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Style fixes; no functional changes.

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git-svn-id: svn://svn.code.sf.net/p/jack-keyboard/code/trunk@8 1fa2bf75-7d80-4145-9e94-f9b4e25a1cb2
This commit is contained in:
trasz 2008-10-12 09:54:30 +00:00
parent baff42ccae
commit 0f3cb64475
1 changed files with 83 additions and 76 deletions
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159
src/pianokeyboard.c
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@ -52,37 +52,44 @@ static guint piano_keyboard_signals[LAST_SIGNAL] = { 0 };
static void static void
draw_keyboard_cue(PianoKeyboard *pk) draw_keyboard_cue(PianoKeyboard *pk)
{ {
int w = pk->notes[0].w; int w, h, first_note_in_lower_row, last_note_in_lower_row,
int h = pk->notes[0].h; first_note_in_higher_row, last_note_in_higher_row;
GdkGC *gc = GTK_WIDGET(pk)->style->fg_gc[0]; GdkGC *gc;
int first_note_in_lower_row = (pk->octave + 5) * 12; w = pk->notes[0].w;
int last_note_in_lower_row = (pk->octave + 6) * 12 - 1; h = pk->notes[0].h;
int first_note_in_higher_row = (pk->octave + 6) * 12;
int last_note_in_higher_row = (pk->octave + 7) * 12 + 4; gc = GTK_WIDGET(pk)->style->fg_gc[0];
first_note_in_lower_row = (pk->octave + 5) * 12;
last_note_in_lower_row = (pk->octave + 6) * 12 - 1;
first_note_in_higher_row = (pk->octave + 6) * 12;
last_note_in_higher_row = (pk->octave + 7) * 12 + 4;
gdk_draw_line(GTK_WIDGET(pk)->window, gc, pk->notes[first_note_in_lower_row].x + 3, gdk_draw_line(GTK_WIDGET(pk)->window, gc, pk->notes[first_note_in_lower_row].x + 3,
h - 6, pk->notes[last_note_in_lower_row].x + w - 3, h - 6); h - 6, pk->notes[last_note_in_lower_row].x + w - 3, h - 6);
gdk_draw_line(GTK_WIDGET(pk)->window, gc, pk->notes[first_note_in_higher_row].x + 3, gdk_draw_line(GTK_WIDGET(pk)->window, gc, pk->notes[first_note_in_higher_row].x + 3,
h - 9, pk->notes[last_note_in_higher_row].x + w - 3, h - 9); h - 9, pk->notes[last_note_in_higher_row].x + w - 3, h - 9);
} }
static void static void
draw_note(PianoKeyboard *pk, int note) draw_note(PianoKeyboard *pk, int note)
{ {
GdkColor black = {0, 0, 0, 0}; int is_white, x, w, h;
GdkColor white = {0, 65535, 65535, 65535};
GdkGC *gc = GTK_WIDGET(pk)->style->fg_gc[0]; GdkColor black = {0, 0, 0, 0};
GtkWidget *widget; GdkColor white = {0, 65535, 65535, 65535};
int is_white = pk->notes[note].white; GdkGC *gc = GTK_WIDGET(pk)->style->fg_gc[0];
GtkWidget *widget;
int x = pk->notes[note].x; is_white = pk->notes[note].white;
int w = pk->notes[note].w;
int h = pk->notes[note].h; x = pk->notes[note].x;
w = pk->notes[note].w;
h = pk->notes[note].h;
if (pk->notes[note].pressed || pk->notes[note].sustained) if (pk->notes[note].pressed || pk->notes[note].sustained)
is_white = !is_white; is_white = !is_white;
@ -113,8 +120,9 @@ draw_note(PianoKeyboard *pk, int note)
* that didn't work. * that didn't work.
