790 lines
29 KiB
C
790 lines
29 KiB
C
/*
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* mouse.c
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* Copyright (C) 2017 Kovid Goyal <kovid at kovidgoyal.net>
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*
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* Distributed under terms of the GPL3 license.
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*/
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#include "state.h"
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#include "screen.h"
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#include "lineops.h"
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#include "charsets.h"
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#include <limits.h>
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#include <math.h>
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#include "glfw-wrapper.h"
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#include "control-codes.h"
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#include "monotonic.h"
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extern PyTypeObject Screen_Type;
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static MouseShape mouse_cursor_shape = BEAM;
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typedef enum MouseActions { PRESS, RELEASE, DRAG, MOVE } MouseAction;
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// Encoding of mouse events {{{
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#define SHIFT_INDICATOR (1 << 2)
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#define ALT_INDICATOR (1 << 3)
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#define CONTROL_INDICATOR (1 << 4)
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#define MOTION_INDICATOR (1 << 5)
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#define SCROLL_BUTTON_INDICATOR (1 << 6)
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#define EXTRA_BUTTON_INDICATOR (1 << 7)
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static inline unsigned int
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button_map(int button) {
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switch(button) {
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case GLFW_MOUSE_BUTTON_LEFT:
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return 1;
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case GLFW_MOUSE_BUTTON_RIGHT:
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return 3;
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case GLFW_MOUSE_BUTTON_MIDDLE:
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return 2;
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case GLFW_MOUSE_BUTTON_4:
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case GLFW_MOUSE_BUTTON_5:
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case GLFW_MOUSE_BUTTON_6:
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case GLFW_MOUSE_BUTTON_7:
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case GLFW_MOUSE_BUTTON_8:
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return button + 5;
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default:
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return UINT_MAX;
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}
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}
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static inline unsigned int
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encode_button(unsigned int button) {
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if (button >= 8 && button <= 11) {
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return (button - 8) | EXTRA_BUTTON_INDICATOR;
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} else if (button >= 4 && button <= 7) {
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return (button - 4) | SCROLL_BUTTON_INDICATOR;
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} else if (button >= 1 && button <= 3) {
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return button - 1;
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} else {
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return UINT_MAX;
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}
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}
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static char mouse_event_buf[64];
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static inline int
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encode_mouse_event_impl(unsigned int x, unsigned int y, int mouse_tracking_protocol, int button, MouseAction action, int mods) {
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unsigned int cb = 0;
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if (action == MOVE) {
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cb = 3;
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} else {
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cb = encode_button(button);
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if (cb == UINT_MAX) return 0;
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}
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if (action == DRAG || action == MOVE) cb |= MOTION_INDICATOR;
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else if (action == RELEASE && mouse_tracking_protocol != SGR_PROTOCOL) cb = 3;
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if (mods & GLFW_MOD_SHIFT) cb |= SHIFT_INDICATOR;
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if (mods & GLFW_MOD_ALT) cb |= ALT_INDICATOR;
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if (mods & GLFW_MOD_CONTROL) cb |= CONTROL_INDICATOR;
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switch(mouse_tracking_protocol) {
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case SGR_PROTOCOL:
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return snprintf(mouse_event_buf, sizeof(mouse_event_buf), "<%d;%d;%d%s", cb, x, y, action == RELEASE ? "m" : "M");
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break;
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case URXVT_PROTOCOL:
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return snprintf(mouse_event_buf, sizeof(mouse_event_buf), "%d;%d;%dM", cb + 32, x, y);
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break;
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case UTF8_PROTOCOL:
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mouse_event_buf[0] = 'M'; mouse_event_buf[1] = cb + 32;
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unsigned int sz = 2;
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sz += encode_utf8(x + 32, mouse_event_buf + sz);
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sz += encode_utf8(y + 32, mouse_event_buf + sz);
