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Highlight mixer labels on dial hover

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This commit is contained in:
Geoffrey D. Bennett
2024-12-27 01:58:35 +10:30
parent 640d027502
commit 0f7389dca8
2 changed files with 72 additions and 2 deletions
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8
src/alsa-scarlett-gui.css
View File

@@ -65,6 +65,14 @@
background: #801010;
}
.mixer-label {
}
.mixer-label-hover {
font-weight: bold;
text-shadow: 0 0 5px #00c000, 0 0 15px #00c000;
}
label.gain {
font-size: smaller;
}

66
src/window-mixer.c
View File

@@ -8,6 +8,54 @@
#include "widget-gain.h"
#include "window-mixer.h"
static void mixer_gain_enter(
GtkEventControllerMotion *controller,
double x, double y,
gpointer user_data
) {
GtkWidget *widget = GTK_WIDGET(user_data);
GtkWidget *mix_left = g_object_get_data(G_OBJECT(widget), "mix_label_left");
GtkWidget *mix_right = g_object_get_data(G_OBJECT(widget), "mix_label_right");
GtkWidget *source_top = g_object_get_data(G_OBJECT(widget), "source_label_top");
GtkWidget *source_bottom = g_object_get_data(G_OBJECT(widget), "source_label_bottom");
if (mix_left)
gtk_widget_add_css_class(mix_left, "mixer-label-hover");
if (mix_right)
gtk_widget_add_css_class(mix_right, "mixer-label-hover");
if (source_top)
gtk_widget_add_css_class(source_top, "mixer-label-hover");
if (source_bottom)
gtk_widget_add_css_class(source_bottom, "mixer-label-hover");
}
static void mixer_gain_leave(
GtkEventControllerMotion *controller,
gpointer user_data
) {
GtkWidget *widget = GTK_WIDGET(user_data);
GtkWidget *mix_left = g_object_get_data(G_OBJECT(widget), "mix_label_left");
GtkWidget *mix_right = g_object_get_data(G_OBJECT(widget), "mix_label_right");
GtkWidget *source_top = g_object_get_data(G_OBJECT(widget), "source_label_top");
GtkWidget *source_bottom = g_object_get_data(G_OBJECT(widget), "source_label_bottom");
if (mix_left)
gtk_widget_remove_css_class(mix_left, "mixer-label-hover");
if (mix_right)
gtk_widget_remove_css_class(mix_right, "mixer-label-hover");
if (source_top)
gtk_widget_remove_css_class(source_top, "mixer-label-hover");
if (source_bottom)
gtk_widget_remove_css_class(source_bottom, "mixer-label-hover");
}
static void add_mixer_hover_controller(GtkWidget *widget) {
GtkEventController *motion = gtk_event_controller_motion_new();
g_signal_connect(motion, "enter", G_CALLBACK(mixer_gain_enter), widget);
g_signal_connect(motion, "leave", G_CALLBACK(mixer_gain_leave), widget);
gtk_widget_add_controller(widget, motion);
}
static struct routing_snk *get_mixer_r_snk(
struct alsa_card *card,
int input_num
@@ -43,18 +91,21 @@ GtkWidget *create_mixer_controls(struct alsa_card *card) {
GArray *elems = card->elems;
GtkWidget *mix_labels_left[MAX_MIX_OUT];
GtkWidget *mix_labels_right[MAX_MIX_OUT];
// create the Mix X labels on the left and right of the grid
for (int i = 0; i < card->routing_in_count[PC_MIX]; i++) {
char name[10];
snprintf(name, 10, "Mix %c", i + 'A');
GtkWidget *l_left = gtk_label_new(name);
GtkWidget *l_left = mix_labels_left[i] = gtk_label_new(name);
gtk_grid_attach(
GTK_GRID(mixer_top), l_left,
0, i + 2, 1, 1
);
GtkWidget *l_right = gtk_label_new(name);
GtkWidget *l_right = mix_labels_right[i] = gtk_label_new(name);
gtk_grid_attach(
GTK_GRID(mixer_top), l_right,
card->routing_out_count[PC_MIX] + 1, i + 2, 1, 1
@@ -109,6 +160,8 @@ GtkWidget *create_mixer_controls(struct alsa_card *card) {
if (!l_top) {
l_top = r_snk->mixer_label_top = gtk_label_new("");
GtkWidget *l_bottom = r_snk->mixer_label_bottom = gtk_label_new("");
gtk_widget_add_css_class(l_top, "mixer-label");
gtk_widget_add_css_class(l_bottom, "mixer-label");
gtk_grid_attach(
GTK_GRID(mixer_top), l_top,
@@ -119,6 +172,15 @@ GtkWidget *create_mixer_controls(struct alsa_card *card) {
input_num, card->routing_in_count[PC_MIX] + input_num % 2 + 2, 3, 1
);
}
g_object_set_data(G_OBJECT(w), "mix_label_left", mix_labels_left[mix_num]);
g_object_set_data(G_OBJECT(w), "mix_label_right", mix_labels_right[mix_num]);
g_object_set_data(G_OBJECT(w), "source_label_top", r_snk->mixer_label_top);
g_object_set_data(G_OBJECT(w), "source_label_bottom", r_snk->mixer_label_bottom);
// add hover controller to the gain widget
add_mixer_hover_controller(w);
}
update_mixer_labels(card);