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/* timesigdialog.c
* a callback that creates a dialog boxes prompting the
* user for information on changing the time signature
* for Denemo, a gtk+ frontend to GNU Lilypond
* (c) 2000, 2001 Matthew Hiller */
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>
#include "calculatepositions.h"
#include "commandfuncs.h"
#include "contexts.h"
#include "datastructures.h"
#include "dialogs.h"
#include "draw.h"
#include "measureops.h"
#include "objops.h"
#include "staffops.h"
#include "utils.h"
struct callbackdata
{
struct scoreinfo *si;
staff *curstaffstruct;
GtkWidget *textentry1;
GtkWidget *textentry2;
GtkWidget *checkbutton;
};
gint ispow2 (gint x)
{
for (; !(x & 1); x >>= 1)
; /* Go through all the low order bits that are equal to 0 */
return (x == 1);
}
void
set_timesig (GtkWidget * widget, gpointer data)
{
struct callbackdata *cbdata = data;
gint time1 = atoi (gtk_entry_get_text (GTK_ENTRY (cbdata->textentry1)));
gint time2 = atoi (gtk_entry_get_text (GTK_ENTRY (cbdata->textentry2)));
staffnode *curstaff;
staff *curstaffstruct;
if (time1 && time2 && ispow2 (time2) && time1 < 1000 && time2 < 1000)
{
if (gtk_toggle_button_get_active
(GTK_TOGGLE_BUTTON (cbdata->checkbutton)))
{
for (curstaff = cbdata->si->thescore;
curstaff; curstaff = curstaff->next)
{
curstaffstruct = curstaff->data;
curstaffstruct->stime1 = time1;
curstaffstruct->stime2 = time2;
beamsandstemdirswholestaff (curstaffstruct);
}
find_leftmost_allcontexts (cbdata->si);
}
else
{
cbdata->curstaffstruct->stime1 = time1;
cbdata->curstaffstruct->stime2 = time2;
beamsandstemdirswholestaff (cbdata->curstaffstruct);
find_leftmost_staffcontext (cbdata->curstaffstruct, cbdata->si);
}
find_xes_in_all_measures (cbdata->si);
nudgerightward (cbdata->si);
cbdata->si->haschanged = TRUE;
gtk_widget_draw (cbdata->si->scorearea, NULL);
}
}
void
insert_timesig (GtkWidget * widget, gpointer data)
{
struct callbackdata *cbdata = data;
gint time1 = atoi (gtk_entry_get_text (GTK_ENTRY (cbdata->textentry1)));
gint time2 = atoi (gtk_entry_get_text (GTK_ENTRY (cbdata->textentry2)));
staffnode *curstaff;
measurenode *curmeasure;
objnode *firstobj;
mudelaobject *firstmudobj;
struct scoreinfo *si = cbdata->si;
gboolean replacing = FALSE; /* if we don't use this trick, anomalous
* stuff can happen when replacing a time
* signature */
for (curstaff = si->thescore; curstaff; curstaff = curstaff->next)
{
curmeasure = g_list_nth (firstmeasurenode (curstaff),
si->currentmeasurenum - 1);
/* First, look to see if there already is a time signature change at
the beginning of this measure. If so, delete it first. */
firstobj = firstobjnode (curmeasure);
if (firstobj)
firstmudobj = firstobj->data;
else
firstmudobj = NULL;
if (firstmudobj && firstmudobj->type == TIMESIG)
{
replacing = TRUE;
curmeasure->data = g_list_remove_link (curmeasure->data, firstobj);
freeobject (firstmudobj);
g_list_free_1 (firstobj);
}
curmeasure->data = g_list_prepend (curmeasure->data,
newtimesigobj (time1, time2));
if (curmeasure == si->currentmeasure)
{
if (!replacing)
si->cursor_x++;
if (si->cursor_appending)
si->currentobject = g_list_last (curmeasure->data);
else
si->currentobject = g_list_nth (curmeasure->data, si->cursor_x);
}
beamsandstemdirswholestaff (curstaff->data);
}
find_xes_in_all_measures (si);
nudgerightward (si);
si->haschanged = TRUE;
gtk_widget_draw (si->scorearea, NULL);
}
void timesig_change
(gpointer callback_data, guint callback_action, GtkWidget * widget)
{
GtkWidget *dialog;
GtkWidget *label;
GtkWidget *textentry1;
GtkWidget *textentry2;
GtkWidget *checkbutton;
GtkWidget *okbutton;
GtkWidget *cancelbutton;
static struct callbackdata cbdata;
static GString *entrycontent = NULL;
struct scoreinfo *si = callback_data;
staff *curstaffstruct = si->currentstaff->data;
if (!entrycontent)
entrycontent = g_string_new (NULL);
dialog = gtk_dialog_new ();
if (callback_action == CHANGEINITIAL)
gtk_window_set_title (GTK_WINDOW (dialog),
_("Change initial time signature"));
else
gtk_window_set_title (GTK_WINDOW (dialog),
_("Insert time signature change"));
label = gtk_label_new (_("Enter desired time signature:"));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
label, TRUE, TRUE, 0);
gtk_widget_show (label);
textentry1 = gtk_entry_new ();
g_string_sprintf (entrycontent, "%d", curstaffstruct->stime1);
gtk_entry_set_text (GTK_ENTRY (textentry1), entrycontent->str);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
textentry1, TRUE, TRUE, 0);
gtk_widget_show (textentry1);
textentry2 = gtk_entry_new ();
g_string_sprintf (entrycontent, "%d", curstaffstruct->stime2);
gtk_entry_set_text (GTK_ENTRY (textentry2), entrycontent->str);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
textentry2, TRUE, TRUE, 0);
gtk_widget_show (textentry2);
checkbutton = gtk_check_button_new_with_label (_("Apply to all staves?"));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
checkbutton, TRUE, TRUE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (checkbutton), TRUE);
gtk_widget_set_sensitive (checkbutton, FALSE);
gtk_widget_show (checkbutton);
okbutton = gtk_button_new_with_label (_("OK"));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area),
okbutton, TRUE, TRUE, 0);
cbdata.curstaffstruct = curstaffstruct;
cbdata.textentry1 = textentry1;
cbdata.textentry2 = textentry2;
cbdata.checkbutton = checkbutton;
cbdata.si = si;
gtk_signal_connect_object (GTK_OBJECT (textentry1), "activate",
gtk_widget_grab_focus, GTK_OBJECT (textentry2));
if (callback_action == CHANGEINITIAL)
{
processenter (textentry2, set_timesig, cbdata, dialog);
gtk_signal_connect (GTK_OBJECT (okbutton), "clicked",
GTK_SIGNAL_FUNC (set_timesig), &cbdata);
}
else
{
processenter (textentry2, insert_timesig, cbdata, dialog);
gtk_signal_connect (GTK_OBJECT (okbutton), "clicked",
GTK_SIGNAL_FUNC (insert_timesig), &cbdata);
}
gtk_signal_connect_object (GTK_OBJECT (okbutton), "clicked",
gtk_widget_destroy, GTK_OBJECT (dialog));
gtk_widget_show (okbutton);
cancelbutton = gtk_button_new_with_label (_("Cancel"));
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->action_area),
cancelbutton, TRUE, TRUE, 0);
gtk_signal_connect_object (GTK_OBJECT (cancelbutton), "clicked",
gtk_widget_destroy, GTK_OBJECT (dialog));
gtk_widget_show (cancelbutton);
gtk_widget_grab_focus (textentry1);
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE);
gtk_widget_show (dialog);
}
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