*/ */
widget = GTK_WIDGET(pk); widget = GTK_WIDGET(pk);
gtk_paint_shadow(widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN, NULL, widget, NULL, pk->widget_margin, 0, gtk_paint_shadow(widget->style, widget->window, GTK_STATE_NORMAL, GTK_SHADOW_IN, NULL,
widget->allocation.width - pk->widget_margin * 2 + 1, widget->allocation.height); widget, NULL, pk->widget_margin, 0, widget->allocation.width - pk->widget_margin * 2 + 1,
widget->allocation.height);
} }
static int static int
@ -127,7 +135,7 @@ press_key(PianoKeyboard *pk, int key)
/* This is for keyboard autorepeat protection. */ /* This is for keyboard autorepeat protection. */
if (pk->notes[key].pressed) if (pk->notes[key].pressed)
return 0; return (0);
if (pk->sustain_new_notes) if (pk->sustain_new_notes)
pk->notes[key].sustained = 1; pk->notes[key].sustained = 1;
@ -139,7 +147,7 @@ press_key(PianoKeyboard *pk, int key)
g_signal_emit_by_name(GTK_WIDGET(pk), "note-on", key); g_signal_emit_by_name(GTK_WIDGET(pk), "note-on", key);
draw_note(pk, key); draw_note(pk, key);
return 1; return (1);
} }
static int static int
@ -151,7 +159,7 @@ release_key(PianoKeyboard *pk, int key)
pk->maybe_stop_sustained_notes = 0; pk->maybe_stop_sustained_notes = 0;
if (!pk->notes[key].pressed) if (!pk->notes[key].pressed)
return 0; return (0);
if (pk->sustain_new_notes) if (pk->sustain_new_notes)
pk->notes[key].sustained = 1; pk->notes[key].sustained = 1;
@ -159,18 +167,18 @@ release_key(PianoKeyboard *pk, int key)
pk->notes[key].pressed = 0; pk->notes[key].pressed = 0;
if (pk->notes[key].sustained) if (pk->notes[key].sustained)
return 0; return (0);
g_signal_emit_by_name(GTK_WIDGET(pk), "note-off", key); g_signal_emit_by_name(GTK_WIDGET(pk), "note-off", key);
draw_note(pk, key); draw_note(pk, key);
return 1; return (1);
} }
static void static void
stop_unsustained_notes(PianoKeyboard *pk) stop_unsustained_notes(PianoKeyboard *pk)
{ {
int i; int i;
for (i = 0; i < NNOTES; i++) { for (i = 0; i < NNOTES; i++) {
if (pk->notes[i].pressed && !pk->notes[i].sustained) { if (pk->notes[i].pressed && !pk->notes[i].sustained) {
@ -184,7 +192,7 @@ stop_unsustained_notes(PianoKeyboard *pk)
static void static void
stop_sustained_notes(PianoKeyboard *pk) stop_sustained_notes(PianoKeyboard *pk)
{ {
int i; int i;
for (i = 0; i < NNOTES; i++) { for (i = 0; i < NNOTES; i++) {
if (pk->notes[i].sustained) { if (pk->notes[i].sustained) {
@ -207,9 +215,9 @@ key_binding(PianoKeyboard *pk, const char *key)
found = g_hash_table_lookup_extended(pk->key_bindings, key, &notused, &note); found = g_hash_table_lookup_extended(pk->key_bindings, key, &notused, &note);
if (!found) if (!found)
return -1; return (-1);
return (int)note; return ((int)note);
} }
static void static void
@ -323,11 +331,11 @@ bind_keys_azerty(PianoKeyboard *pk)
static gint static gint
keyboard_event_handler(GtkWidget *mk, GdkEventKey *event, gpointer notused) keyboard_event_handler(GtkWidget *mk, GdkEventKey *event, gpointer notused)
{ {
int note; int note;
char *key; char *key;
guint keyval; guint keyval;
GdkKeymapKey kk; GdkKeymapKey kk;
PianoKeyboard *pk = PIANO_KEYBOARD(mk); PianoKeyboard *pk = PIANO_KEYBOARD(mk);
/* We're not using event->keyval, because we need keyval with level set to 0. /* We're not using event->keyval, because we need keyval with level set to 0.
