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gui.c
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gui.c
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/*
* Copyright (c) 2009-2011 Tomasz Moń <[email protected]>
*
* This program 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; under version 3 of the License.
*
* This program 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 <gtk/gtk.h>
#include <glib-object.h>
#include <string.h>
#include <alsa/asoundlib.h>
#include "gdigi.h"
#include "gui.h"
#include "effects.h"
#include "preset.h"
#include "gtkknob.h"
#include "images/gdigi_icon.h"
#include "gdigi_xml.h"
static gchar* MessageID_names[] = {
[REQUEST_WHO_AM_I] = "REQUEST_WHO_AM_I",
[RECEIVE_WHO_AM_I] = "RECEIVE_WHO_AM_I",
[REQUEST_DEVICE_CONFIGURATION] = "REQUEST_DEVICE_CONFIGURATION",
[RECEIVE_DEVICE_CONFIGURATION] = "RECEIVE_DEVICE_CONFIGURATION",
[REQUEST_GLOBAL_PARAMETERS] = "REQUEST_GLOBAL_PARAMETERS",
[RECEIVE_GLOBAL_PARAMETERS] = "RECEIVE_GLOBAL_PARAMETERS",
[REQUEST_BULK_DUMP] = "REQUEST_BULK_DUMP",
[RECEIVE_BULK_DUMP_START] = "RECEIVE_BULK_DUMP_START",
[RECEIVE_BULK_DUMP_END] = "RECEIVE_BULK_DUMP_END",
[REQUEST_PRESET_NAMES] = "REQUEST_PRESET_NAMES",
[RECEIVE_PRESET_NAMES] = "RECEIVE_PRESET_NAMES",
[REQUEST_PRESET_NAME] = "REQUEST_PRESET_NAME",
[RECEIVE_PRESET_NAME] = "RECEIVE_PRESET_NAME",
[REQUEST_PRESET] = "REQUEST_PRESET",
[RECEIVE_PRESET_START] = "RECEIVE_PRESET_START",
[RECEIVE_PRESET_END] = "RECEIVE_PRESET_END",
[RECEIVE_PRESET_PARAMETERS] = "RECEIVE_PRESET_PARAMETERS",
[LOAD_EDIT_BUFFER_PRESET] = "LOAD_EDIT_BUFFER_PRESET",
[MOVE_PRESET] = "MOVE_PRESET",
[REQUEST_MODIFIER_LINKABLE_LIST] = "REQUEST_MODIFIER_LINKABLE_LIST",
[RECEIVE_MODIFIER_LINKABLE_LIST] = "RECEIVE_MODIFIER_LINKABLE_LIST",
[REQUEST_PARAMETER_VALUE] = "REQUEST_PARAMETER_VALUE",
[RECEIVE_PARAMETER_VALUE] = "RECEIVE_PARAMETER_VALUE",
/* version 1 and later */
[REQUEST_OBJECT_NAMES] = "REQUEST_OBJECT_NAMES",
[RECEIVE_OBJECT_NAMES] = "RECEIVE_OBJECT_NAMES",
[REQUEST_OBJECT_NAME] = "REQUEST_OBJECT_NAME",
[RECEIVE_OBJECT_NAME] = "RECEIVE_OBJECT_NAME",
[REQUEST_OBJECT] = "REQUEST_OBJECT",
[RECEIVE_OBJECT] = "RECEIVE_OBJECT",
[MOVE_OBJECT] = "MOVE_OBJECT",
[DELETE_OBJECT] = "DELETE_OBJECT",
[REQUEST_TABLE] = "REQUEST_TABLE",
[RECEIVE_TABLE] = "RECEIVE_TABLE",
[RECEIVE_DEVICE_NOTIFICATION] = "RECEIVE_DEVICE_NOTIFICATION",
[ACK] = "ACK",
[NACK] = "NACK",
};
const gchar*
get_message_name(MessageID msgid)
{
if (MessageID_names[msgid]) {
return MessageID_names[msgid];
}
return "Unknown";
}
typedef struct {
GObject *widget;
/* used for combo boxes, if widget isn't combo box, then both value and x are -1 */
gint value; /**< effect type value */
gint x; /**< combo box item number */
} WidgetTreeElem;
#ifndef DOXYGEN_SHOULD_SKIP_THIS
static GtkKnobAnim *knob_anim = NULL; /* animation used by knobs */
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
static GTree *widget_tree = NULL; /**< this tree contains lists containing WidgetTreeElem data elements */
static gboolean allow_send = FALSE; /**< if FALSE GUI parameter changes won't be sent to device */
/**
* \param parent transient parent, or NULL for none
* \param message error description
*
* Shows error message dialog.