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return sz;
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break;
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default:
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if (x > 223 || y > 223) return 0;
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else {
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mouse_event_buf[0] = 'M'; mouse_event_buf[1] = cb + 32; mouse_event_buf[2] = x + 32; mouse_event_buf[3] = y + 32;
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return 4;
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}
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break;
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}
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return 0;
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}
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static int
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encode_mouse_event(Window *w, int button, MouseAction action, int mods) {
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unsigned int x = w->mouse_pos.cell_x + 1, y = w->mouse_pos.cell_y + 1; // 1 based indexing
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Screen *screen = w->render_data.screen;
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return encode_mouse_event_impl(x, y, screen->modes.mouse_tracking_protocol, button, action, mods);
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}
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static int
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encode_mouse_button(Window *w, int button, MouseAction action, int mods) {
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return encode_mouse_event(w, button_map(button), action, mods);
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}
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static int
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encode_mouse_scroll(Window *w, bool upwards, int mods) {
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return encode_mouse_event(w, upwards ? 4 : 5, PRESS, mods);
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}
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// }}}
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static inline unsigned int
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window_left(Window *w) {
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return w->geometry.left - w->padding.left;
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}
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static inline unsigned int
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window_right(Window *w) {
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return w->geometry.right + w->padding.right;
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}
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static inline unsigned int
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window_top(Window *w) {
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return w->geometry.top - w->padding.top;
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}
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static inline unsigned int
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window_bottom(Window *w) {
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return w->geometry.bottom + w->padding.bottom;
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}
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static inline bool
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contains_mouse(Window *w) {
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double x = global_state.callback_os_window->mouse_x, y = global_state.callback_os_window->mouse_y;
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return (w->visible && window_left(w) <= x && x <= window_right(w) && window_top(w) <= y && y <= window_bottom(w));
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}
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static inline double
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distance_to_window(Window *w) {
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double x = global_state.callback_os_window->mouse_x, y = global_state.callback_os_window->mouse_y;
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double cx = (window_left(w) + window_right(w)) / 2.0;
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double cy = (window_top(w) + window_bottom(w)) / 2.0;
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return (x - cx) * (x - cx) + (y - cy) * (y - cy);
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}
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static bool clamp_to_window = false;
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static inline bool
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cell_for_pos(Window *w, unsigned int *x, unsigned int *y, bool *in_left_half_of_cell, OSWindow *os_window) {
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WindowGeometry *g = &w->geometry;
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Screen *screen = w->render_data.screen;
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if (!screen) return false;
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unsigned int qx = 0, qy = 0;
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bool in_left_half = true;
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double mouse_x = global_state.callback_os_window->mouse_x;
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double mouse_y = global_state.callback_os_window->mouse_y;
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double left = window_left(w), top = window_top(w), right = window_right(w), bottom = window_bottom(w);
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if (clamp_to_window) {
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mouse_x = MIN(MAX(mouse_x, left), right);
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mouse_y = MIN(MAX(mouse_y, top), bottom);
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}
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w->mouse_pos.x = mouse_x - left; w->mouse_pos.y = mouse_y - top;
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if (mouse_x < left || mouse_y < top || mouse_x > right || mouse_y > bottom) return false;
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if (mouse_x >= g->right) {
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qx = screen->columns - 1;
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in_left_half = false;
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} else if (mouse_x >= g->left) {
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double xval = (double)(mouse_x - g->left) / os_window->fonts_data->cell_width;
