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Fix moving views when resizing below min size

This commit is contained in:
emersion 2017-11-03 14:49:15 +01:00
parent ec11a95d0c
commit cf713edc10
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GPG Key ID: 0FDE7BE0E88F5E48
6 changed files with 159 additions and 66 deletions
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8
include/rootston/view.h
View File

@ -73,15 +73,19 @@ struct roots_view {
// elsewhere
void (*get_size)(struct roots_view *view, struct wlr_box *box);
void (*activate)(struct roots_view *view, bool active);
void (*move)(struct roots_view *view, double x, double y);
void (*resize)(struct roots_view *view, uint32_t width, uint32_t height);
void (*set_position)(struct roots_view *view, double x, double y);
void (*move_resize)(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height);
void (*close)(struct roots_view *view);
};
void view_get_size(struct roots_view *view, struct wlr_box *box);
void view_activate(struct roots_view *view, bool active);
void view_move(struct roots_view *view, double x, double y);
void view_resize(struct roots_view *view, uint32_t width, uint32_t height);
void view_set_position(struct roots_view *view, double x, double y);
void view_move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height);
void view_close(struct roots_view *view);
bool view_center(struct roots_view *view);
void view_setup(struct roots_view *view);

19
rootston/cursor.c
View File

@ -117,8 +117,8 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
if (input->active_view) {
double dx = input->cursor->x - input->offs_x;
double dy = input->cursor->y - input->offs_y;
view_set_position(input->active_view,
input->view_x + dx, input->view_y + dy);
view_move(input->active_view, input->view_x + dx,
input->view_y + dy);
}
break;
case ROOTS_CURSOR_RESIZE:
@ -132,15 +132,19 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_TOP) {
active_y = input->view_y + dy;
height -= dy;
if (height < 0) {
active_y += height;
}
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_BOTTOM) {
} else if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_BOTTOM) {
height += dy;
}
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_LEFT) {
active_x = input->view_x + dx;
width -= dx;
if (width < 0) {
active_x += width;
}
if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
} else if (input->resize_edges & ROOTS_CURSOR_RESIZE_EDGE_RIGHT) {
width += dx;
}
@ -151,13 +155,14 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
height = 0;
}
// TODO we might need one configure event for this
if (active_x != input->active_view->x ||
active_y != input->active_view->y) {
view_set_position(input->active_view, active_x, active_y);
}
view_move_resize(input->active_view, active_x, active_y,
width, height);
} else {
view_resize(input->active_view, width, height);
}
}
break;
case ROOTS_CURSOR_ROTATE:
if (input->active_view) {

31
rootston/desktop.c
View File

@ -45,9 +45,15 @@ void view_get_size(struct roots_view *view, struct wlr_box *box) {
box->height = view->wlr_surface->current->height;
}
void view_set_position(struct roots_view *view, double x, double y) {
if (view->set_position) {
view->set_position(view, x, y);
void view_activate(struct roots_view *view, bool activate) {
if (view->activate) {
view->activate(view, activate);
}
}
void view_move(struct roots_view *view, double x, double y) {
if (view->move) {
view->move(view, x, y);
return;
}
@ -55,18 +61,23 @@ void view_set_position(struct roots_view *view, double x, double y) {
view->y = y;
}
void view_activate(struct roots_view *view, bool activate) {
if (view->activate) {
view->activate(view, activate);
}
}
void view_resize(struct roots_view *view, uint32_t width, uint32_t height) {
if (view->resize) {
view->resize(view, width, height);
}
}
void view_move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
if (view->move_resize) {
view->move_resize(view, x, y, width, height);
return;
}
view_move(view, x, y);
view_resize(view, width, height);
}
void view_close(struct roots_view *view) {
if (view->close) {
view->close(view);
@ -101,7 +112,7 @@ bool view_center(struct roots_view *view) {
double view_x = (double)(width - size.width) / 2 + l_output->x;
double view_y = (double)(height - size.height) / 2 + l_output->y;
view_set_position(view, view_x, view_y);
view_move(view, view_x, view_y);
return true;
}

2
rootston/wl_shell.c
View File

@ -120,7 +120,7 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
surface->parent);
if (i != -1) {
struct roots_view *parent = desktop->views->items[i];
view_set_position(view,
view_move(view,
parent->x + surface->transient_state->x,
parent->y + surface->transient_state->y);
}