**/
void show_error_message(GtkWidget *parent, gchar *message)
{
g_return_if_fail(message != NULL);
GtkWidget *msg = gtk_message_dialog_new(GTK_WINDOW(parent),
GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"%s", message);
(void)gtk_dialog_run(GTK_DIALOG(msg));
gtk_widget_destroy(msg);
}
/**
* \param value value to examine
* \param values EffectValues to check value against
*
* Examines whether value fits inside values range for given EffectValues.
*
* \return TRUE is value fits inside range, otherwise FALSE.
**/
static gboolean check_value_range(gint value, EffectValues *values)
{
if (((gint) values->min <= value) && (value <= (gint) values->max))
return TRUE;
else
return FALSE;
}
/**
* \param spin a GtkSpinButton
* \param new_val return value for valid input
* \param values signal user data, EffectValues for this parameter
*
* Custom GtkSpinButton "input" handler for EffectValues with non plain type.
*
* \return TRUE if new_val was set, otherwise FALSE.
**/
static gboolean custom_value_input_cb(GtkSpinButton *spin, gdouble *new_val, EffectValues *values)
{
gchar *text = g_strdup(gtk_entry_get_text(GTK_ENTRY(spin)));
gchar *err = NULL;
gdouble value;
for (;;) {
if (values->type & VALUE_TYPE_LABEL) {
/** search labels for value */
gint n;
for (n = 0; values->labels[n] != NULL; n++) {
if (g_strcmp0(values->labels[n], text) == 0) {
/* Value found */
*new_val = values->min + (gdouble)n;
g_free(text);
return TRUE;
}
}
/* Value not found */
if (values->type & VALUE_TYPE_EXTRA) {
values = values->extra;
continue;
} else {
g_free(text);
return FALSE;
}
}
if (values->type & VALUE_TYPE_SUFFIX) {
/* remove suffix from entry text */
gchar *tmp;
tmp = strstr(text, values->suffix);
if (tmp != NULL) {
gchar *temp = g_strndup(text, tmp - text);
g_free(text);
text = temp;
}
}
g_strstrip(text);
value = g_strtod(text, &err);
if (*err) {
if (values->type & VALUE_TYPE_EXTRA) {
values = values->extra;
continue;
} else {
g_free(text);
return FALSE;
}
}
if (values->type & VALUE_TYPE_STEP) {
value /= values->step;
}
if (values->type & VALUE_TYPE_OFFSET) {
value -= values->offset;
}
if (check_value_range((gint) value, values) == FALSE) {
if (values->type & VALUE_TYPE_EXTRA) {
values = values->extra;
continue;
} else {
g_free(text);
return FALSE;
}
}
*new_val = value;
g_free(text);
return TRUE;
}
}
/**
* \param spin a GtkSpinButton
* \param values signal user data, EffectValues for this parameter
*
* Custom GtkSpinButton "output" handler for EffectValues with non plain type.
*
* \return TRUE if text was set, otherwise FALSE.
