfree(fe->paste_data);
/*
* For this simple application we can safely assume that the
* data passed to this function is pure ASCII, which means we
* can return precisely the same stuff for types STRING,
* COMPOUND_TEXT or UTF8_STRING.
*/
fe->paste_data = data;
fe->paste_data_len = strlen(data);
store_cutbuffer(fe->paste_data, fe->paste_data_len);
if (gtk_selection_owner_set(fe->area, GDK_SELECTION_PRIMARY,
CurrentTime)) {
gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
GDK_SELECTION_TYPE_STRING, 1);
gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
compound_text_atom, 1);
gtk_selection_add_target(fe->area, GDK_SELECTION_PRIMARY,
utf8_string_atom, 1);
}
}
void selection_get(GtkWidget *widget, GtkSelectionData *seldata,
guint info, guint time_stamp, gpointer data)
{
frontend *fe = (frontend *)data;
gtk_selection_data_set(seldata, seldata->target, 8,
fe->paste_data, fe->paste_data_len);
}
gint selection_clear(GtkWidget *widget, GdkEventSelection *seldata,
gpointer data)
{
frontend *fe = (frontend *)data;
if (fe->paste_data)
sfree(fe->paste_data);
fe->paste_data = NULL;
fe->paste_data_len = 0;
return TRUE;
}
static void menu_copy_event(GtkMenuItem *menuitem, gpointer data)
{
frontend *fe = (frontend *)data;
char *text;
text = midend_text_format(fe->me);
if (text) {
write_clip(fe, text);
} else {
gdk_beep();
}
}
static void menu_config_event(GtkMenuItem *menuitem, gpointer data)
{
frontend *fe = (frontend *)data;
@ -933,6 +1042,14 @@ static frontend *new_window(char *game_id, char **error)
add_menu_separator(GTK_CONTAINER(menu));
add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Undo", 'u');
add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Redo", '\x12');
if (thegame.can_format_as_text) {
add_menu_separator(GTK_CONTAINER(menu));
menuitem = gtk_menu_item_new_with_label("Copy");
gtk_container_add(GTK_CONTAINER(menu), menuitem);
gtk_signal_connect(GTK_OBJECT(menuitem), "activate",
GTK_SIGNAL_FUNC(menu_copy_event), fe);
gtk_widget_show(menuitem);
}
add_menu_separator(GTK_CONTAINER(menu));
add_menu_item_with_key(fe, GTK_CONTAINER(menu), "Exit", 'q');
@ -999,6 +1116,9 @@ static frontend *new_window(char *game_id, char **error)
fe->timer_active = FALSE;
fe->paste_data = NULL;
fe->paste_data_len = 0;
gtk_signal_connect(GTK_OBJECT(fe->window), "destroy",
GTK_SIGNAL_FUNC(destroy), fe);
gtk_signal_connect(GTK_OBJECT(fe->window), "key_press_event",
@ -1009,6 +1129,10 @@ static frontend *new_window(char *game_id, char **error)
GTK_SIGNAL_FUNC(button_event), fe);
gtk_signal_connect(GTK_OBJECT(fe->area), "motion_notify_event",
GTK_SIGNAL_FUNC(motion_event), fe);
gtk_signal_connect(GTK_OBJECT(fe->area), "selection_get",
GTK_SIGNAL_FUNC(selection_get), fe);
gtk_signal_connect(GTK_OBJECT(fe->area), "selection_clear_event",
GTK_SIGNAL_FUNC(selection_clear), fe);
gtk_signal_connect(GTK_OBJECT(fe->area), "expose_event",
GTK_SIGNAL_FUNC(expose_area), fe);
gtk_signal_connect(GTK_OBJECT(fe->window), "map_event",