From: XiongZhang <[email protected]>

Signed-off-by: Xiong Zhang <[email protected]>
Reviewed-by: Kristian Hogsberg <[email protected]>
---
 clients/terminal.c | 85 ++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 67 insertions(+), 18 deletions(-)

diff --git a/clients/terminal.c b/clients/terminal.c
index e7dcd91..94dcb4b 100644
--- a/clients/terminal.c
+++ b/clients/terminal.c
@@ -467,7 +467,7 @@ struct terminal {
        uint32_t hide_cursor_serial;
 
        struct wl_data_source *selection;
-       uint32_t button_time;
+       uint32_t click_time;
        int dragging, click_count;
        int selection_start_x, selection_start_y;
        int selection_end_x, selection_end_y;
@@ -2688,33 +2688,41 @@ show_menu(struct terminal *terminal, struct input 
*input, uint32_t time)
 }
 
 static void
+click_handler(struct widget *widget, struct terminal *terminal,
+               struct input *input, int32_t x, int32_t y,
+               uint32_t time)
+{
+       if (time - terminal->click_time < 500)
+               terminal->click_count++;
+       else
+               terminal->click_count = 1;
+
+       terminal->click_time = time;
+       terminal->dragging =
+                       (terminal->click_count - 1) % 3 + SELECT_CHAR;
+
+       terminal->selection_end_x =
+               terminal->selection_start_x = x;
+       terminal->selection_end_y =
+               terminal->selection_start_y = y;
+       if (recompute_selection(terminal))
+                       widget_schedule_redraw(widget);
+}
+
+static void
 button_handler(struct widget *widget,
               struct input *input, uint32_t time,
               uint32_t button,
               enum wl_pointer_button_state state, void *data)
 {
        struct terminal *terminal = data;
+       int32_t x, y;
 
        switch (button) {
        case BTN_LEFT:
                if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
-
-                       if (time - terminal->button_time < 500)
-                               terminal->click_count++;
-                       else
-                               terminal->click_count = 1;
-
-                       terminal->button_time = time;
-                       terminal->dragging =
-                               (terminal->click_count - 1) % 3 + SELECT_CHAR;
-
-                       input_get_position(input,
-                                          &terminal->selection_start_x,
-                                          &terminal->selection_start_y);
-                       terminal->selection_end_x = terminal->selection_start_x;
-                       terminal->selection_end_y = terminal->selection_start_y;
-                       if (recompute_selection(terminal))
-                               widget_schedule_redraw(widget);
+                       input_get_position(input, &x, &y);
+                       click_handler(widget, terminal, input, x, y, time);
                } else {
                        terminal->dragging = SELECT_NONE;
                }
@@ -2768,6 +2776,44 @@ output_handler(struct window *window, struct output 
*output, int enter,
        window_schedule_redraw(window);
 }
 
+static void
+touch_down_handler(struct widget *widget, struct input *input,
+               uint32_t serial, uint32_t time, int32_t id,
+               float x, float y, void *data)
+{
+       struct terminal *terminal = data;
+
+       if (id == 0)
+               click_handler(widget, terminal, input,
+                               (int32_t)x, (int32_t)y, time);
+}
+
+static void
+touch_up_handler(struct widget *widget, struct input *input,
+               uint32_t serial, uint32_t time, int32_t id, void *data)
+{
+       struct terminal *terminal = data;
+
+       if (id == 0)
+               terminal->dragging = SELECT_NONE;
+}
+
+static void
+touch_motion_handler(struct widget *widget, struct input *input,
+               uint32_t time, int32_t id, float x, float y, void *data)
+{
+       struct terminal *terminal = data;
+
+       if (terminal->dragging &&
+               id == 0) {
+               terminal->selection_end_x = (int)x;
+               terminal->selection_end_y = (int)y;
+
+               if (recompute_selection(terminal))
+                       widget_schedule_redraw(widget);
+       }
+}
+
 #ifndef howmany
 #define howmany(x, y) (((x) + ((y) - 1)) / (y))
 #endif
@@ -2815,6 +2861,9 @@ terminal_create(struct display *display)
        widget_set_button_handler(terminal->widget, button_handler);
        widget_set_enter_handler(terminal->widget, enter_handler);
        widget_set_motion_handler(terminal->widget, motion_handler);
+       widget_set_touch_up_handler(terminal->widget, touch_up_handler);
+       widget_set_touch_down_handler(terminal->widget, touch_down_handler);
+       widget_set_touch_motion_handler(terminal->widget, touch_motion_handler);
 
        surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 0, 0);
        cr = cairo_create(surface);
-- 
1.8.3.2

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