**/
static gboolean custom_value_output_cb(GtkSpinButton *spin, EffectValues *values)
{
GtkAdjustment *adj;
gchar *text;
gdouble value;
adj = gtk_spin_button_get_adjustment(spin);
value = gtk_adjustment_get_value(adj);
while (check_value_range(value, values) == FALSE) {
if (values->type & VALUE_TYPE_EXTRA) {
values = values->extra;
} else {
g_warning("custom_value_output_cb called with out of bounds value");
return FALSE;
}
}
if (values->type & VALUE_TYPE_LABEL) {
gtk_entry_set_text(GTK_ENTRY(spin), values->labels[(gint) value - (gint) values->min]);
return TRUE;
}
if (values->type & VALUE_TYPE_OFFSET) {
value += (gdouble) values->offset;
}
if (values->type & VALUE_TYPE_STEP) {
value *= values->step;
}
if (values->type & VALUE_TYPE_DECIMAL) {
text = g_strdup_printf("%.*f", values->decimal, value);
} else {
text = g_strdup_printf("%d", (gint) value);
}
if (values->type & VALUE_TYPE_SUFFIX) {
gchar *tmp;
tmp = g_strdup_printf("%s %s", text, values->suffix);
g_free(text);
text = tmp;
}
gtk_entry_set_text(GTK_ENTRY(spin), text);
g_free(text);
return TRUE;
}
/**
* \param adj the object which emitted the signal
* \param setting setting controlled by adj
*
* Sets effect value.
**/
void value_changed_option_cb(GtkAdjustment *adj, EffectSettings *setting)
{
g_return_if_fail(setting != NULL);
if (allow_send) {
gdouble val;
g_object_get(G_OBJECT(adj), "value", &val, NULL);
set_option(setting->id, setting->position, (gint)val);
}
}
/**
* \param button the object which emitted the signal
* \param effect effect controlled by button
*
* Turns effect on/off basing on state of button.
**/
void toggled_cb(GtkToggleButton *button, Effect *effect)
{
g_return_if_fail(effect != NULL);
if (allow_send) {
guint val = gtk_toggle_button_get_active(button);
set_option(effect->id, effect->position, val);
}
}
/**
* \param widget GObject to add to widget tree
* \param id object controlled ID
* \param position object controlled position
* \param value effect value type (if widget is GtkComboBox, otherwise -1)
* \param x combo box item number (if widget is GtkComboBox, otherwise -1)
*
* Adds widget to widget tree.
**/
static WidgetTreeElem *widget_tree_add(GObject *widget, gint id, gint position, gint value, gint x)
{
GList *list;
WidgetTreeElem *el;
gpointer key;
el = g_slice_new(WidgetTreeElem);
el->widget = widget;
el->value = value;
el->x = x;
key = GINT_TO_POINTER((position << 16) | id);
list = g_tree_lookup(widget_tree, key);
if (list == NULL) {
list = g_list_append(list, el);
g_tree_insert(widget_tree, key, list);
} else {
list = g_list_append(list, el);
/* replace the list pointer */
g_tree_steal(widget_tree, key);
g_tree_insert(widget_tree, key, list);
}
return el;
}
/**
* \param el widget tree element
* \param param parameter to set
*
* Sets widget tree element value to param value.
**/
static void apply_widget_setting(WidgetTreeElem *el, SettingParam *param)
{
if (el->value == -1) {
if (GTK_IS_TOGGLE_BUTTON(el->widget))
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(el->widget), (param->value == 0) ? FALSE : TRUE);
else if (GTK_IS_ADJUSTMENT(el->widget))
gtk_adjustment_set_value(GTK_ADJUSTMENT(el->widget), (gdouble)param->value);
} else { /* combo box */
if (el->value == param->value) {
gtk_combo_box_set_active(GTK_COMBO_BOX(el->widget), el->x);
}
}
}
/**
* \param param SettingParam to apply to GUI
*
* Applies SettingParam to GUI
**/
void apply_setting_param_to_gui(SettingParam *param)
{
gpointer key;
g_return_if_fail(param != NULL);
allow_send = FALSE;
key = GINT_TO_POINTER((param->position << 16) | param->id);
GList *list = g_tree_lookup(widget_tree, key);
g_list_foreach(list, (GFunc)apply_widget_setting, param);
allow_send = TRUE;
}
/**
* \param preset preset to sync
*
* Synces GUI with preset.
**/
static void apply_preset_to_gui(Preset *preset)
{
g_return_if_fail(preset != NULL);
g_return_if_fail(widget_tree != NULL);
allow_send = FALSE;
GList *iter = preset->params;
while (iter) {
gpointer key;
SettingParam *param = iter->data;
iter = iter->next;
if (param != NULL) {
key = GINT_TO_POINTER((param->position << 16) | param->id);
GList *list = g_tree_lookup(widget_tree, key);
g_list_foreach(list, (GFunc)apply_widget_setting, param);
}
}
allow_send = TRUE;
}
/**
* Synces GUI with device current edit buffer.