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double fxval = floor(xval);
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qx = (unsigned int)fxval;
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in_left_half = (xval - fxval <= 0.5) ? true : false;
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}
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if (mouse_y >= g->bottom) qy = screen->lines - 1;
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else if (mouse_y >= g->top) qy = (unsigned int)((double)(mouse_y - g->top) / os_window->fonts_data->cell_height);
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if (qx < screen->columns && qy < screen->lines) {
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*x = qx; *y = qy;
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*in_left_half_of_cell = in_left_half;
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return true;
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}
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return false;
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}
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#define HANDLER(name) static inline void name(Window UNUSED *w, int UNUSED button, int UNUSED modifiers, unsigned int UNUSED window_idx)
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static inline void
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update_drag(bool from_button, Window *w, bool is_release, int modifiers) {
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Screen *screen = w->render_data.screen;
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if (from_button) {
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if (is_release) {
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global_state.active_drag_in_window = 0;
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w->last_drag_scroll_at = 0;
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if (screen->selection.in_progress)
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screen_update_selection(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y, w->mouse_pos.in_left_half_of_cell, true, false);
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}
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else {
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global_state.active_drag_in_window = w->id;
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screen_start_selection(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y, w->mouse_pos.in_left_half_of_cell, modifiers == (int)OPT(rectangle_select_modifiers) || modifiers == ((int)OPT(rectangle_select_modifiers) | (int)OPT(terminal_select_modifiers)), EXTEND_CELL);
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}
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} else if (screen->selection.in_progress) {
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screen_update_selection(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y, w->mouse_pos.in_left_half_of_cell, false, false);
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}
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}
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static inline bool
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do_drag_scroll(Window *w, bool upwards) {
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Screen *screen = w->render_data.screen;
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if (screen->linebuf == screen->main_linebuf) {
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screen_history_scroll(screen, SCROLL_LINE, upwards);
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update_drag(false, w, false, 0);
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if (mouse_cursor_shape != ARROW) {
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mouse_cursor_shape = ARROW;
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set_mouse_cursor(mouse_cursor_shape);
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}
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return true;
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}
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return false;
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}
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bool
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drag_scroll(Window *w, OSWindow *frame) {
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unsigned int margin = frame->fonts_data->cell_height / 2;
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double y = frame->mouse_y;
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bool upwards = y <= (w->geometry.top + margin);
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if (upwards || y >= w->geometry.bottom - margin) {
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if (do_drag_scroll(w, upwards)) {
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frame->last_mouse_activity_at = monotonic();
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return true;
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}
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}
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return false;
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}
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static inline void
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extend_selection(Window *w, bool ended) {
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Screen *screen = w->render_data.screen;
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if (screen_has_selection(screen)) {
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screen_update_selection(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y, w->mouse_pos.in_left_half_of_cell, ended, false);
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}
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}
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static inline void
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extend_url(Screen *screen, Line *line, index_type *x, index_type *y, char_type sentinel) {
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unsigned int count = 0;
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while(count++ < 10) {
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if (*x != line->xnum - 1) break;
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bool next_line_starts_with_url_chars = false;
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line = screen_visual_line(screen, *y + 2);
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if (line) next_line_starts_with_url_chars = line_startswith_url_chars(line);
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line = screen_visual_line(screen, *y + 1);
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if (!line) break;
