Consider view's min/max sizes when resizing

This commit is contained in:
Ryan Dwyer 2018-07-21 12:13:00 +10:00
parent 9df660ee31
commit 011d1ebfa4
5 changed files with 52 additions and 1 deletions

View file

@ -26,6 +26,8 @@ enum sway_view_prop {
};
struct sway_view_impl {
void (*get_constraints)(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height);
const char *(*get_string_prop)(struct sway_view *view,
enum sway_view_prop prop);
uint32_t (*get_int_prop)(struct sway_view *view, enum sway_view_prop prop);
@ -215,6 +217,9 @@ uint32_t view_get_window_type(struct sway_view *view);
const char *view_get_shell(struct sway_view *view);
void view_get_constraints(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height);
uint32_t view_configure(struct sway_view *view, double lx, double ly, int width,
int height);

View file

@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 199309L
#include <float.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wayland-server.h>
@ -95,6 +96,16 @@ static struct sway_xdg_shell_view *xdg_shell_view_from_view(
return (struct sway_xdg_shell_view *)view;
}
static void get_constraints(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height) {
struct wlr_xdg_toplevel_state *state =
&view->wlr_xdg_surface->toplevel->current;
*min_width = state->min_width > 0 ? state->min_width : DBL_MIN;
*max_width = state->max_width > 0 ? state->max_width : DBL_MAX;
*min_height = state->min_height > 0 ? state->min_height : DBL_MIN;
*max_height = state->max_height > 0 ? state->max_height : DBL_MAX;
}
static const char *get_string_prop(struct sway_view *view, enum sway_view_prop prop) {
if (xdg_shell_view_from_view(view) == NULL) {
return NULL;
@ -188,6 +199,7 @@ static void destroy(struct sway_view *view) {
}
static const struct sway_view_impl view_impl = {
.get_constraints = get_constraints,
.get_string_prop = get_string_prop,
.configure = configure,
.set_activated = set_activated,

View file

@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 199309L
#include <float.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wayland-server.h>
@ -94,6 +95,16 @@ static struct sway_xdg_shell_v6_view *xdg_shell_v6_view_from_view(
return (struct sway_xdg_shell_v6_view *)view;
}
static void get_constraints(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height) {
struct wlr_xdg_toplevel_v6_state *state =
&view->wlr_xdg_surface_v6->toplevel->current;
*min_width = state->min_width > 0 ? state->min_width : DBL_MIN;
*max_width = state->max_width > 0 ? state->max_width : DBL_MAX;
*min_height = state->min_height > 0 ? state->min_height : DBL_MIN;
*max_height = state->max_height > 0 ? state->max_height : DBL_MAX;
}
static const char *get_string_prop(struct sway_view *view, enum sway_view_prop prop) {
if (xdg_shell_v6_view_from_view(view) == NULL) {
return NULL;
@ -184,6 +195,7 @@ static void destroy(struct sway_view *view) {
}
static const struct sway_view_impl view_impl = {
.get_constraints = get_constraints,
.get_string_prop = get_string_prop,
.configure = configure,
.set_activated = set_activated,

View file

@ -243,7 +243,7 @@ static void handle_resize_motion(struct sway_seat *seat,
grow_height = seat->op_ref_height * max_multiplier;
}
// Determine new width/height, and accommodate for min/max values
// Determine new width/height, and accommodate for floating min/max values
double width = seat->op_ref_width + grow_width;
double height = seat->op_ref_height + grow_height;
int min_width, max_width, min_height, max_height;
@ -252,6 +252,15 @@ static void handle_resize_motion(struct sway_seat *seat,
width = fmax(min_width, fmin(width, max_width));
height = fmax(min_height, fmin(height, max_height));
// Apply the view's min/max size
if (con->type == C_VIEW) {
double view_min_width, view_max_width, view_min_height, view_max_height;
view_get_constraints(con->sway_view, &view_min_width, &view_max_width,
&view_min_height, &view_max_height);
width = fmax(view_min_width, fmin(width, view_max_width));
height = fmax(view_min_height, fmin(height, view_max_height));
}
// Recalculate these, in case we hit a min/max limit
grow_width = width - seat->op_ref_width;
grow_height = height - seat->op_ref_height;

View file

@ -141,6 +141,19 @@ const char *view_get_shell(struct sway_view *view) {
return "unknown";
}
void view_get_constraints(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height) {
if (view->impl->get_constraints) {
view->impl->get_constraints(view,
min_width, max_width, min_height, max_height);
} else {
*min_width = DBL_MIN;
*max_width = DBL_MAX;
*min_height = DBL_MIN;
*max_height = DBL_MAX;
}
}
uint32_t view_configure(struct sway_view *view, double lx, double ly, int width,
int height) {
if (view->impl->configure) {