**/
static void apply_current_preset()
{
GList *list = get_current_preset();
Preset *preset = create_preset_from_data(list);
message_list_free(list);
apply_preset_to_gui(preset);
preset_free(preset);
}
gboolean apply_current_preset_to_gui(gpointer data)
{
apply_current_preset();
return FALSE;
}
/**
* Free the data associated with the dynamically allocated settings
* for the EXP_POSITION.
*/
void modifier_settings_exp_free(EffectSettings *settings)
{
guint i;
guint id = settings->id;
guint pos = settings->position;
gpointer key;
GList *link, *next, *orig_list;
WidgetTreeElem *el;
GObject *widget;
for (i = 0; i < 2; i++) {
id = settings[i].id;
pos = settings[i].position;
key = GINT_TO_POINTER(pos <<16| id);
orig_list = g_tree_lookup(widget_tree, key);
if (!orig_list) {
continue;
}
link = g_list_first(orig_list);
while (link != NULL) {
next = link->next;
el = link->data;
if (el) {
widget = el->widget;
if (g_object_get_data(G_OBJECT(widget), "exp")) {
g_slice_free(WidgetTreeElem, el);
link->data = NULL;
}
}
link = next;
}
/* Remove all the list elements from which we freed data. */
orig_list = g_list_remove_all(orig_list, NULL);
/* The list should be empty at this point. */
g_assert(!orig_list);
/* Removed them all, so remove the key from the tree.*/
g_tree_steal(widget_tree, key);
}
}
/**
* \param settings effect parameters
* \param amt amount of effect parameters
* \param widget_table hash table matching settings pointer with created grid (may be NULL)
*
* Creates knobs that allow user to set effect parameters.
*
* \return GtkGrid containing necessary widgets to set effect parameters.
**/
GtkWidget *create_grid(EffectSettings *settings, gint amt, GHashTable *widget_table)
{
GtkWidget *grid, *label, *widget, *knob;
GtkAdjustment *adj;
int x;
if (widget_table != NULL) {
grid = g_hash_table_lookup(widget_table, settings);
if (grid != NULL)
return grid;
}
grid = gtk_grid_new();
gtk_grid_set_row_spacing(GTK_GRID(grid), 2);
gtk_grid_set_column_spacing(GTK_GRID(grid), 2);
for (x = 0; x<amt; x++) {
gdouble min, max;
gboolean custom;
get_values_info(settings[x].values, &min, &max, &custom);
label = gtk_label_new(settings[x].label);
adj = gtk_adjustment_new(0.0, min, max,
1.0, /* step increment */
MAX((max / 100), 5.0), /* page increment */
0.0);
knob = gtk_knob_new(GTK_ADJUSTMENT(adj), knob_anim);
widget = gtk_spin_button_new(GTK_ADJUSTMENT(adj), 1.0, 0);
gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(widget), FALSE);
gtk_spin_button_set_update_policy(GTK_SPIN_BUTTON(widget), GTK_UPDATE_IF_VALID);
if (custom == TRUE) {
g_signal_connect(G_OBJECT(widget), "input", G_CALLBACK(custom_value_input_cb), settings[x].values);
g_signal_connect(G_OBJECT(widget), "output", G_CALLBACK(custom_value_output_cb), settings[x].values);
}
widget_tree_add(G_OBJECT(adj), settings[x].id,
settings[x].position, -1, -1);
if (settings[x].position == EXP_POSITION) {
/* Tag the adj so we can free it when we free the modifier group. */
g_object_set_data(G_OBJECT(adj), "exp", GINT_TO_POINTER(1));
}
gtk_grid_attach(GTK_GRID(grid), label, 0, x, 1, 1);
gtk_grid_attach(GTK_GRID(grid), knob, 1, x, 1, 1);
gtk_grid_attach(GTK_GRID(grid), widget, 2, x, 1, 1);
g_signal_connect(G_OBJECT(adj), "value-changed", G_CALLBACK(value_changed_option_cb), &settings[x]);
if (widget_table != NULL) {
g_hash_table_insert(widget_table, settings, grid);
}
}
return grid;
}
/**
* \param effect Effect that can be turned on/off
*
* Creates toggle button that allow user to turn effect on/off.