E.g. if user holds Shift and presses '7', we want to get a '7', not '&'. */ E.g. if user holds Shift and presses '7', we want to get a '7', not '&'. */
@ -341,14 +349,14 @@ keyboard_event_handler(GtkWidget *mk, GdkEventKey *event, gpointer notused)
if (key == NULL) { if (key == NULL) {
g_message("gtk_keyval_name() returned NULL; please report this."); g_message("gtk_keyval_name() returned NULL; please report this.");
return FALSE; return (FALSE);
} }
note = key_binding(pk, key); note = key_binding(pk, key);
if (note < 0) { if (note < 0) {
/* Key was not bound. Maybe it's one of the keys handled in jack-keyboard.c. */ /* Key was not bound. Maybe it's one of the keys handled in jack-keyboard.c. */
return FALSE; return (FALSE);
} }
note += pk->octave * 12; note += pk->octave * 12;
@ -363,14 +371,15 @@ keyboard_event_handler(GtkWidget *mk, GdkEventKey *event, gpointer notused)
release_key(pk, note); release_key(pk, note);
} }
return TRUE; return (TRUE);
} }
static int static int
get_note_for_xy(PianoKeyboard *pk, int x, int y) get_note_for_xy(PianoKeyboard *pk, int x, int y)
{ {
int height = GTK_WIDGET(pk)->allocation.height; int height, note;
int note;
height = GTK_WIDGET(pk)->allocation.height;
if (y <= height / 2) { if (y <= height / 2) {
for (note = 0; note < NNOTES - 1; note++) { for (note = 0; note < NNOTES - 1; note++) {
@ -378,7 +387,7 @@ get_note_for_xy(PianoKeyboard *pk, int x, int y)
continue; continue;
if (x >= pk->notes[note].x && x <= pk->notes[note].x + pk->notes[note].w) if (x >= pk->notes[note].x && x <= pk->notes[note].x + pk->notes[note].w)
return note; return (note);
} }
} }
@ -387,28 +396,30 @@ get_note_for_xy(PianoKeyboard *pk, int x, int y)
continue; continue;
if (x >= pk->notes[note].x && x <= pk->notes[note].x + pk->notes[note].w) if (x >= pk->notes[note].x && x <= pk->notes[note].x + pk->notes[note].w)
return note; return (note);
} }
return -1; return (-1);
} }
static gboolean static gboolean
mouse_button_event_handler(PianoKeyboard *pk, GdkEventButton *event, gpointer notused) mouse_button_event_handler(PianoKeyboard *pk, GdkEventButton *event, gpointer notused)
{ {
int x = event->x; int x, y, note;
int y = event->y;
int note = get_note_for_xy(pk, x, y); x = event->x;
y = event->y;
note = get_note_for_xy(pk, x, y);
if (event->button != 1) if (event->button != 1)
return TRUE; return (TRUE);
if (event->type == GDK_BUTTON_PRESS) { if (event->type == GDK_BUTTON_PRESS) {
/* This is possible when you make the window a little wider and then click /* This is possible when you make the window a little wider and then click
on the grey area. */ on the grey area. */
if (note < 0) { if (note < 0) {
return TRUE; return (TRUE);
} }
if (pk->note_being_pressed_using_mouse >= 0) if (pk->note_being_pressed_using_mouse >= 0)
@ -430,16 +441,16 @@ mouse_button_event_handler(PianoKeyboard *pk, GdkEventButton *event, gpointer no
} }
return TRUE; return (TRUE);
} }
static gboolean static gboolean
mouse_motion_event_handler(PianoKeyboard *pk, GdkEventMotion *event, gpointer notused) mouse_motion_event_handler(PianoKeyboard *pk, GdkEventMotion *event, gpointer notused)
{ {
int note; int note;
if ((event->state & GDK_BUTTON1_MASK) == 0) if ((event->state & GDK_BUTTON1_MASK) == 0)
return TRUE; return (TRUE);
note = get_note_for_xy(pk, event->x, event->y); note = get_note_for_xy(pk, event->x, event->y);
@ -451,7 +462,7 @@ mouse_motion_event_handler(PianoKeyboard *pk, GdkEventMotion *event, gpointer no
pk->note_being_pressed_using_mouse = note; pk->note_being_pressed_using_mouse = note;
} }
return TRUE; return (TRUE);
} }
static gboolean static gboolean
@ -463,7 +474,7 @@ piano_keyboard_expose(GtkWidget *widget, GdkEventExpose *event)
for (i = 0; i < NNOTES; i++) for (i = 0; i < NNOTES; i++)
draw_note(pk, i); draw_note(pk, i);
return TRUE; return (TRUE);
} }
static void static void
@ -476,18 +487,13 @@ piano_keyboard_size_request(GtkWidget *widget, GtkRequisition *requisition)
static void static void
recompute_dimensions(PianoKeyboard *pk) recompute_dimensions(PianoKeyboard *pk)
{ {
