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Handle NULL from output_get_active_workspace

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This modifies the places where output_get_active_workspace is called to
handle a NULL result. Some places already handled it and did not need a
change, some just have guard off code blocks, others return errors, and
some have sway_asserts since the case should never happen. A lot of this
is probably just safety precautions since they probably will never be
called when `output_get_active_workspace` is not fully configured with a
workspace.
This commit is contained in:
Brian Ashworth 2019-02-21 13:24:13 -05:00 • committed by emersion
parent 79c133182d
commit d3d7956576
10 changed files with 50 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

3
sway/commands/focus.c
View file

@ -37,6 +37,9 @@ static struct sway_node *get_node_in_output_direction(
struct sway_output *output, enum wlr_direction dir) {
struct sway_seat *seat = config->handler_context.seat;
struct sway_workspace *ws = output_get_active_workspace(output);
if (!sway_assert(ws, "Expected output to have a workspace")) {
return NULL;
}
if (ws->fullscreen) {
return seat_get_focus_inactive(seat, &ws->fullscreen->node);
}

19
sway/commands/move.c
View file

@ -283,6 +283,9 @@ static bool container_move_in_direction(struct sway_container *container,
return false;
}
struct sway_workspace *ws = output_get_active_workspace(new_output);
if (!sway_assert(ws, "Expected output to have a workspace")) {
return false;
}
container_move_to_workspace(container, ws);
return true;
}
@ -360,6 +363,9 @@ static bool container_move_in_direction(struct sway_container *container,
output_get_in_direction(container->workspace->output, move_dir);
if (output) {
struct sway_workspace *ws = output_get_active_workspace(output);
if (!sway_assert(ws, "Expected output to have a workspace")) {
return false;
}
container_move_to_workspace_from_direction(container, ws, move_dir);
return true;
}
@ -525,6 +531,10 @@ static struct cmd_results *cmd_move_container(int argc, char **argv) {
case N_OUTPUT: {
struct sway_output *output = destination->sway_output;
struct sway_workspace *ws = output_get_active_workspace(output);
if (!sway_assert(ws, "Expected output to have a workspace")) {
return cmd_results_new(CMD_FAILURE,
"Expected output to have a workspace");
}
container_move_to_workspace(container, ws);
}
break;
@ -538,7 +548,11 @@ static struct cmd_results *cmd_move_container(int argc, char **argv) {
// restore focus on destination output back to its last active workspace
struct sway_workspace *new_workspace =
output_get_active_workspace(new_output);
if (new_output_last_ws && new_output_last_ws != new_workspace) {
if (!sway_assert(new_workspace, "Expected output to have a workspace")) {
return cmd_results_new(CMD_FAILURE,
"Expected output to have a workspace");
}
if (new_output_last_ws != new_workspace) {
struct sway_node *new_output_last_focus =
seat_get_focus_inactive(seat, &new_output_last_ws->node);
seat_set_raw_focus(seat, new_output_last_focus);
@ -585,6 +599,9 @@ static void workspace_move_to_output(struct sway_workspace *workspace,
workspace_detach(workspace);
struct sway_workspace *new_output_old_ws =
output_get_active_workspace(output);
if (!sway_assert(new_output_old_ws, "Expected output to have a workspace")) {
return;
}
output_add_workspace(output, workspace);

6
sway/commands/sticky.c
View file

@ -9,6 +9,7 @@
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
#include "list.h"
#include "log.h"
#include "util.h"
struct cmd_results *cmd_sticky(int argc, char **argv) {
@ -29,6 +30,11 @@ struct cmd_results *cmd_sticky(int argc, char **argv) {
// move container to active workspace
struct sway_workspace *active_workspace =
output_get_active_workspace(container->workspace->output);
if (!sway_assert(active_workspace,
"Expected output to have a workspace")) {
return cmd_results_new(CMD_FAILURE,
"Expected output to have a workspace");
}
if (container->workspace != active_workspace) {
struct sway_workspace *old_workspace = container->workspace;
container_detach(container);

4
sway/commands/swap.c
View file

@ -118,6 +118,10 @@ static void container_swap(struct sway_container *con1,
output_get_active_workspace(con1->workspace->output);
struct sway_workspace *vis2 =
output_get_active_workspace(con2->workspace->output);
if (!sway_assert(vis1 && vis2, "con1 or con2 are on an output without a"
"workspace. This should not happen")) {
return;
}
char *stored_prev_name = NULL;
if (seat->prev_workspace_name) {

7
sway/commands/titlebar_border_thickness.c
View file

@ -21,7 +21,12 @@ struct cmd_results *cmd_titlebar_border_thickness(int argc, char **argv) {
for (int i = 0; i < root->outputs->length; ++i) {
struct sway_output *output = root->outputs->items[i];
arrange_workspace(output_get_active_workspace(output));
struct sway_workspace *ws = output_get_active_workspace(output);
if (!sway_assert(ws, "Expected output to have a workspace")) {
return cmd_results_new(CMD_FAILURE,
"Expected output to have a workspace");
}
arrange_workspace(ws);
output_damage_whole(output);
}