*
* \return GtkToggleButton
**/
GtkWidget *create_on_off_button(Effect *effect)
{
GtkWidget *button;
if (effect->label == NULL)
button = gtk_check_button_new();
else
button = gtk_check_button_new_with_label(effect->label);
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), FALSE);
g_signal_connect(G_OBJECT(button), "toggled", G_CALLBACK(toggled_cb), effect);
widget_tree_add(G_OBJECT(button), effect->id, effect->position, -1, -1);
return button;
}
typedef struct {
gint type; /**< effect group type (value) */
gint id; /**< option ID */
gint position; /**< position */
GtkWidget *child; /**< child widget */
} EffectSettingsGroup;
/**
* \param group group to be freed
*
* Frees all memory used by group
**/
void effect_settings_group_free(EffectSettingsGroup *group)
{
if (group->child != NULL) {
/* destroy widget without parent */
if (gtk_widget_get_parent(group->child) == NULL) {
gtk_widget_destroy(group->child);
}
g_object_unref(group->child);
}
g_slice_free(EffectSettingsGroup, group);
}
/**
* \param widget the object which emitted the signal
* \param data user data (unused, can be anything)
*
* Switches effect type and shows widgets allowing to set selected effect type parameters.
**/
void combo_box_changed_cb(GtkComboBox *widget, gpointer data)
{
GtkWidget *child;
GtkWidget *vbox;
EffectSettingsGroup *settings = NULL;
gchar *name = NULL;
gint x;
g_object_get(G_OBJECT(widget), "active", &x, NULL);
vbox = g_object_get_data(G_OBJECT(widget), "vbox");
if (x != -1) {
GtkWidget *new_child = NULL;
name = g_strdup_printf("SettingsGroup%d", x);
settings = g_object_get_data(G_OBJECT(widget), name);
g_free(name);
child = g_object_get_data(G_OBJECT(widget), "active_child");
if (settings != NULL)
{
if (allow_send)
set_option(settings->id, settings->position, settings->type);
if (child == settings->child) {
return;
}
}
if (child != NULL) {
gtk_container_remove(GTK_CONTAINER(gtk_widget_get_parent(gtk_widget_get_parent(vbox))), child);
}
if (settings != NULL && settings->child != NULL) {
gtk_container_add(GTK_CONTAINER(gtk_widget_get_parent(gtk_widget_get_parent(vbox))), settings->child);
gtk_widget_show_all(gtk_widget_get_parent(gtk_widget_get_parent(vbox)));
new_child = settings->child;
}
g_object_set_data(G_OBJECT(widget), "active_child", new_child);
}
}
/**
* \param group Effect type groups
* \param amt amount of effect groups
* \param id ID to set effect type
* \param position position
*
* Creates widget allowing user to choose effect type.
*
* \return widget that allow user to set effect type.
**/
GtkWidget *create_widget_container(EffectGroup *group, gint amt, gint id, gint position)
{
GtkWidget *vbox;
GtkWidget *widget;
GtkWidget *combo_box = NULL;
GHashTable *widget_table;
EffectSettingsGroup *settings = NULL;
gchar *name = NULL;
gint x;
gint cmbox_no = -1;
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
widget_table = g_hash_table_new(g_direct_hash, g_direct_equal);
for (x = 0; x<amt; x++) {
if (group[x].label) {
if (combo_box == NULL) {
combo_box = gtk_combo_box_text_new();
gtk_box_pack_end(GTK_BOX(vbox), combo_box, FALSE, TRUE, 0);
g_signal_connect(G_OBJECT(combo_box), "changed", G_CALLBACK(combo_box_changed_cb), group);
g_object_set_data(G_OBJECT(combo_box), "vbox", vbox);
}
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo_box), group[x].label);
cmbox_no++;
if ((group[x].settings != NULL) && (group[x].settings_amt > 0)) {
/*
* Create a grid for each combo box entry to contain per
* combo box entry settings.