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// we deliberately allow non-continued lines as some programs, like
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// mutt split URLs with newlines at line boundaries
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index_type new_x = line_url_end_at(line, 0, false, sentinel, next_line_starts_with_url_chars);
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if (!new_x) break;
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*y += 1; *x = new_x;
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}
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}
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static inline char_type
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get_url_sentinel(Line *line, index_type url_start) {
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char_type before = 0, sentinel;
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if (url_start > 0 && url_start < line->xnum) before = line->cpu_cells[url_start - 1].ch;
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switch(before) {
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case '"':
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case '\'':
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case '*':
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sentinel = before; break;
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case '(':
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sentinel = ')'; break;
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case '[':
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sentinel = ']'; break;
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case '{':
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sentinel = '}'; break;
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case '<':
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sentinel = '>'; break;
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default:
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sentinel = 0; break;
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}
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return sentinel;
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}
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static inline void
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set_mouse_cursor_for_screen(Screen *screen) {
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mouse_cursor_shape = screen->modes.mouse_tracking_mode == NO_TRACKING ? BEAM : OPT(pointer_shape_when_grabbed);
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}
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static inline void
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detect_url(Screen *screen, unsigned int x, unsigned int y) {
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bool has_url = false;
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index_type url_start, url_end = 0;
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Line *line = screen_visual_line(screen, y);
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char_type sentinel;
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if (line) {
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url_start = line_url_start_at(line, x);
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sentinel = get_url_sentinel(line, url_start);
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if (url_start < line->xnum) {
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bool next_line_starts_with_url_chars = false;
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if (y < screen->lines - 1) {
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line = screen_visual_line(screen, y+1);
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next_line_starts_with_url_chars = line_startswith_url_chars(line);
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line = screen_visual_line(screen, y);
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}
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url_end = line_url_end_at(line, x, true, sentinel, next_line_starts_with_url_chars);
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}
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has_url = url_end > url_start;
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}
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if (has_url) {
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mouse_cursor_shape = HAND;
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index_type y_extended = y;
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extend_url(screen, line, &url_end, &y_extended, sentinel);
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screen_mark_url(screen, url_start, y, url_end, y_extended);
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} else {
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set_mouse_cursor_for_screen(screen);
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screen_mark_url(screen, 0, 0, 0, 0);
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}
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}
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static inline void
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handle_mouse_movement_in_kitty(Window *w, int button, bool mouse_cell_changed) {
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Screen *screen = w->render_data.screen;
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if (screen->selection.in_progress && (button == GLFW_MOUSE_BUTTON_LEFT || button == GLFW_MOUSE_BUTTON_RIGHT)) {
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monotonic_t now = monotonic();
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if ((now - w->last_drag_scroll_at) >= ms_to_monotonic_t(20ll) || mouse_cell_changed) {
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update_drag(false, w, false, 0);
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w->last_drag_scroll_at = now;
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}
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}
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}
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HANDLER(handle_move_event) {
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unsigned int x = 0, y = 0;
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if (OPT(focus_follows_mouse)) {
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Tab *t = global_state.callback_os_window->tabs + global_state.callback_os_window->active_tab;
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if (window_idx != t->active_window) {
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call_boss(switch_focus_to, "K", t->windows[window_idx].id);
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}
