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When clicking in the margin/border area of a window map the click to the nearest cell in the window. Avoids selection with the mouse failing when starting the selection just outside the window.

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Kovid Goyal 2018-07-06 12:32:08 +05:30
parent b50f621e61
commit c8b1e76783
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2 changed files with 34 additions and 0 deletions
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4
docs/changelog.rst
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@ -15,6 +15,10 @@ Changelog
- When dragging to select with the mouse "grab" the mouse so that if it strays
into neighboring windows, the selection is still updated (:pull:`624`)
- When clicking in the margin/border area of a window map the click to the
nearest cell in the window. Avoids selection with the mouse failing when
starting the selection just outside the window.
0.11.2 [2018-07-01]
------------------------------

30
kitty/mouse.c
View File

@ -119,6 +119,14 @@ contains_mouse(Window *w, OSWindow *os_window) {
return (w->visible && window_left(w, os_window) <= x && x <= window_right(w, os_window) && window_top(w, os_window) <= y && y <= window_bottom(w, os_window));
}
static inline double
distance_to_window(Window *w, OSWindow *os_window) {
double x = global_state.callback_os_window->mouse_x, y = global_state.callback_os_window->mouse_y;
double cx = (window_left(w, os_window) + window_right(w, os_window)) / 2.0;
double cy = (window_top(w, os_window) + window_bottom(w, os_window)) / 2.0;
return (x - cx) * (x - cx) + (y - cy) * (y - cy);
}
static bool clamp_to_window = false;
static inline bool
@ -414,7 +422,21 @@ window_for_event(unsigned int *window_idx, bool *in_tab_bar) {
}
}
return NULL;
}
static inline Window*
closest_window_for_event(unsigned int *window_idx) {
Window *ans = NULL;
double closest_distance = UINT_MAX;
if (global_state.callback_os_window->num_tabs > 0) {
Tab *t = global_state.callback_os_window->tabs + global_state.callback_os_window->active_tab;
for (unsigned int i = 0; i < t->num_windows; i++) {
Window *w = t->windows + i;
double d = distance_to_window(w, global_state.callback_os_window);
if (d < closest_distance) { ans = w; closest_distance = d; *window_idx = i; }
}
}
return ans;
}
void
@ -453,6 +475,14 @@ mouse_event(int button, int modifiers) {
handle_tab_bar_mouse(button, modifiers);
} else if(w) {
handle_event(w, button, modifiers, window_idx);
} else if (button == GLFW_MOUSE_BUTTON_LEFT && global_state.callback_os_window->mouse_button_pressed[button]) {
// initial click, clamp it to the closest window
w = closest_window_for_event(&window_idx);
if (w) {
clamp_to_window = true;
handle_event(w, button, modifiers, window_idx);
clamp_to_window = false;
}
}
if (mouse_cursor_shape != old_cursor) {
set_mouse_cursor(mouse_cursor_shape);