swayfx/sway/handlers.c
2015-08-18 03:48:41 -07:00

481 lines
13 KiB
C

#include <xkbcommon/xkbcommon.h>
#include <stdlib.h>
#include <stdbool.h>
#include <wlc/wlc.h>
#include <ctype.h>
#include "handlers.h"
#include "log.h"
#include "layout.h"
#include "config.h"
#include "commands.h"
#include "stringop.h"
#include "workspace.h"
#include "container.h"
#include "focus.h"
uint32_t keys_pressed[32];
static struct wlc_origin mouse_origin;
static bool m1_held = false;
static bool m2_held = false;
static bool pointer_test(swayc_t *view, void *_origin) {
const struct wlc_origin *origin = _origin;
//Determine the output that the view is under
swayc_t *parent = view;
while (parent->type != C_OUTPUT) {
parent = parent->parent;
}
if (origin->x >= view->x && origin->y >= view->y
&& origin->x < view->x + view->width && origin->y < view->y + view->height
&& view->visible && parent == root_container.focused) {
return true;
}
return false;
}
swayc_t *container_under_pointer(void) {
//root.output->workspace
if (!root_container.focused || !root_container.focused->focused) {
return NULL;
}
swayc_t *lookup = root_container.focused->focused;
//Case of empty workspace
if (lookup->children == 0) {
return NULL;
}
while (lookup->type != C_VIEW) {
int i;
int len;
//if tabbed/stacked go directly to focused container, otherwise search
//children
if (lookup->layout == L_TABBED || lookup->layout == L_STACKED) {
lookup = lookup->focused;
continue;
}
//if workspace, search floating
if (lookup->type == C_WORKSPACE) {
len = lookup->floating->length;
for (i = 0; i < len; ++i) {
if (pointer_test(lookup->floating->items[i], &mouse_origin)) {
lookup = lookup->floating->items[i];
break;
}
}
if (i < len) {
continue;
}
}
//search children
len = lookup->children->length;
for (i = 0; i < len; ++i) {
if (pointer_test(lookup->children->items[i], &mouse_origin)) {
lookup = lookup->children->items[i];
break;
}
}
//when border and titles are done, this could happen
if (i == len) {
break;
}
}
return lookup;
}
static bool handle_output_created(wlc_handle output) {
swayc_t *op = new_output(output);
//Switch to workspace if we need to
if (active_workspace == NULL) {
swayc_t *ws = op->children->items[0];
workspace_switch(ws);
}
return true;
}
static void handle_output_destroyed(wlc_handle output) {
int i;
list_t *list = root_container.children;
for (i = 0; i < list->length; ++i) {
if (((swayc_t *)list->items[i])->handle == output) {
break;
}
}
if (i < list->length) {
destroy_output(list->items[i]);
}
}
static void handle_output_resolution_change(wlc_handle output, const struct wlc_size *from, const struct wlc_size *to) {
sway_log(L_DEBUG, "Output %u resolution changed to %d x %d", (unsigned int)output, to->w, to->h);
swayc_t *c = get_swayc_for_handle(output, &root_container);
if (!c) return;
c->width = to->w;
c->height = to->h;
arrange_windows(&root_container, -1, -1);
}
static void handle_output_focused(wlc_handle output, bool focus) {
swayc_t *c = get_swayc_for_handle(output, &root_container);
//if for some reason this output doesnt exist, create it.