*/
widget = create_grid(group[x].settings,
group[x].settings_amt,
widget_table);
g_object_ref_sink(widget);
} else {
widget = NULL;
}
settings = g_slice_new(EffectSettingsGroup);
settings->id = id;
settings->type = group[x].type;
settings->position = position;
settings->child = widget;
widget_tree_add(G_OBJECT(combo_box), id, position, group[x].type, x);
name = g_strdup_printf("SettingsGroup%d", cmbox_no);
g_object_set_data_full(G_OBJECT(combo_box),
name, settings,
((GDestroyNotify)effect_settings_group_free));
g_free(name);
} else {
if ((group[x].settings != NULL) && (group[x].settings_amt > 0)) {
widget = create_grid(group[x].settings,
group[x].settings_amt,
widget_table);
gtk_box_pack_end(GTK_BOX(vbox), widget, FALSE, TRUE, 0);
}
}
}
g_hash_table_destroy(widget_table);
return vbox;
}
/**
* Populate the vbox for an effect dependent on the modifier list.
*
* \param vbox The vbox for the effect.
* \param combo_box The combo box to repopulate.
* \param id The id of the effect.
* \param position The position of the effect.
*/
static void update_modifier_vbox(GtkWidget *vbox, GObject *combo_box, gint id, gint position)
{
gint x;
EffectSettingsGroup *settings = NULL;
EffectGroup *group = get_modifier_group();
guint amt = get_modifier_amt();
GtkWidget *child = NULL;
GHashTable *widget_table;
widget_table = g_hash_table_new(g_direct_hash, g_direct_equal);
for (x = 0; x<amt; x++) {
gchar *name;
g_assert(group[x].label);
settings = g_slice_new(EffectSettingsGroup);
settings->id = id;
settings->type = group[x].type;
settings->position = position;
if (position == EXP_POSITION) {
child = g_object_steal_data(G_OBJECT(combo_box), "active_child");
child = create_grid(group[x].settings, group[x].settings_amt,
widget_table);
g_object_ref_sink(child);
settings->child = child;
} else {
/* LFO has one settings group.*/
settings->child = NULL;
}
name = g_strdup_printf("SettingsGroup%d", x);
g_object_set_data(G_OBJECT(combo_box), name, settings);
g_free(name);
gtk_combo_box_text_append_text(GTK_COMBO_BOX_TEXT(combo_box), group[x].label);
widget_tree_add(combo_box, id, position, group[x].type, x);
}
g_hash_table_destroy(widget_table);
return;
}
static void clean_modifier_combo_box(GObject *combo_box, GList *list)
{
EffectSettingsGroup *settings = NULL;
WidgetTreeElem *el;
gchar *name;
GList *link, *next, *stale_link;
link = g_list_first(list);
while (link != NULL) {
next = link->next;
el = link->data;
stale_link = NULL;
/* We need to clean the data associated with a combo box.
* This may include the per-entry settings widgets.
*/
if (el->value != -1) {
/* This is a combo box entry. Remove the associated data. */
stale_link = link;
link = g_list_remove_link(list, link);
name = g_strdup_printf("SettingsGroup%d", el->x);
settings = g_object_steal_data(G_OBJECT(combo_box), name);
if (settings && settings->child) {
gtk_widget_destroy(settings->child);
}
g_slice_free(EffectSettingsGroup, settings);
g_free(name);
g_slice_free(WidgetTreeElem, el);
}
if (stale_link) {
g_list_free_1(stale_link);
}
link = next;
}
gtk_combo_box_text_remove_all(GTK_COMBO_BOX_TEXT(combo_box));
}
/**
* Given a linkable effect, update the combo box for the linkable parameters.
*
* @param[in] pos Position
* @param[in] id Id
*/
void
create_modifier_group (guint pos, guint id)
{
GtkWidget *vbox;
gpointer key;
WidgetTreeElem *el;
GList *list;
GObject *modifier_combo_box;
debug_msg(DEBUG_GROUP, "Building modifier group for position %d id %d \"%s\"",
pos, id, get_xml_settings(id, pos)->label);
key = GINT_TO_POINTER((pos << 16) | id);
list = g_tree_lookup(widget_tree, key);
/*
* The list will be destroyed and recreated, but we don't want to
* handle the teardown ourselves. So steal it from the tree.
