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React to mouse wheel scrolling

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This commit is contained in:
Přemysl Eric Janouch 2015-02-07 20:36:45 +01:00
parent 4730cc47e1
commit 627248bd1f
1 changed files with 44 additions and 32 deletions
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76
src/sdtui.c
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@ -716,38 +716,6 @@ app_process_resize (Application *self)
return TRUE;
}
/** Process mouse input. */
static gboolean
app_process_mouse (Application *self, termo_key_t *event)
{
int line, column, button;
termo_mouse_event_t type;
termo_interpret_mouse (self->tk, event, &type, &button, &line, &column);
if (type != TERMO_MOUSE_PRESS || button != 1)
return TRUE;
SAVE_CURSOR
if (line == 0)
{
gsize label_len = g_utf8_strlen (self->search_label, -1);
gint pos = column - label_len;
if (pos >= 0)
{
self->input_pos = MIN ((guint) pos, self->input->len);
move (0, label_len + self->input_pos);
refresh ();
}
}
else if (line <= (int) (app_count_view_items (self) - self->top_offset))
{
self->selected = line - 1;
app_redraw_view (self);
RESTORE_CURSOR
}
return TRUE;
}
// --- User input handling -----------------------------------------------------
/** All the actions that can be performed by the user. */
@ -1087,6 +1055,50 @@ app_process_key (Application *self, termo_key_t *event)
return TRUE;
}
static void
app_process_left_mouse_click (Application *self, int line, int column)
{
SAVE_CURSOR
if (line == 0)
{
gsize label_len = g_utf8_strlen (self->search_label, -1);
gint pos = column - label_len;
if (pos >= 0)
{
self->input_pos = MIN ((guint) pos, self->input->len);
move (0, label_len + self->input_pos);
refresh ();
}
}
else if (line <= (int) (app_count_view_items (self) - self->top_offset))
{
self->selected = line - 1;
app_redraw_view (self);
RESTORE_CURSOR
}
}
/** Process mouse input. */
static gboolean
app_process_mouse (Application *self, termo_key_t *event)
{
int line, column, button;
termo_mouse_event_t type;
termo_interpret_mouse (self->tk, event, &type, &button, &line, &column);
if (type != TERMO_MOUSE_PRESS)
return TRUE;
if (button == 1)
app_process_left_mouse_click (self, line, column);
else if (button == 4)
app_process_user_action (self, USER_ACTION_GOTO_DEFINITION_PREVIOUS);
else if (button == 5)
app_process_user_action (self, USER_ACTION_GOTO_DEFINITION_NEXT);
return TRUE;
}
/** Process input events from the terminal. */
static gboolean
app_process_termo_event (Application *self, termo_key_t *event)