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Copy pathpreferences.c
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380 lines (339 loc) · 12.8 KB
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/*
This file is part of darktable,
copyright (c) 2012 Jeremy Rosen
darktable 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, either version 3 of the License, or
(at your option) any later version.
darktable 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 darktable. If not, see <http://www.gnu.org/licenses/>.
*/
#include <glib.h>
#include "lua/preferences.h"
#include "lua/dt_lua.h"
#include <stdlib.h>
#include <string.h>
#include "control/conf.h"
static const char *pref_type_name[] = {
"string",
"bool",
"integer",
NULL
};
typedef enum {
pref_string,
pref_bool,
pref_int,
} pref_type;
typedef struct pref_element{
char*script;
char*name;
char* label;
char* tooltip;
pref_type type;
union {
struct {
char *default_value;
} string_data;
struct {
bool default_value;
} bool_data;
struct {
int min;
int max;
int default_value;
} int_data;
} ;
struct pref_element* next;
// ugly hack, written every time the dialog is displayed and unused when not displayed
// value is set when window is created, it is correct when window is destroyed, but is invalid out of that context
GtkWidget * widget;
} pref_element;
static void destroy_pref_element(pref_element*elt) {
free(elt->script);
free(elt->name);
free(elt->label);
free(elt->tooltip);
// don't free the widget field
switch(elt->type) {
case pref_string:
free(elt->string_data.default_value);
break;
case pref_bool:
case pref_int:
default:
break;
}
free(elt);
}
static pref_element* pref_list=NULL;
static void get_pref_name(char *tgt,size_t size,const char*script,const char*name) {
snprintf(tgt,size,"lua/%s/%s",script,name);
}
static int register_pref(lua_State*L){
// to avoid leaks, we need to first get all params (which could raise errors) then alloc and fill the struct
// this is complicated, but needed
pref_element * built_elt = malloc(sizeof(pref_element));
memset(built_elt,0,sizeof(pref_element));
int cur_param =1;
if(!lua_isstring(L,cur_param)) goto error;
built_elt->script = strdup(lua_tostring(L,cur_param));
cur_param++;
if(!lua_isstring(L,cur_param)) goto error;
built_elt->name = strdup(lua_tostring(L,cur_param));
cur_param++;
int i;
const char* type_name = lua_tostring(L,cur_param);
if(!type_name) goto error;
for (i=0; pref_type_name[i]; i++)
if (strcmp(pref_type_name[i], type_name) == 0){
built_elt->type =i;
break;
}
if(!pref_type_name[i]) goto error;
cur_param++;
if(!lua_isstring(L,cur_param)) goto error;
built_elt->label = strdup(lua_tostring(L,cur_param));
cur_param++;
if(!lua_isstring(L,cur_param)) goto error;
built_elt->tooltip = strdup(lua_tostring(L,cur_param));
cur_param++;
char pref_name[1024];
get_pref_name(pref_name,1024,built_elt->script,built_elt->name);
switch(built_elt->type) {
case pref_string:
if(!lua_isstring(L,cur_param)) goto error;
built_elt->string_data.default_value = strdup(lua_tostring(L,cur_param));
cur_param++;
if(!dt_conf_key_exists(pref_name)) dt_conf_set_string(pref_name,built_elt->string_data.default_value);
break;
case pref_bool:
if(!lua_isboolean(L,cur_param)) goto error;
built_elt->bool_data.default_value = lua_toboolean(L,cur_param);
cur_param++;
if(!dt_conf_key_exists(pref_name)) dt_conf_set_bool(pref_name,built_elt->bool_data.default_value);
break;
case pref_int:
if(!lua_isnumber(L,cur_param)) goto error;
built_elt->int_data.default_value = lua_tointeger(L,cur_param);
cur_param++;
if(!lua_isnumber(L,cur_param)) goto error;
built_elt->int_data.min = lua_tointeger(L,cur_param);
cur_param++;
if(!lua_isnumber(L,cur_param)) goto error;
built_elt->int_data.max = lua_tointeger(L,cur_param);
cur_param++;
if(!dt_conf_key_exists(pref_name)) dt_conf_set_int(pref_name,built_elt->int_data.default_value);
break;
