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use dparam_spec to set slider max, min and defaults

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Original commit message from CVS:
use dparam_spec to set slider max, min and defaults
This commit is contained in:
Steve Baker 2001-09-16 13:05:19 +00:00
parent 5be7eb77cf
commit 7704405ab2
1 changed files with 22 additions and 14 deletions
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36
test/sinesliders.c
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@ -40,26 +40,13 @@ int main(int argc,char *argv[]) {
GstDParamManager *dpman;
GstDParam *volume;
GstDParam *freq;
GstDParamSpec *spec;
GValue **vol_vals;
gtk_init(&argc,&argv);
gst_init(&argc,&argv);
/***** set up the GUI *****/
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(window,"delete_event",GTK_SIGNAL_FUNC(quit_live),NULL);
hbox = gtk_hbox_new(TRUE,0);
gtk_container_add(GTK_CONTAINER(window),hbox);
volume_adj = (GtkAdjustment*)gtk_adjustment_new(1.0, 0.0, 1.0, 0.1, 0.01, 0.01);
volume_slider = gtk_vscale_new(volume_adj);
gtk_box_pack_start(GTK_BOX(hbox),volume_slider,TRUE,TRUE,0);
freq_adj = (GtkAdjustment*)gtk_adjustment_new(440.0, 0.0, 2000.0, 1.0, 5.0, 5.0);
freq_slider = gtk_vscale_new(freq_adj);
gtk_box_pack_start(GTK_BOX(hbox),freq_slider,TRUE,TRUE,0);
/***** construct the pipeline *****/
g_print("creating elements\n");
@ -93,6 +80,27 @@ int main(int argc,char *argv[]) {
gst_dpman_set_mode(dpman, "synchronous");
/***** set up the GUI *****/
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(window,"delete_event",GTK_SIGNAL_FUNC(quit_live),NULL);
hbox = gtk_hbox_new(TRUE,0);
gtk_container_add(GTK_CONTAINER(window),hbox);
spec = gst_dpman_get_dparam_spec (dpman, "volume");
volume_adj = (GtkAdjustment*)gtk_adjustment_new(g_value_get_float(spec->default_val),
g_value_get_float(spec->min_val),
g_value_get_float(spec->max_val), 0.1, 0.01, 0.01);
volume_slider = gtk_vscale_new(volume_adj);
gtk_box_pack_start(GTK_BOX(hbox),volume_slider,TRUE,TRUE,0);
spec = gst_dpman_get_dparam_spec (dpman, "freq");
freq_adj = (GtkAdjustment*)gtk_adjustment_new(g_value_get_float(spec->default_val),
g_value_get_float(spec->min_val),
g_value_get_float(spec->max_val), 0.1, 0.01, 0.01);
freq_slider = gtk_vscale_new(freq_adj);
gtk_box_pack_start(GTK_BOX(hbox),freq_slider,TRUE,TRUE,0);
/***** set up the handlers and such *****/
//gtk_signal_connect(volume_adj,"value-changed",GTK_SIGNAL_FUNC(volume_changed),sinesrc);
g_signal_connect(volume_adj,"value-changed",