mirrors/kitty
1
0
Fork 0
mirror of https://github.com/kovidgoyal/kitty synced 2026-07-18 14:34:52 +02:00
Code Issues Packages Projects Releases Wiki Activity

Implement drag scrolling in C

Browse Source
This commit is contained in:
Kovid Goyal
2017-09-14 15:06:23 +05:30
parent a27004da35
commit 4feaf13556
7 changed files with 88 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
kitty/mouse.c
View File

@@ -10,8 +10,8 @@
#include "lineops.h"
#include <GLFW/glfw3.h>
extern void set_click_cursor(bool yes);
static bool has_click_cursor = false;
extern void set_mouse_cursor(MouseShape);
static MouseShape mouse_cursor_shape = BEAM;
#define call_boss(name, ...) { \
PyObject *cret_ = PyObject_CallMethod(global_state.boss, #name, __VA_ARGS__); \
@@ -52,12 +52,37 @@ update_drag(bool from_button, Window *w, bool is_release) {
}
}
bool
drag_scroll(Window *w) {
unsigned int margin = global_state.cell_height / 2;
double x = global_state.mouse_x, y = global_state.mouse_y;
if (y < w->geometry.top || y > w->geometry.bottom) return false;
if (x < w->geometry.left || x > w->geometry.right) return false;
bool upwards = y <= w->geometry.top + margin ? true : false;
if (upwards || y >= w->geometry.bottom - margin) {
Screen *screen = w->render_data.screen;
if (screen->linebuf == screen->main_linebuf) {
screen_history_scroll(screen, SCROLL_LINE, upwards);
update_drag(false, w, false);
global_state.last_mouse_activity_at = monotonic();
if (mouse_cursor_shape != ARROW) {
mouse_cursor_shape = ARROW;
set_mouse_cursor(mouse_cursor_shape);
}
return true;
}
}
return false;
}
HANDLER(handle_move_event) {
unsigned int x, y;
if (!cell_for_pos(w, &x, &y)) return;
Line *line = screen_visual_line(w->render_data.screen, y);
has_click_cursor = (line && line_url_start_at(line, x) < line->xnum) ? true : false;
if (x == w->mouse_cell_x && y == w->mouse_cell_y) return;
mouse_cursor_shape = (line && line_url_start_at(line, x) < line->xnum) ? HAND : BEAM;
bool mouse_cell_changed = x != w->mouse_cell_x || y != w->mouse_cell_y ? true : false;
w->mouse_cell_x = x; w->mouse_cell_y = y;
Screen *screen = w->render_data.screen;
bool handle_in_kitty = (
@@ -67,9 +92,14 @@ HANDLER(handle_move_event) {
) ? false : true;
if (handle_in_kitty) {
if (screen->selection.in_progress && button == GLFW_MOUSE_BUTTON_LEFT) {
update_drag(false, w, false);
double now = monotonic();
if ((now - w->last_drag_scroll_at) >= 0.02 || mouse_cell_changed) {
update_drag(false, w, false);
w->last_drag_scroll_at = monotonic();
}
}
} else {
if (!mouse_cell_changed) return;
// TODO: Implement this
}
}
@@ -174,11 +204,10 @@ handle_tab_bar_mouse(int button, int UNUSED modifiers) {
void
mouse_event(int button, int modifiers) {
bool old_has_click_cursor = has_click_cursor;
MouseShape old_cursor = mouse_cursor_shape;
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;
mouse_cursor_shape = HAND;
handle_tab_bar_mouse(button, modifiers);
} else {
Tab *t = global_state.tabs + global_state.active_tab;
@@ -189,7 +218,7 @@ mouse_event(int button, int modifiers) {
}
}
}
if (has_click_cursor != old_has_click_cursor) {
set_click_cursor(has_click_cursor);
if (mouse_cursor_shape != old_cursor) {
set_mouse_cursor(mouse_cursor_shape);
}
}