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}
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bool in_left_half_of_cell = false;
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if (!cell_for_pos(w, &x, &y, &in_left_half_of_cell, global_state.callback_os_window)) return;
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Screen *screen = w->render_data.screen;
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detect_url(screen, x, y);
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bool mouse_cell_changed = x != w->mouse_pos.cell_x || y != w->mouse_pos.cell_y;
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bool cell_half_changed = in_left_half_of_cell != w->mouse_pos.in_left_half_of_cell;
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w->mouse_pos.cell_x = x; w->mouse_pos.cell_y = y;
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w->mouse_pos.in_left_half_of_cell = in_left_half_of_cell;
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bool in_tracking_mode = (
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screen->modes.mouse_tracking_mode == ANY_MODE ||
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(screen->modes.mouse_tracking_mode == MOTION_MODE && button >= 0));
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bool has_terminal_select_modifiers = modifiers == (int)OPT(terminal_select_modifiers) || modifiers == ((int)OPT(rectangle_select_modifiers) | (int)OPT(terminal_select_modifiers));
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bool handle_in_kitty = !in_tracking_mode || has_terminal_select_modifiers;
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if (handle_in_kitty) {
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handle_mouse_movement_in_kitty(w, button, mouse_cell_changed | cell_half_changed);
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} else {
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if (!mouse_cell_changed) return;
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int sz = encode_mouse_button(w, MAX(0, button), button >=0 ? DRAG : MOVE, modifiers);
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if (sz > 0) { mouse_event_buf[sz] = 0; write_escape_code_to_child(screen, CSI, mouse_event_buf); }
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}
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}
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static inline void
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multi_click(Window *w, unsigned int count) {
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Screen *screen = w->render_data.screen;
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index_type start, end;
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SelectionExtendMode mode = EXTEND_CELL;
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unsigned int y1, y2;
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switch(count) {
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case 2:
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if (screen_selection_range_for_word(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y, &y1, &y2, &start, &end, true)) mode = EXTEND_WORD;
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break;
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case 3:
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if (screen_selection_range_for_line(screen, w->mouse_pos.cell_y, &start, &end)) mode = EXTEND_LINE;
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break;
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default:
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break;
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}
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if (mode != EXTEND_CELL) {
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screen_start_selection(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y, w->mouse_pos.in_left_half_of_cell, false, mode);
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screen_update_selection(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y, w->mouse_pos.in_left_half_of_cell, false, true);
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}
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}
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static inline double
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distance(double x1, double y1, double x2, double y2) {
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return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
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}
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static inline void
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clear_click_queue(Window *w) {
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w->click_queue.length = 0;
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}
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HANDLER(add_click) {
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ClickQueue *q = &w->click_queue;
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if (q->length == CLICK_QUEUE_SZ) { memmove(q->clicks, q->clicks + 1, sizeof(Click) * (CLICK_QUEUE_SZ - 1)); q->length--; }
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monotonic_t now = monotonic();
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#define N(n) (q->clicks[q->length - n])
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N(0).at = now; N(0).button = button; N(0).modifiers = modifiers; N(0).x = w->mouse_pos.x; N(0).y = w->mouse_pos.y;
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q->length++;
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double multi_click_allowed_radius = 1.2 * (global_state.callback_os_window ? global_state.callback_os_window->fonts_data->cell_height : 20);
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// Now dispatch the multi-click if any
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if (q->length > 2) {
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// possible triple-click
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if (
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N(1).at - N(3).at <= 2 * OPT(click_interval) &&
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distance(N(1).x, N(1).y, N(3).x, N(3).y) <= multi_click_allowed_radius
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) {
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multi_click(w, 3);
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q->length = 0;
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}
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}
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if (q->length > 1) {
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// possible double-click
