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Draw some kind of profile for the (first) dive

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This is all kinds of broken: it doesn't actually follow the selected
dive, and the profile isn't scaled properly etc.  But it shows something
new, and not just text.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2011-08-31 08:47:13 -07:00
parent 446e51ccf0
commit 3aa54e206a
1 changed files with 43 additions and 12 deletions
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55
main.c
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@ -76,14 +76,6 @@ static void on_destroy(GtkWidget* w, gpointer data)
gtk_main_quit();
}
static gboolean on_expose(GtkWidget* w, GdkEventExpose* e, gpointer data)
{
cairo_t* cr;
cr = gdk_cairo_create(w->window);
cairo_destroy(cr);
return FALSE;
}
static GtkTreeModel *fill_dive_list(void)
{
int i;
@ -104,6 +96,35 @@ static GtkTreeModel *fill_dive_list(void)
return GTK_TREE_MODEL(store);
}
static gboolean expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
{
struct dive *dive = dive_table.dives[0];
cairo_t *cr;
int i;
cr = gdk_cairo_create(widget->window);
cairo_set_source_rgb(cr, 0, 0, 0);
gdk_cairo_rectangle(cr, &event->area);
cairo_fill(cr);
cairo_set_line_width(cr, 3);
cairo_set_source_rgb(cr, 1, 1, 1);
if (dive->samples) {
struct sample *sample = dive->sample;
cairo_move_to(cr, sample->time.seconds / 5, to_feet(sample->depth) * 3);
for (i = 1; i < dive->samples; i++) {
sample++;
cairo_line_to(cr, sample->time.seconds / 5, to_feet(sample->depth) * 3);
}
cairo_stroke(cr);
}
cairo_destroy(cr);
return FALSE;
}
static GtkWidget *create_dive_list(void)
{
GtkWidget *list;
@ -129,6 +150,8 @@ int main(int argc, char **argv)
GtkWidget *divelist;
GtkWidget *vbox;
GtkWidget *scrolled_window;
GtkWidget *frame;
GtkWidget *da;
parse_xml_init();
@ -148,21 +171,29 @@ int main(int argc, char **argv)
win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
g_signal_connect(G_OBJECT(win), "destroy", G_CALLBACK(on_destroy), NULL);
g_signal_connect(G_OBJECT(win), "expose-event", G_CALLBACK(on_expose), NULL);
/* VBOX for the list of dives */
vbox=gtk_vbox_new(FALSE, 5);
/* HBOX for the list of dives and cairo window */
vbox=gtk_hbox_new(FALSE, 5);
gtk_container_set_border_width(GTK_CONTAINER(vbox), 5);
gtk_container_add(GTK_CONTAINER(win), vbox);
gtk_widget_show(vbox);
/* Scrolled window for the list goes into the vbox.. */
scrolled_window=gtk_scrolled_window_new(NULL, NULL);
gtk_widget_set_usize(scrolled_window, 250, 350);
gtk_widget_set_usize(scrolled_window, 150, 350);
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_container_add(GTK_CONTAINER(vbox), scrolled_window);
gtk_widget_show(scrolled_window);
/* Frame for dive profile */
frame = gtk_frame_new("Dive profile");
gtk_container_add(GTK_CONTAINER(vbox), frame);
gtk_widget_show(frame);
da = gtk_drawing_area_new();
gtk_widget_set_size_request(da, 450, 350);
gtk_container_add(GTK_CONTAINER(frame), da);
g_signal_connect(da, "expose_event", G_CALLBACK(expose_event), NULL);
/* Create the atual divelist */
divelist = create_dive_list();