59
rootston/xdg_shell_v6.c
View File

@ -25,27 +25,63 @@ static void activate(struct roots_view *view, bool active) {
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
if (surf->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
static void apply_size_constraints(struct wlr_xdg_surface_v6 *surf,
uint32_t width, uint32_t height, uint32_t *dest_width,
uint32_t *dest_height) {
*dest_width = width;
*dest_height = height;
struct wlr_xdg_toplevel_v6_state *state =
&surf->toplevel_state->current;
if (width < state->min_width) {
width = state->min_width;
*dest_width = state->min_width;
} else if (state->max_width > 0 &&
width > state->max_width) {
width = state->max_width;
*dest_width = state->max_width;
}
if (height < state->min_height) {
height = state->min_height;
*dest_height = state->min_height;
} else if (state->max_height > 0 &&
height > state->max_height) {
height = state->max_height;
*dest_height = state->max_height;
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
if (surf->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
wlr_xdg_toplevel_v6_set_size(surf, width, height);
uint32_t contrained_width, contrained_height;
apply_size_constraints(surf, width, height, &contrained_width,
&contrained_height);
wlr_xdg_toplevel_v6_set_size(surf, contrained_width, contrained_height);
}
static void move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XDG_SHELL_V6_VIEW);
struct wlr_xdg_surface_v6 *surf = view->xdg_surface_v6;
if (surf->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) {
return;
}
uint32_t contrained_width, contrained_height;
apply_size_constraints(surf, width, height, &contrained_width,
&contrained_height);
x = x + width - contrained_width;
y = y + height - contrained_height;
// TODO: we should wait for an ack_configure event before updating the
// position
view->x = x;
view->y = y;
wlr_xdg_toplevel_v6_set_size(surf, contrained_width, contrained_height);
}
static void close(struct roots_view *view) {
@ -130,6 +166,10 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
&roots_surface->request_resize);
struct roots_view *view = calloc(1, sizeof(struct roots_view));
if (!view) {
free(roots_surface);
return;
}
view->type = ROOTS_XDG_SHELL_V6_VIEW;
view->xdg_surface_v6 = surface;
view->roots_xdg_surface_v6 = roots_surface;
@ -137,6 +177,7 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
view->get_size = get_size;
view->activate = activate;
view->resize = resize;
view->move_resize = move_resize;
view->close = close;
view->desktop = desktop;
roots_surface->view = view;

86
rootston/xwayland.c
View File

@ -15,32 +15,7 @@ static void activate(struct roots_view *view, bool active) {
wlr_xwayland_surface_activate(xwayland, view->xwayland_surface, active);
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
struct wlr_xwayland_surface_size_hints *size_hints =
xwayland_surface->size_hints;
if (size_hints != NULL) {
if (width < (uint32_t)size_hints->min_width) {
width = size_hints->min_width;
} else if (size_hints->max_width > 0 &&
width > (uint32_t)size_hints->max_width) {
width = size_hints->max_width;
}
if (height < (uint32_t)size_hints->min_height) {
height = size_hints->min_height;
} else if (size_hints->max_height > 0 &&
height > (uint32_t)size_hints->max_height) {
height = size_hints->max_height;
}
}
wlr_xwayland_surface_configure(view->desktop->xwayland, xwayland_surface,
xwayland_surface->x, xwayland_surface->y, width, height);
}
static void set_position(struct roots_view *view, double x, double y) {
static void move(struct roots_view *view, double x, double y) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
view->x = x;
@ -49,6 +24,62 @@ static void set_position(struct roots_view *view, double x, double y) {
x, y, xwayland_surface->width, xwayland_surface->height);
}
static void apply_size_constraints(
struct wlr_xwayland_surface *xwayland_surface, uint32_t width,
uint32_t height, uint32_t *dest_width, uint32_t *dest_height) {
*dest_width = width;
*dest_height = height;
struct wlr_xwayland_surface_size_hints *size_hints =
xwayland_surface->size_hints;
if (size_hints != NULL) {
if (width < (uint32_t)size_hints->min_width) {
*dest_width = size_hints->min_width;
} else if (size_hints->max_width > 0 &&
width > (uint32_t)size_hints->max_width) {
*dest_width = size_hints->max_width;
}
if (height < (uint32_t)size_hints->min_height) {
*dest_height = size_hints->min_height;
} else if (size_hints->max_height > 0 &&
height > (uint32_t)size_hints->max_height) {
*dest_height = size_hints->max_height;
}
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
uint32_t contrained_width, contrained_height;
apply_size_constraints(xwayland_surface, width, height, &contrained_width,
&contrained_height);
wlr_xwayland_surface_configure(view->desktop->xwayland, xwayland_surface,
xwayland_surface->x, xwayland_surface->y, contrained_width,
contrained_height);
}
static void move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
uint32_t contrained_width, contrained_height;
apply_size_constraints(xwayland_surface, width, height, &contrained_width,
&contrained_height);
x = x + width - contrained_width;
y = y + height - contrained_height;
view->x = x;
view->y = y;
wlr_xwayland_surface_configure(view->desktop->xwayland, xwayland_surface,
x, y, contrained_width, contrained_height);
}
static void close(struct roots_view *view) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
wlr_xwayland_surface_close(view->desktop->xwayland, view->xwayland_surface);
@ -204,7 +235,8 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
view->desktop = desktop;
view->activate = activate;
view->resize = resize;
view->set_position = set_position;
view->move = move;
view->move_resize = move_resize;
view->close = close;
roots_surface->view = view;
wlr_list_add(desktop->views, view);