Move to gitHub the edn project (remove history keep it on my nas)
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205
tools/exampleCustumWidget/Sources/cpu.c
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205
tools/exampleCustumWidget/Sources/cpu.c
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/* cpu.c */
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#include "cpu.h"
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static void gtk_cpu_class_init(GtkCpuClass *klass);
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static void gtk_cpu_init(GtkCpu *cpu);
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static void gtk_cpu_size_request(GtkWidget *widget, GtkRequisition *requisition);
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static void gtk_cpu_size_allocate(GtkWidget *widget, GtkAllocation *allocation);
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static void gtk_cpu_realize(GtkWidget *widget);
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static gboolean gtk_cpu_expose(GtkWidget *widget, GdkEventExpose *event);
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static void gtk_cpu_paint(GtkWidget *widget);
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static void gtk_cpu_destroy(GtkObject *object);
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GtkType gtk_cpu_get_type(void)
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{
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static GtkType gtk_cpu_type = 0;
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if (!gtk_cpu_type) {
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static const GtkTypeInfo gtk_cpu_info = {
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"GtkCpu",
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sizeof(GtkCpu),
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sizeof(GtkCpuClass),
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(GtkClassInitFunc) gtk_cpu_class_init,
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(GtkObjectInitFunc) gtk_cpu_init,
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NULL,
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NULL,
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(GtkClassInitFunc) NULL
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};
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gtk_cpu_type = gtk_type_unique(GTK_TYPE_WIDGET, >k_cpu_info);
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}
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return gtk_cpu_type;
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}
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void gtk_cpu_set_state(GtkCpu *cpu, gint num)
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{
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cpu->sel = num;
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gtk_cpu_paint(GTK_WIDGET(cpu));
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}
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GtkWidget * gtk_cpu_new()
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{
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return GTK_WIDGET(gtk_type_new(gtk_cpu_get_type()));
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}
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static void gtk_cpu_class_init(GtkCpuClass *klass)
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{
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GtkWidgetClass *widget_class;
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GtkObjectClass *object_class;
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widget_class = (GtkWidgetClass *) klass;
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object_class = (GtkObjectClass *) klass;
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widget_class->realize = gtk_cpu_realize;
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widget_class->size_request = gtk_cpu_size_request;
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widget_class->size_allocate = gtk_cpu_size_allocate;
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widget_class->expose_event = gtk_cpu_expose;
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object_class->destroy = gtk_cpu_destroy;
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}
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static void gtk_cpu_init(GtkCpu *cpu)
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{
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cpu->sel = 0;
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}
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static void gtk_cpu_size_request(GtkWidget *widget,
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GtkRequisition *requisition)
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{
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_CPU(widget));
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g_return_if_fail(requisition != NULL);
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requisition->width = 80;
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requisition->height = 100;
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}
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static void gtk_cpu_size_allocate(GtkWidget *widget,
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GtkAllocation *allocation)
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{
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_CPU(widget));
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g_return_if_fail(allocation != NULL);
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widget->allocation = *allocation;
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if (GTK_WIDGET_REALIZED(widget)) {
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gdk_window_move_resize(
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widget->window,
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allocation->x, allocation->y,
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allocation->width, allocation->height
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);
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}
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}
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static void gtk_cpu_realize(GtkWidget *widget)
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{
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GdkWindowAttr attributes;
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guint attributes_mask;
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_CPU(widget));
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GTK_WIDGET_SET_FLAGS(widget, GTK_REALIZED);
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attributes.window_type = GDK_WINDOW_CHILD;
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attributes.x = widget->allocation.x;
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attributes.y = widget->allocation.y;
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attributes.width = 80;
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attributes.height = 100;
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attributes.wclass = GDK_INPUT_OUTPUT;
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attributes.event_mask = gtk_widget_get_events(widget) | GDK_EXPOSURE_MASK;
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attributes_mask = GDK_WA_X | GDK_WA_Y;
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widget->window = gdk_window_new(
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gtk_widget_get_parent_window (widget),
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& attributes, attributes_mask
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);
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gdk_window_set_user_data(widget->window, widget);
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widget->style = gtk_style_attach(widget->style, widget->window);
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gtk_style_set_background(widget->style, widget->window, GTK_STATE_NORMAL);
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}
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static gboolean gtk_cpu_expose(GtkWidget *widget, GdkEventExpose *event)
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{
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g_return_val_if_fail(widget != NULL, FALSE);
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g_return_val_if_fail(GTK_IS_CPU(widget), FALSE);
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g_return_val_if_fail(event != NULL, FALSE);
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gtk_cpu_paint(widget);
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return FALSE;
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}
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static void gtk_cpu_paint(GtkWidget *widget)
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{
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cairo_t *cr;
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cr = gdk_cairo_create(widget->window);
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cairo_translate(cr, 0, 7);
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cairo_set_source_rgb(cr, 0, 0, 0);
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cairo_paint(cr);
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gint pos = GTK_CPU(widget)->sel;
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gint rect = pos / 5;
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cairo_set_source_rgb(cr, 0.2, 0.4, 0);
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gint i;
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for ( i = 1; i <= 20; i++) {
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if (i > 20 - rect) {
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cairo_set_source_rgb(cr, 0.6, 1.0, 0);
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} else {
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cairo_set_source_rgb(cr, 0.2, 0.4, 0);
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}
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cairo_rectangle(cr, 8, i*4, 30, 3);
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cairo_fill(cr);
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if (i > 20 - rect) {
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cairo_set_source_rgb(cr, 0.9, 1.0, 0);
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} else {
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cairo_set_source_rgb(cr, 0.4, 0.4, 0);
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}
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cairo_rectangle(cr, 42, i*4, 30, 3);
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cairo_fill(cr);
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}
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cairo_destroy(cr);
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}
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static void gtk_cpu_destroy(GtkObject *object)
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{
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GtkCpu *cpu;
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GtkCpuClass *klass;
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g_return_if_fail(object != NULL);
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g_return_if_fail(GTK_IS_CPU(object));
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cpu = GTK_CPU(object);
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/*
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klass = gtk_type_class( gtk_widget_get_type() );
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if (GTK_OBJECT_CLASS(klass)->destroy) {
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(* GTK_OBJECT_CLASS(klass)->destroy) (object);
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}
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*/
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}
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