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eeshow/gui/input.c: add tracing (-v -v -v); rename input_normal to input_idle

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This commit is contained in:
Werner Almesberger 2016-08-18 04:34:51 -03:00
parent 822a14fc55
commit fd18690498
1 changed files with 38 additions and 9 deletions
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47
eeshow/gui/input.c
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@ -18,6 +18,7 @@
#include <gtk/gtk.h> #include <gtk/gtk.h>
#include "misc/util.h" #include "misc/util.h"
#include "misc/diag.h"
#include "gui/input.h" #include "gui/input.h"
@ -29,7 +30,7 @@ static struct input {
void *user; void *user;
enum state { enum state {
input_normal, input_idle,
input_clicking, input_clicking,
input_ignoring, /* click rejected by moving the cursor */ input_ignoring, /* click rejected by moving the cursor */
input_hovering, input_hovering,
@ -43,6 +44,28 @@ static int curr_x, curr_y; /* last mouse position */
static int clicked_x, clicked_y; /* button down position */ static int clicked_x, clicked_y; /* button down position */
/* ----- Debugging tools --------------------------------------------------- */
static const char *state(void)
{
switch (sp->state) {
case input_idle:
return "IDLE";
case input_clicking:
return "CLICKING";
case input_ignoring:
return "IGNORING";
case input_hovering:
return "HOVERING";
case input_dragging:
return "DRAGGING";
default:
abort();
}
}
/* ----- Mouse button ------------------------------------------------------ */ /* ----- Mouse button ------------------------------------------------------ */
@ -57,8 +80,10 @@ static gboolean motion_notify_event(GtkWidget *widget, GdkEventMotion *event,
if (!sp) if (!sp)
return TRUE; return TRUE;
progress(3, "motion %s\n", state());
switch (sp->state) { switch (sp->state) {
case input_normal: case input_idle:
if (sp->ops->hover_begin && if (sp->ops->hover_begin &&
sp->ops->hover_begin(sp->user, event->x, event->y)) sp->ops->hover_begin(sp->user, event->x, event->y))
sp->state = input_hovering; sp->state = input_hovering;
@ -84,7 +109,7 @@ static gboolean motion_notify_event(GtkWidget *widget, GdkEventMotion *event,
/* Caution: hover_update may switch input layers */ /* Caution: hover_update may switch input layers */
if (sp->ops->hover_update(sp->user, event->x, event->y) && if (sp->ops->hover_update(sp->user, event->x, event->y) &&
sp == old_sp) { sp == old_sp) {
sp->state = input_normal; sp->state = input_idle;
if (sp->ops->hover_end) if (sp->ops->hover_end)
sp->ops->hover_end(sp->user); sp->ops->hover_end(sp->user);
} }
@ -111,8 +136,10 @@ static gboolean button_press_event(GtkWidget *widget, GdkEventButton *event,
if (event->button != 1) if (event->button != 1)
return TRUE; return TRUE;
progress(3, "press %s\n", state());
switch (sp->state) { switch (sp->state) {
case input_normal: case input_idle:
sp->state = input_clicking; sp->state = input_clicking;
clicked_x = event->x; clicked_x = event->x;
clicked_y = event->y; clicked_y = event->y;
@ -145,20 +172,22 @@ static gboolean button_release_event(GtkWidget *widget, GdkEventButton *event,
if (event->button != 1) if (event->button != 1)
return TRUE; return TRUE;
progress(3, "release %s\n", state());
switch (sp->state) { switch (sp->state) {
case input_normal: case input_idle:
/* hover_click changed the input configuration */ /* hover_click changed the input configuration */
break; break;
case input_clicking: case input_clicking:
sp->state = input_normal; sp->state = input_idle;
if (sp->ops->click) if (sp->ops->click)
sp->ops->click(sp->user, clicked_x, clicked_y); sp->ops->click(sp->user, clicked_x, clicked_y);
break; break;
case input_ignoring: case input_ignoring:
sp->state = input_normal; sp->state = input_idle;
break; break;
case input_dragging: case input_dragging:
sp->state = input_normal; sp->state = input_idle;
if (sp->ops->drag_end) if (sp->ops->drag_end)
sp->ops->drag_end(sp->user); sp->ops->drag_end(sp->user);
break; break;
@ -247,7 +276,7 @@ void input_push(const struct input_ops *ops, void *user)
new = alloc_type(struct input); new = alloc_type(struct input);
new->ops = ops; new->ops = ops;
new->user = user; new->user = user;
new->state = input_normal; new->state = input_idle;
new->next = sp; new->next = sp;
sp = new; sp = new;
} }