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if (
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N(1).at - N(2).at <= OPT(click_interval) &&
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distance(N(1).x, N(1).y, N(2).x, N(2).y) <= multi_click_allowed_radius
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|
) {
|
|
multi_click(w, 2);
|
|
}
|
|
}
|
|
#undef N
|
|
}
|
|
|
|
static inline void
|
|
open_url(Window *w) {
|
|
Screen *screen = w->render_data.screen;
|
|
detect_url(screen, w->mouse_pos.cell_x, w->mouse_pos.cell_y);
|
|
screen_open_url(screen);
|
|
}
|
|
|
|
static inline void
|
|
handle_button_event_in_kitty(Window *w, int button, int modifiers, bool is_release) {
|
|
switch(button) {
|
|
case GLFW_MOUSE_BUTTON_LEFT:
|
|
update_drag(true, w, is_release, modifiers);
|
|
if (is_release) {
|
|
if (modifiers == (int)OPT(open_url_modifiers)) open_url(w);
|
|
} else add_click(w, button, modifiers, 0);
|
|
break;
|
|
case GLFW_MOUSE_BUTTON_MIDDLE:
|
|
if (is_release) { call_boss(paste_from_selection, NULL); return; }
|
|
break;
|
|
case GLFW_MOUSE_BUTTON_RIGHT:
|
|
extend_selection(w, is_release);
|
|
break;
|
|
}
|
|
}
|
|
|
|
HANDLER(handle_button_event) {
|
|
Tab *t = global_state.callback_os_window->tabs + global_state.callback_os_window->active_tab;
|
|
bool is_release = !global_state.callback_os_window->mouse_button_pressed[button];
|
|
if (window_idx != t->active_window && !is_release) {
|
|
call_boss(switch_focus_to, "K", t->windows[window_idx].id);
|
|
}
|
|
Screen *screen = w->render_data.screen;
|
|
if (!screen) return;
|
|
const int ts1 = OPT(terminal_select_modifiers), ts2 = OPT(terminal_select_modifiers) | OPT(rectangle_select_modifiers);
|
|
bool handle_in_kitty = (
|
|
modifiers == ts1 || modifiers == ts2 ||
|
|
screen->modes.mouse_tracking_mode == 0 ||
|
|
(modifiers == (int)OPT(open_url_modifiers) && button == GLFW_MOUSE_BUTTON_LEFT)
|
|
);
|
|
if (handle_in_kitty) handle_button_event_in_kitty(w, button, modifiers, is_release);
|
|
else {
|
|
int sz = encode_mouse_button(w, button, is_release ? RELEASE : PRESS, modifiers);
|
|
if (sz > 0) { mouse_event_buf[sz] = 0; write_escape_code_to_child(screen, CSI, mouse_event_buf); }
|
|
}
|
|
}
|
|
|
|
static inline int
|
|
currently_pressed_button(void) {
|
|
for (int i = 0; i <= GLFW_MOUSE_BUTTON_8; i++) {
|
|
if (global_state.callback_os_window->mouse_button_pressed[i]) return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
HANDLER(handle_event) {
|
|
if (button == -1) {
|
|
button = currently_pressed_button();
|
|
handle_move_event(w, button, modifiers, window_idx);
|
|
} else {
|
|
handle_button_event(w, button, modifiers, window_idx);
|
|
}
|
|
}
|
|
|
|
static inline void
|
|
handle_tab_bar_mouse(int button, int UNUSED modifiers) {
|
|
if (button != GLFW_MOUSE_BUTTON_LEFT || !global_state.callback_os_window->mouse_button_pressed[button]) return;
|
|
call_boss(activate_tab_at, "Kd", global_state.callback_os_window->id, global_state.callback_os_window->mouse_x);
|
|
}
|
|
|
|
static inline bool
|
|
mouse_in_region(Region *r) {
|
|
if (r->left == r->right) return false;
|
|
if (global_state.callback_os_window->mouse_y < r->top || global_state.callback_os_window->mouse_y > r->bottom) return false;
|
|
if (global_state.callback_os_window->mouse_x < r->left || global_state.callback_os_window->mouse_x > r->right) return false;
|
|
return true;
|
|
}
|
|
|
|
static inline Window*
|
|
window_for_id(id_type window_id) {
|
|
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;
|
|
if (w->id == window_id) return w;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static inline Window*
|
|
window_for_event(unsigned int *window_idx, bool *in_tab_bar) {
|
|
Region central, tab_bar;
|
|
os_window_regions(global_state.callback_os_window, ¢ral, &tab_bar);
|
|
*in_tab_bar = mouse_in_region(&tab_bar);
|
|
if (!*in_tab_bar && 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++) {
|
|
if (contains_mouse(t->windows + i) && t->windows[i].render_data.screen) {
|
|
*window_idx = i;
|
|
return t->windows + i;
|
|
}
|
|
}
|
|
}
|
|
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;
|
|
if (w->visible) {
|
|
double d = distance_to_window(w);
|
|
if (d < closest_distance) { ans = w; closest_distance = d; *window_idx = i; }
|
|
}
|
|
}
|
|
}
|
|
return ans;
|
|
}
|
|
|
|
void
|
|
focus_in_event() {
|
|
// Ensure that no URL is highlighted and the mouse cursor is in default shape
|
|
bool in_tab_bar;
|
|
unsigned int window_idx = 0;
|
|
mouse_cursor_shape = BEAM;
|
|
Window *w = window_for_event(&window_idx, &in_tab_bar);
|
|
if (w && w->render_data.screen) {
|
|
screen_mark_url(w->render_data.screen, 0, 0, 0, 0);
|
|
set_mouse_cursor_for_screen(w->render_data.screen);
|
|
}
|
|
set_mouse_cursor(mouse_cursor_shape);
|
|
}
|
|
|
|
void
|
|
enter_event() {
|
|
#ifdef __APPLE__
|
|
// On cocoa there is no way to configure the window manager to
|
|
// focus windows on mouse enter, so we do it ourselves
|
|
if (OPT(focus_follows_mouse) && !global_state.callback_os_window->is_focused) {
|
|
focus_os_window(global_state.callback_os_window, false);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
mouse_event(int button, int modifiers, int action) {
|
|
MouseShape old_cursor = mouse_cursor_shape;
|
|
bool in_tab_bar;
|
|
unsigned int window_idx = 0;
|
|
Window *w = NULL;
|
|
if (global_state.active_drag_in_window) {
|
|
if (button == -1) { // drag move
|
|
w = window_for_id(global_state.active_drag_in_window);
|
|
if (w) {
|
|
button = currently_pressed_button();
|
|
if (button == GLFW_MOUSE_BUTTON_LEFT) {
|
|
clamp_to_window = true;
|
|
Tab *t = global_state.callback_os_window->tabs + global_state.callback_os_window->active_tab;
|
|
for (window_idx = 0; window_idx < t->num_windows && t->windows[window_idx].id != w->id; window_idx++);
|
|
handle_move_event(w, button, modifiers, window_idx);
|
|
clamp_to_window = false;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
else if (action == GLFW_RELEASE && button == GLFW_MOUSE_BUTTON_LEFT) {
|
|
w = window_for_id(global_state.active_drag_in_window);
|
|
if (w) {
|
|
update_drag(true, w, true, modifiers);
|
|
}
|
|
}
|
|
}
|
|
w = window_for_event(&window_idx, &in_tab_bar);
|
|
if (in_tab_bar) {
|
|
mouse_cursor_shape = HAND;
|
|
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);
|
|
}
|
|
}
|
|
|
|
void
|
|
scroll_event(double UNUSED xoffset, double yoffset, int flags, int modifiers) {
|
|
bool in_tab_bar;
|
|
static id_type window_for_momentum_scroll = 0;
|
|
static bool main_screen_for_momentum_scroll = false;
|
|
unsigned int window_idx = 0;
|
|
Window *w = window_for_event(&window_idx, &in_tab_bar);
|
|
if (!w && !in_tab_bar) {
|
|
// allow scroll events even if window is not currently focused (in
|
|
// which case on some platforms such as macOS the mouse location is zeroed so
|
|
// window_for_event() does not work).
