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Move the scroll event handler to C

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Kovid Goyal
2017-09-14 16:08:02 +05:30
parent 11bb21e8a4
commit b9ac13c379
4 changed files with 51 additions and 20 deletions
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54
kitty/mouse.c
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@@ -8,6 +8,7 @@
#include "state.h"
#include "screen.h"
#include "lineops.h"
#include <math.h>
#include <GLFW/glfw3.h>
extern void set_mouse_cursor(MouseShape);
@@ -203,23 +204,56 @@ handle_tab_bar_mouse(int button, int UNUSED modifiers) {
call_boss(activate_tab_at, "d", global_state.mouse_x);
}
void
mouse_event(int button, int modifiers) {
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;
if (in_tab_bar) {
mouse_cursor_shape = HAND;
handle_tab_bar_mouse(button, modifiers);
} else {
static inline Window*
window_for_event(unsigned int *window_idx, bool *in_tab_bar) {
*in_tab_bar = global_state.num_tabs > 1 && global_state.mouse_y >= global_state.viewport_height - global_state.cell_height ? true : false;
if (!*in_tab_bar) {
Tab *t = global_state.tabs + global_state.active_tab;
for (unsigned int i = 0; i < t->num_windows; i++) {
if (contains_mouse(t->windows + i) && t->windows[i].render_data.screen) {
handle_event(t->windows + i, button, modifiers, i);
break;
*window_idx = i; return t->windows + i;
}
}
}
return NULL;
}
void
mouse_event(int button, int modifiers) {
MouseShape old_cursor = mouse_cursor_shape;
bool in_tab_bar;
unsigned int window_idx;
Window *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);
}
if (mouse_cursor_shape != old_cursor) {
set_mouse_cursor(mouse_cursor_shape);
}
}
void
scroll_event(double UNUSED xoffset, double yoffset) {
int s = (int) round(yoffset * OPT(wheel_scroll_multiplier));
if (s == 0) return;
bool upwards = s > 0 ? true : false;
bool in_tab_bar;
unsigned int window_idx;
Window *w = window_for_event(&window_idx, &in_tab_bar);
if (w) {
Screen *screen = w->render_data.screen;
if (screen->linebuf == screen->main_linebuf) {
screen_history_scroll(screen, abs(s), upwards);
} else {
if (screen->modes.mouse_tracking_mode) {
// TODO: Implement this
} else {
// TODO: Implement this, writing a up arrow or down arrow key event to the child
}
}
}
}