int number_of_white_keys = (NNOTES - 1) * (7.0 / 12.0); int number_of_white_keys, key_width, black_key_width, useful_width, note,
white_key = 0, note_in_octave, width, height;
int key_width; number_of_white_keys = (NNOTES - 1) * (7.0 / 12.0);
int black_key_width;
int useful_width;
int note; width = GTK_WIDGET(pk)->allocation.width;
int white_key = 0; height = GTK_WIDGET(pk)->allocation.height;
int note_in_octave;
int width = GTK_WIDGET(pk)->allocation.width;
int height = GTK_WIDGET(pk)->allocation.height;
key_width = width / number_of_white_keys; key_width = width / number_of_white_keys;
black_key_width = key_width * 0.8; black_key_width = key_width * 0.8;
@ -498,7 +504,7 @@ recompute_dimensions(PianoKeyboard *pk)
note_in_octave = note % 12; note_in_octave = note % 12;
if (note_in_octave == 1 || note_in_octave == 3 || note_in_octave == 6 || if (note_in_octave == 1 || note_in_octave == 3 || note_in_octave == 6 ||
note_in_octave == 8 || note_in_octave == 10) { note_in_octave == 8 || note_in_octave == 10) {
/* This note is black key. */ /* This note is black key. */
pk->notes[note].x = pk->widget_margin + white_key * key_width - black_key_width / 2; pk->notes[note].x = pk->widget_margin + white_key * key_width - black_key_width / 2;
@ -530,26 +536,25 @@ piano_keyboard_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
recompute_dimensions(PIANO_KEYBOARD(widget)); recompute_dimensions(PIANO_KEYBOARD(widget));
if (GTK_WIDGET_REALIZED(widget)) { if (GTK_WIDGET_REALIZED(widget))
gdk_window_move_resize (widget->window, allocation->x, allocation->y, allocation->width, allocation->height); gdk_window_move_resize (widget->window, allocation->x, allocation->y, allocation->width, allocation->height);
}
} }
static void static void
piano_keyboard_class_init(PianoKeyboardClass *klass) piano_keyboard_class_init(PianoKeyboardClass *klass)
{ {
GtkWidgetClass *widget_klass; GtkWidgetClass *widget_klass;
/* Set up signals. */ /* Set up signals. */
piano_keyboard_signals[NOTE_ON_SIGNAL] = g_signal_new ("note-on", piano_keyboard_signals[NOTE_ON_SIGNAL] = g_signal_new ("note-on",
G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
0, NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); 0, NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
piano_keyboard_signals[NOTE_OFF_SIGNAL] = g_signal_new ("note-off", piano_keyboard_signals[NOTE_OFF_SIGNAL] = g_signal_new ("note-off",
G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
0, NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT); 0, NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
widget_klass = (GtkWidgetClass*) klass; widget_klass = (GtkWidgetClass*)klass;
widget_klass->expose_event = piano_keyboard_expose; widget_klass->expose_event = piano_keyboard_expose;
widget_klass->size_request = piano_keyboard_size_request; widget_klass->size_request = piano_keyboard_size_request;
@ -589,15 +594,17 @@ piano_keyboard_get_type(void)
mk_type = g_type_register_static(GTK_TYPE_DRAWING_AREA, "PianoKeyboard", &mk_info, 0); mk_type = g_type_register_static(GTK_TYPE_DRAWING_AREA, "PianoKeyboard", &mk_info, 0);
} }
return mk_type; return (mk_type);
} }
GtkWidget * GtkWidget *
piano_keyboard_new(void) piano_keyboard_new(void)
{ {
GtkWidget *widget = gtk_type_new(piano_keyboard_get_type()); GtkWidget *widget;
PianoKeyboard *pk;
PianoKeyboard *pk = PIANO_KEYBOARD(widget); widget = gtk_type_new(piano_keyboard_get_type());
pk = PIANO_KEYBOARD(widget);
pk->maybe_stop_sustained_notes = 0; pk->maybe_stop_sustained_notes = 0;
pk->sustain_new_notes = 0; pk->sustain_new_notes = 0;
@ -608,7 +615,7 @@ piano_keyboard_new(void)
pk->key_bindings = g_hash_table_new(g_str_hash, g_str_equal); pk->key_bindings = g_hash_table_new(g_str_hash, g_str_equal);
bind_keys_qwerty(pk); bind_keys_qwerty(pk);
return widget; return (widget);
} }
void void
@ -678,9 +685,9 @@ piano_keyboard_set_keyboard_layout(PianoKeyboard *pk, const char *layout)
} else { } else {
/* Unknown layout name. */ /* Unknown layout name. */
return TRUE; return (TRUE);
} }
return FALSE; return (FALSE);
} }