|
|
Tab *t = global_state.callback_os_window->tabs + global_state.callback_os_window->active_tab;
|
|
if (t) w = t->windows + t->active_window;
|
|
}
|
|
if (!w) return;
|
|
Screen *screen = w->render_data.screen;
|
|
|
|
enum MomentumData { NoMomentumData, MomentumPhaseBegan, MomentumPhaseStationary, MomentumPhaseActive, MomentumPhaseEnded, MomentumPhaseCancelled, MomentumPhaseMayBegin };
|
|
enum MomentumData momentum_data = (flags >> 1) & 7;
|
|
|
|
switch(momentum_data) {
|
|
case NoMomentumData:
|
|
break;
|
|
case MomentumPhaseBegan:
|
|
window_for_momentum_scroll = w->id;
|
|
main_screen_for_momentum_scroll = screen->linebuf == screen->main_linebuf;
|
|
break;
|
|
case MomentumPhaseStationary:
|
|
case MomentumPhaseActive:
|
|
if (window_for_momentum_scroll != w->id || main_screen_for_momentum_scroll != (screen->linebuf == screen->main_linebuf)) return;
|
|
break;
|
|
case MomentumPhaseEnded:
|
|
case MomentumPhaseCancelled:
|
|
window_for_momentum_scroll = 0;
|
|
break;
|
|
case MomentumPhaseMayBegin:
|
|
default:
|
|
break;
|
|
}
|
|
if (yoffset == 0.0) return;
|
|
|
|
int s;
|
|
bool is_high_resolution = flags & 1;
|
|
|
|
if (is_high_resolution) {
|
|
yoffset *= OPT(touch_scroll_multiplier);
|
|
if (yoffset * screen->pending_scroll_pixels < 0) {
|
|
screen->pending_scroll_pixels = 0; // change of direction
|
|
}
|
|
double pixels = screen->pending_scroll_pixels + yoffset;
|
|
if (fabs(pixels) < global_state.callback_os_window->fonts_data->cell_height) {
|
|
screen->pending_scroll_pixels = pixels;
|
|
return;
|
|
}
|
|
s = (int)round(pixels) / (int)global_state.callback_os_window->fonts_data->cell_height;
|
|
screen->pending_scroll_pixels = pixels - s * (int) global_state.callback_os_window->fonts_data->cell_height;
|
|
} else {
|
|
if (screen->linebuf == screen->main_linebuf || !screen->modes.mouse_tracking_mode) {
|
|
// Only use wheel_scroll_multiplier if we are scrolling kitty scrollback or in mouse
|
|
// tracking mode, where the application is responsible for interpreting scroll events
|
|
yoffset *= OPT(wheel_scroll_multiplier);
|
|
} else if (OPT(wheel_scroll_multiplier) < 0) {
|
|
// ensure that changing scroll direction still works, even though
|
|
// we are not using wheel_scroll_multiplier
|
|
yoffset *= -1;
|
|
}
|
|
s = (int) round(yoffset);
|
|
// apparently on cocoa some mice generate really small yoffset values
|
|
// when scrolling slowly https://github.com/kovidgoyal/kitty/issues/1238
|
|
if (s == 0 && yoffset != 0) s = yoffset > 0 ? 1 : -1;
|
|
screen->pending_scroll_pixels = 0;
|
|
}
|
|
if (s == 0) return;
|
|
bool upwards = s > 0;
|
|
if (screen->linebuf == screen->main_linebuf) {
|
|
screen_history_scroll(screen, abs(s), upwards);
|
|
} else {
|
|
if (screen->modes.mouse_tracking_mode) {
|
|
int sz = encode_mouse_scroll(w, upwards, modifiers);
|
|
if (sz > 0) {
|
|
mouse_event_buf[sz] = 0;
|
|
for (s = abs(s); s > 0; s--) {
|
|
write_escape_code_to_child(screen, CSI, mouse_event_buf);
|
|
}
|
|
}
|
|
} else {