}
built_elt->next = pref_list;
pref_list = built_elt;
return 0;
error:
destroy_pref_element(built_elt);
return luaL_argerror(L,cur_param,NULL);
}
static int read_pref(lua_State*L){
const char *script = luaL_checkstring(L,1);
const char *name = luaL_checkstring(L,2);
const char* type_name = luaL_checkstring(L,3);
int i;
for (i=0; pref_type_name[i]; i++)
if (strcmp(pref_type_name[i], type_name) == 0){
break;
}
if(!pref_type_name[i]) luaL_argerror(L,3,NULL);
char pref_name[1024];
get_pref_name(pref_name,1024,script,name);
switch(i) {
case pref_string:
lua_pushstring(L,dt_conf_get_string(pref_name));
break;
case pref_bool:
lua_pushboolean(L,dt_conf_get_bool(pref_name));
break;
case pref_int:
lua_pushnumber(L,dt_conf_get_int(pref_name));
break;
}
return 1;
}
static int write_pref(lua_State*L){
const char *script = luaL_checkstring(L,1);
const char *name = luaL_checkstring(L,2);
const char* type_name = luaL_checkstring(L,3);
int i;
for (i=0; pref_type_name[i]; i++)
if (strcmp(pref_type_name[i], type_name) == 0){
break;
}
if(!pref_type_name[i]) luaL_argerror(L,3,NULL);
char pref_name[1024];
get_pref_name(pref_name,1024,script,name);
switch(i) {
case pref_string:
dt_conf_set_string(pref_name,luaL_checkstring(L,4));
break;
case pref_bool:
luaL_checktype(L,4,LUA_TBOOLEAN);
dt_conf_set_bool(pref_name,lua_toboolean(L,4));
break;
case pref_int:
dt_conf_set_int(pref_name,luaL_checkinteger(L,4));
break;
}
return 1;
}
static void callback_string(GtkWidget *widget, pref_element*cur_elt ) {
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
dt_conf_set_string(pref_name,gtk_entry_get_text(GTK_ENTRY(widget)));
}
static void callback_bool(GtkWidget *widget, pref_element*cur_elt ) {
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
dt_conf_set_bool(pref_name,gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(widget)));
}
static void callback_int(GtkWidget *widget, pref_element*cur_elt ) {
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
dt_conf_set_int(pref_name, gtk_spin_button_get_value(GTK_SPIN_BUTTON(widget)));
}
static void response_callback_string(GtkDialog *dialog, gint response_id, pref_element* cur_elt)
{
if(response_id == GTK_RESPONSE_ACCEPT)
{
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
dt_conf_set_string(pref_name,gtk_entry_get_text(GTK_ENTRY(cur_elt->widget)));
}
}
static void response_callback_bool(GtkDialog *dialog, gint response_id, pref_element* cur_elt)
{
if(response_id == GTK_RESPONSE_ACCEPT)
{
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
dt_conf_set_bool(pref_name, gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(cur_elt->widget)));
}
}
static void response_callback_int(GtkDialog *dialog, gint response_id, pref_element* cur_elt)
{
if(response_id == GTK_RESPONSE_ACCEPT)
{
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
dt_conf_set_int(pref_name, gtk_spin_button_get_value(GTK_SPIN_BUTTON(cur_elt->widget)));
}
}
static gboolean reset_widget_string (GtkWidget *label, GdkEventButton *event, pref_element*cur_elt)
{
if(event->type == GDK_2BUTTON_PRESS)
{
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
gtk_entry_set_text(GTK_ENTRY(cur_elt->widget), cur_elt->string_data.default_value);
return TRUE;
}
return FALSE;
}
static gboolean reset_widget_bool (GtkWidget *label, GdkEventButton *event, pref_element*cur_elt)
{
if(event->type == GDK_2BUTTON_PRESS)
{
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
gtk_entry_set_text(GTK_ENTRY(cur_elt->widget), cur_elt->string_data.default_value);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cur_elt->widget), cur_elt->bool_data.default_value);
return TRUE;
}
return FALSE;
}
static gboolean reset_widget_int (GtkWidget *label, GdkEventButton *event, pref_element*cur_elt)
{
if(event->type == GDK_2BUTTON_PRESS)
{
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(cur_elt->widget), cur_elt->int_data.default_value);
