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wlt: terminal: implement mouse-selection

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This hooks up the mouse-selection with the tsm-screen selection support.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
This commit is contained in:
David Herrmann 2012-10-05 13:41:52 +02:00
parent 6ff8d809c5
commit 202fa3b766
1 changed files with 74 additions and 0 deletions
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74
src/wlt_terminal.c
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@ -28,6 +28,7 @@
*/
#include <errno.h>
#include <linux/input.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
@ -53,6 +54,7 @@ struct wlt_terminal {
struct wlt_window *wnd;
struct wlt_widget *widget;
struct wlt_shm_buffer buffer;
struct wlt_rect alloc;
struct tsm_screen *scr;
struct tsm_vte *vte;
@ -67,6 +69,10 @@ struct wlt_terminal {
wlt_terminal_cb cb;
void *data;
int pointer_x;
int pointer_y;
bool in_selection;
};
static int draw_cell(struct tsm_screen *scr,
@ -217,6 +223,7 @@ static void widget_resize(struct wlt_widget *widget, unsigned int flags,
int ret;
wlt_window_get_buffer(term->wnd, alloc, &term->buffer);
memcpy(&term->alloc, alloc, sizeof(*alloc));
/* don't allow children */
alloc->width = 0;
@ -392,6 +399,71 @@ static bool widget_key(struct wlt_widget *widget, unsigned int mask,
return false;
}
static void pointer_motion(struct wlt_widget *widget,
unsigned int x, unsigned int y, void *data)
{
struct wlt_terminal *term = data;
unsigned int posx, posy;
if (!wlt_rect_contains(&term->alloc, x, y)) {
term->pointer_x = -1;
term->pointer_y = -1;
return;
} else {
term->pointer_x = x - term->alloc.x;
term->pointer_y = y - term->alloc.y;
}
posx = term->pointer_x / term->font_normal->attr.width;
posy = term->pointer_y / term->font_normal->attr.height;
if (term->in_selection) {
tsm_screen_selection_target(term->scr, posx, posy);
wlt_window_schedule_redraw(term->wnd);
}
}
static void pointer_enter(struct wlt_widget *widget,
unsigned int x, unsigned int y, void *data)
{
struct wlt_terminal *term = data;
pointer_motion(widget, x, y, term);
}
static void pointer_leave(struct wlt_widget *widget, void *data)
{
struct wlt_terminal *term = data;
term->pointer_x = -1;
term->pointer_y = -1;
}
static void pointer_button(struct wlt_widget *widget,
uint32_t button, uint32_t state, void *data)
{
struct wlt_terminal *term = data;
unsigned int posx, posy;
if (button != BTN_LEFT)
return;
if (state == WL_POINTER_BUTTON_STATE_PRESSED) {
if (!term->in_selection &&
term->pointer_x >= 0 && term->pointer_y >= 0) {
term->in_selection = true;
posx = term->pointer_x / term->font_normal->attr.width;
posy = term->pointer_y / term->font_normal->attr.height;
tsm_screen_selection_start(term->scr, posx, posy);
wlt_window_schedule_redraw(term->wnd);
}
} else {
term->in_selection = false;
}
}
static void vte_event(struct tsm_vte *vte, const char *u8, size_t len,
void *data)
{
@ -511,6 +583,8 @@ int wlt_terminal_new(struct wlt_terminal **out, struct wlt_window *wnd)
wlt_widget_set_resize_cb(term->widget, widget_prepare_resize,
widget_resize);
wlt_widget_set_keyboard_cb(term->widget, widget_key);
wlt_widget_set_pointer_cb(term->widget, pointer_enter, pointer_leave,
pointer_motion, pointer_button);
*out = term;
return 0;