*/
g_tree_steal(widget_tree, key);
if (!list) {
return;
}
el = g_list_nth_data(list, 0);
if (!el) {
g_warning("No effect settings group for position %d id %d!\n",
pos, id);
return;
}
modifier_combo_box = el->widget;
g_assert(modifier_combo_box != NULL);
vbox = g_object_get_data(modifier_combo_box, "vbox");
g_assert(vbox != NULL);
clean_modifier_combo_box(modifier_combo_box, list);
update_modifier_vbox(vbox, modifier_combo_box, id, pos);
get_option(id, pos);
if (pos == EXP_POSITION) {
get_option(EXP_MIN, EXP_POSITION);
get_option(EXP_MAX, EXP_POSITION);
}
}
/**
* \param widgets Effect descriptions
* \param amt amount of effect descriptions
* \param label frame label (can be NULL)
*
* Creates frame (with optional label) containing widgets allowing user to set effect options.
*
* \return widget that allow user to set effect options.
**/
GtkWidget *create_vbox(Effect *widgets, gint amt, gchar *label)
{
GtkWidget *vbox;
GtkWidget *widget;
GtkWidget *grid;
GtkWidget *container;
GtkWidget *frame;
int x;
int y;
frame = gtk_frame_new(label);
vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
grid = gtk_grid_new();
gtk_grid_set_column_spacing(GTK_GRID(grid), 2);
for (x = 0; x<amt; x++) {
if ((widgets[x].id != -1) && (widgets[x].position != -1)) {
widget = create_on_off_button(&widgets[x]);
gtk_grid_attach(GTK_GRID(grid), widget, 0, x, 1, 1);
if (widgets[x].label)
y = 1;
else
y = 0;
} else if (widgets[x].label) {
widget = gtk_label_new(widgets[x].label);
gtk_grid_attach(GTK_GRID(grid), widget, 0, x, 1, 1);
y = 0;
} else {
/* Default to 1 */
if (x == 0)
y = 1;
}
container = create_widget_container(widgets[x].group,
widgets[x].group_amt,
widgets[x].type,
widgets[x].position);
gtk_grid_attach(GTK_GRID(grid), container, 1-y, x+y, 1, 1);
}
gtk_box_pack_start(GTK_BOX(vbox), grid, FALSE, FALSE, 2);
gtk_container_add(GTK_CONTAINER(frame), vbox);
return frame;
}
enum {
PRESET_NAME_COLUMN = 0,
PRESET_NUMBER_COLUMN,
PRESET_BANK_COLUMN,
NUM_COLUMNS
};
/**
* \param treeview the object which emitted the signal
* \param path the GtkTreePath for the activated row
* \param column the GtkTreeViewColumn in which the activation occurred
* \param model model holding preset names
*
* Sets active device preset to preset selected by user.
**/
void row_activate_cb(GtkTreeView *treeview, GtkTreePath *path, GtkTreeViewColumn *column, GtkTreeModel *model) {
GtkTreeIter iter;
gint id;
gint bank;
gtk_tree_model_get_iter(model, &iter, path);
gtk_tree_model_get(model, &iter, PRESET_NUMBER_COLUMN, &id, PRESET_BANK_COLUMN, &bank, -1);
if ((bank != -1) && (id != -1)) {
switch_preset(bank, id);
apply_current_preset();
}
}
/**
* \param model model to fill
* \param bank preset bank
* \param name preset bank description visible to user
*
* Appends to model preset names found in device preset bank.
**/
static void fill_store_with_presets(GtkTreeStore *model, guint bank, gchar *name)
{
GtkTreeIter iter;
GtkTreeIter child_iter;
int x;
GStrv presets = query_preset_names(bank);
g_return_if_fail(presets != NULL);
gtk_tree_store_append(model, &iter, NULL);
gtk_tree_store_set(model, &iter,