|
|
fake_scroll(w, abs(s), upwards);
|
|
}
|
|
}
|
|
}
|
|
|
|
static PyObject*
|
|
send_mouse_event(PyObject *self UNUSED, PyObject *args) {
|
|
Screen *screen;
|
|
unsigned int x, y;
|
|
int button, action, mods;
|
|
if (!PyArg_ParseTuple(args, "O!IIiii", &Screen_Type, &screen, &x, &y, &button, &action, &mods)) return NULL;
|
|
|
|
MouseTrackingMode mode = screen->modes.mouse_tracking_mode;
|
|
if (mode == ANY_MODE || (mode == MOTION_MODE && action != MOVE) || (mode == BUTTON_MODE && (action == PRESS || action == RELEASE))) {
|
|
int sz = encode_mouse_event_impl(x + 1, y + 1, screen->modes.mouse_tracking_protocol, button, action, mods);
|
|
if (sz > 0) {
|
|
mouse_event_buf[sz] = 0;
|
|
write_escape_code_to_child(screen, CSI, mouse_event_buf);
|
|
Py_RETURN_TRUE;
|
|
}
|
|
}
|
|
Py_RETURN_FALSE;
|
|
}
|
|
|
|
static PyObject*
|
|
test_encode_mouse(PyObject *self UNUSED, PyObject *args) {
|
|
unsigned int x, y;
|
|
int mouse_tracking_protocol, button, action, mods;
|
|
if (!PyArg_ParseTuple(args, "IIiiii", &x, &y, &mouse_tracking_protocol, &button, &action, &mods)) return NULL;
|
|
int sz = encode_mouse_event_impl(x, y, mouse_tracking_protocol, button, action, mods);
|
|
return PyUnicode_FromStringAndSize(mouse_event_buf, sz);
|
|
}
|
|
|
|
static PyObject*
|
|
send_mock_mouse_event_to_window(PyObject *self UNUSED, PyObject *args) {
|
|
PyObject *capsule;
|
|
int button, modifiers, is_release, clear_clicks, in_left_half_of_cell;
|
|
unsigned int x, y;
|
|
if (!PyArg_ParseTuple(args, "O!iipIIpp", &PyCapsule_Type, &capsule, &button, &modifiers, &is_release, &x, &y, &clear_clicks, &in_left_half_of_cell)) return NULL;
|
|
Window *w = PyCapsule_GetPointer(capsule, "Window");
|
|
if (!w) return NULL;
|
|
if (clear_clicks) clear_click_queue(w);
|
|
bool mouse_cell_changed = x != w->mouse_pos.cell_x || y != w->mouse_pos.cell_y || w->mouse_pos.in_left_half_of_cell != in_left_half_of_cell;
|
|
w->mouse_pos.x = 10 * x; w->mouse_pos.y = 20 * y;
|
|
w->mouse_pos.cell_x = x; w->mouse_pos.cell_y = y;
|
|
w->mouse_pos.in_left_half_of_cell = in_left_half_of_cell;
|
|
if (button < 0) {
|
|
if (button == -2) do_drag_scroll(w, true);
|
|
else if (button == -3) do_drag_scroll(w, false);
|
|
else handle_mouse_movement_in_kitty(w, GLFW_MOUSE_BUTTON_LEFT, mouse_cell_changed);
|
|
}
|
|
else {
|
|
handle_button_event_in_kitty(w, button, modifiers, (bool)is_release);
|
|
}
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
static PyMethodDef module_methods[] = {
|
|
METHODB(send_mouse_event, METH_VARARGS),
|
|
METHODB(test_encode_mouse, METH_VARARGS),
|
|
METHODB(send_mock_mouse_event_to_window, METH_VARARGS),
|
|
{NULL, NULL, 0, NULL} /* Sentinel */
|
|
};
|
|
|
|
bool
|
|
init_mouse(PyObject *module) {
|
|
PyModule_AddIntMacro(module, PRESS);
|
|
PyModule_AddIntMacro(module, RELEASE);
|
|
PyModule_AddIntMacro(module, DRAG);
|
|
PyModule_AddIntMacro(module, MOVE);
|
|
if (PyModule_AddFunctions(module, module_methods) != 0) return false;
|
|
return true;
|
|
}
|