return TRUE;
}
return FALSE;
}
void init_tab_lua (GtkWidget *dialog, GtkWidget *tab)
{
if(!pref_list) return; // no option registered => don't create the tab
char tooltip[1024];
GtkWidget *label, *labelev;
GtkWidget *hbox = gtk_hbox_new(5, FALSE);
GtkWidget *vbox1 = gtk_vbox_new(5, TRUE);
GtkWidget *vbox2 = gtk_vbox_new(5, TRUE);
gtk_box_pack_start(GTK_BOX(hbox), vbox1, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(hbox), vbox2, FALSE, FALSE, 0);
GtkWidget *alignment = gtk_alignment_new(0.5, 0.0, 1.0, 0.0);
gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), 20, 20, 20, 20);
gtk_container_add(GTK_CONTAINER(alignment), hbox);
gtk_notebook_append_page(GTK_NOTEBOOK(tab), alignment, gtk_label_new(_("lua options")));
pref_element* cur_elt = pref_list;
while(cur_elt) {
char pref_name[1024];
get_pref_name(pref_name,1024,cur_elt->script,cur_elt->name);
label = gtk_label_new(cur_elt->label);
gtk_misc_set_alignment(GTK_MISC(label), 0.0, 0.5);
labelev = gtk_event_box_new();
gtk_widget_add_events(labelev, GDK_BUTTON_PRESS_MASK);
gtk_container_add(GTK_CONTAINER(labelev), label);
switch(cur_elt->type) {
case pref_string:
cur_elt->widget = gtk_entry_new();
gtk_entry_set_text(GTK_ENTRY(cur_elt->widget), dt_conf_get_string(pref_name));
g_signal_connect(G_OBJECT(cur_elt->widget), "activate", G_CALLBACK(callback_string), cur_elt);
snprintf(tooltip, 1024, _("double click to reset to `%s'"), cur_elt->string_data.default_value);
g_signal_connect(G_OBJECT(labelev), "button-press-event", G_CALLBACK(reset_widget_string), cur_elt);
g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(response_callback_string), cur_elt);
break;
case pref_bool:
cur_elt->widget = gtk_check_button_new();
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(cur_elt->widget), dt_conf_get_bool(pref_name));
g_signal_connect(G_OBJECT(cur_elt->widget), "toggled", G_CALLBACK(callback_bool), cur_elt);
snprintf(tooltip, 1024, _("double click to reset to `%s'"), cur_elt->bool_data.default_value?"true":"false");
g_signal_connect(G_OBJECT(labelev), "button-press-event", G_CALLBACK(reset_widget_bool), cur_elt);
g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(response_callback_bool), cur_elt);
break;
case pref_int:
cur_elt->widget = gtk_spin_button_new_with_range(cur_elt->int_data.min, cur_elt->int_data.max, 1);
gtk_spin_button_set_digits(GTK_SPIN_BUTTON(cur_elt->widget), 0);
gtk_spin_button_set_value(GTK_SPIN_BUTTON(cur_elt->widget), dt_conf_get_int(pref_name));
g_signal_connect(G_OBJECT(cur_elt->widget), "value-changed", G_CALLBACK(callback_int), cur_elt);
snprintf(tooltip, 1024, _("double click to reset to `%d'"), cur_elt->int_data.default_value);
g_signal_connect(G_OBJECT(labelev), "button-press-event", G_CALLBACK(reset_widget_int), cur_elt);
g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(response_callback_int), cur_elt);
break;
}
gtk_object_set(GTK_OBJECT(labelev), "tooltip-text", tooltip, (char *)NULL);
gtk_event_box_set_visible_window(GTK_EVENT_BOX(labelev), FALSE);
gtk_object_set(GTK_OBJECT(cur_elt->widget), "tooltip-text", cur_elt->tooltip, (char *)NULL);
gtk_box_pack_start(GTK_BOX(vbox1), labelev, FALSE, FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox2), cur_elt->widget, FALSE, FALSE, 0);
cur_elt = cur_elt->next;
}
}
int dt_lua_init_preferences(lua_State * L) {
dt_lua_push_darktable_lib(L);
dt_lua_goto_subtable(L,"preferences");
lua_pushcfunction(L,register_pref);
lua_setfield(L,-2,"register_preference");
lua_pushcfunction(L,read_pref);
lua_setfield(L,-2,"read_preference");
lua_pushcfunction(L,write_pref);
lua_setfield(L,-2,"write_preference");
lua_pop(L,-1);
return 0;
}
// modelines: These editor modelines have been set for all relevant files by tools/update_modelines.sh
// vim: shiftwidth=2 expandtab tabstop=2 cindent
// kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-space on;