Start work on migrating the mouse handlers to C

2026-07-13 12:08:45 +02:00 · 2017-09-13 19:13:39 +05:30
parent 42329e5d46
commit 745b6222c2
10 changed files with 145 additions and 34 deletions
--- a/kitty/mouse.c
+++ b/kitty/mouse.c
@@ -0,0 +1,87 @@
+/*
+ * mouse.c
+ * Copyright (C) 2017 Kovid Goyal <kovid at kovidgoyal.net>
+ *
+ * Distributed under terms of the GPL3 license.
+ */
+
+#include "state.h"
+#include <GLFW/glfw3.h>
+
+extern void set_click_cursor(bool yes);
+static bool has_click_cursor = false;
+
+static inline bool
+contains_mouse(Window *w) {
+    WindowGeometry *g = &w->geometry;
+    double x = global_state.mouse_x, y = global_state.mouse_y;
+    return (w->visible && g->left <= x && x <= g->right && g->top <= y && y <= g->bottom) ? true : false;
+}
+
+static inline bool
+cell_for_pos(Window *w, unsigned int *x, unsigned int *y) {
+    unsigned int qx = (unsigned int)((double)global_state.mouse_x / global_state.cell_width);
+    unsigned int qy = (unsigned int)((double)global_state.mouse_x / global_state.cell_width);
+    bool ret = false;
+    Screen *screen = w->render_data.screen;
+    if (screen && qx <= screen->columns && qy <= screen->lines) {
+        *x = qx; *y = qy; ret = true;
+    }
+    return ret;
+}
+
+void 
+handle_move_event(Window *w, int UNUSED button, int UNUSED modifiers) {
+    unsigned int x, y;
+    if (cell_for_pos(w, &x, &y)) {
+        if (x != w->mouse_cell_x || y != w->mouse_cell_y) {
+            w->mouse_cell_x = x; w->mouse_cell_y = y;
+        }
+    }
+}
+
+void 
+handle_event(Window *w, int button, int modifiers) {
+    switch(button) {
+        case -1:
+            handle_move_event(w, button, modifiers);
+            break;
+        case GLFW_MOUSE_BUTTON_LEFT:  
+        case GLFW_MOUSE_BUTTON_RIGHT:
+        case GLFW_MOUSE_BUTTON_MIDDLE:
+        case GLFW_MOUSE_BUTTON_4:
+        case GLFW_MOUSE_BUTTON_5:
+            break;
+        default:
+            break;
+    }
+}
+
+void handle_tab_bar_mouse(int button, int UNUSED modifiers) {
+    if (button != GLFW_MOUSE_BUTTON_LEFT || !global_state.mouse_button_pressed[button]) return;
+    PyObject *ret = PyObject_CallMethod(global_state.boss, "activate_tab_at", "d", global_state.mouse_x);
+    if (ret == NULL) { PyErr_Print(); }
+    else Py_DECREF(ret);
+}
+
+void
+mouse_event(int button, int modifiers) {
+    bool old_has_click_cursor = has_click_cursor;
+    bool in_tab_bar = global_state.num_tabs > 1 && global_state.mouse_y >= global_state.viewport_height - global_state.cell_height ? true : false;
+    has_click_cursor = false;
+    if (in_tab_bar) { 
+        has_click_cursor = true;
+        handle_tab_bar_mouse(button, modifiers); 
+    } else {
+        Tab *t = global_state.tabs + global_state.active_tab;
+        for (size_t i = 0; i < t->num_windows; i++) {
+            if (contains_mouse(t->windows + i)) {
+                handle_event(t->windows + i, button, modifiers);
+                break;
+            }
+        }
+    }
+    if (has_click_cursor != old_has_click_cursor) {
+        set_click_cursor(has_click_cursor);
+    }
+}