if (!c) {
handle_output_created(output);
}
if (focus) {
set_focused_container(c);
}
}
static bool handle_view_created(wlc_handle handle) {
swayc_t *focused = get_focused_container(&root_container);
swayc_t *newview = NULL;
switch (wlc_view_get_type(handle)) {
//regular view created regularly
case 0:
newview = new_view(focused, handle);
wlc_view_set_state(handle, WLC_BIT_MAXIMIZED, true);
break;
//takes keyboard focus
case WLC_BIT_OVERRIDE_REDIRECT:
sway_log(L_DEBUG, "view %ld with OVERRIDE_REDIRECT", handle);
locked_view_focus = true;
wlc_view_focus(handle);
wlc_view_set_state(handle, WLC_BIT_ACTIVATED, true);
wlc_view_bring_to_front(handle);
break;
//Takes container focus
case WLC_BIT_OVERRIDE_REDIRECT|WLC_BIT_UNMANAGED:
sway_log(L_DEBUG, "view %ld with OVERRIDE_REDIRECT|WLC_BIT_MANAGED", handle);
wlc_view_bring_to_front(handle);
locked_container_focus = true;
break;
//set modals as floating containers
case WLC_BIT_MODAL:
wlc_view_bring_to_front(handle);
newview = new_floating_view(handle);
case WLC_BIT_POPUP:
break;
}
if (newview) {
set_focused_container(newview);
arrange_windows(newview->parent, -1, -1);
}
return true;
}
static void handle_view_destroyed(wlc_handle handle) {
sway_log(L_DEBUG, "Destroying window %lu", handle);
swayc_t *view = get_swayc_for_handle(handle, &root_container);
swayc_t *focused = get_focused_container(&root_container);
switch (wlc_view_get_type(handle)) {
//regular view created regularly
case 0:
case WLC_BIT_MODAL:
if (view) {
swayc_t *parent = destroy_view(view);
arrange_windows(parent, -1, -1);
}
break;
//takes keyboard focus
case WLC_BIT_OVERRIDE_REDIRECT:
locked_view_focus = false;
break;
//Takes container focus
case WLC_BIT_OVERRIDE_REDIRECT|WLC_BIT_UNMANAGED:
locked_container_focus = false;
case WLC_BIT_POPUP:
break;
}
set_focused_container(get_focused_view(&root_container));
}
static void handle_view_focus(wlc_handle view, bool focus) {
return;
}
static void handle_view_geometry_request(wlc_handle handle, const struct wlc_geometry* geometry) {
sway_log(L_DEBUG, "geometry request %d x %d : %d x %d",
geometry->origin.x, geometry->origin.y, geometry->size.w,geometry->size.h);
// If the view is floating, then apply the geometry.
// Otherwise save the desired width/height for the view.
// This will not do anything for the time being as WLC improperly sends geometry requests
swayc_t *view = get_swayc_for_handle(handle, &root_container);
if (view) {
view->desired_width = geometry->size.w;
view->desired_height = geometry->size.h;
if (view->is_floating) {
view->width = view->desired_width;
view->height = view->desired_height;
view->x = geometry->origin.x;
view->y = geometry->origin.y;
arrange_windows(view->parent, -1, -1);
}
}
}
static void handle_view_state_request(wlc_handle view, enum wlc_view_state_bit state, bool toggle) {
swayc_t *c = NULL;
switch(state) {
case WLC_BIT_FULLSCREEN:
//I3 just lets it become fullscreen
wlc_view_set_state(view, state, toggle);
c = get_swayc_for_handle(view, &root_container);
sway_log(L_DEBUG, "setting view %ld %s, fullscreen %d",view,c->name,toggle);
if (c) {
arrange_windows(c->parent, -1, -1);
//Set it as focused window for that workspace if its going
//fullscreen
if (toggle) {
swayc_t *ws = c;
while (ws->type != C_WORKSPACE) {
ws = ws->parent;
}
//Set ws focus to c
set_focused_container_for(ws, c);
}
}
break;
case WLC_BIT_MAXIMIZED:
case WLC_BIT_RESIZING:
case WLC_BIT_MOVING:
case WLC_BIT_ACTIVATED:
break;
}
return;
}
static bool handle_key(wlc_handle view, uint32_t time, const struct wlc_modifiers
*modifiers, uint32_t key, uint32_t sym, enum wlc_key_state state) {
enum { QSIZE = 32 };
if (locked_view_focus && state == WLC_KEY_STATE_PRESSED) {
return false;
}
static uint8_t head = 0;
bool cmd_success = false;
struct sway_mode *mode = config->current_mode;
// Lowercase if necessary
sym = tolower(sym);
//Find key, if it has been pressed
int mid = 0;
while (mid < head && keys_pressed[mid] != sym) {
++mid;
}
if (state == WLC_KEY_STATE_PRESSED && mid == head && head + 1 < QSIZE) {
keys_pressed[head++] = sym;
} else if (state == WLC_KEY_STATE_RELEASED && mid < head) {
memmove(keys_pressed + mid, keys_pressed + mid + 1, sizeof*keys_pressed * (--head - mid));
}
// TODO: reminder to check conflicts with mod+q+a versus mod+q
int i;
for (i = 0; i < mode->bindings->length; ++i) {
struct sway_binding *binding = mode->bindings->items[i];
if ((modifiers->mods & binding->modifiers) == binding->modifiers) {
bool match;
int j;
for (j = 0; j < binding->keys->length; ++j) {
match = false;
xkb_keysym_t *key = binding->keys->items[j];
uint8_t k;
for (k = 0; k < head; ++k) {
if (keys_pressed[k] == *key) {
match = true;
break;
}
}
if (match == false) {
break;
}
}
if (match) {
//Remove matched keys from keys_pressed
int j;
for (j = 0; j < binding->keys->length; ++j) {
uint8_t k;
for (k = 0; k < head; ++k) {
memmove(keys_pressed + k, keys_pressed + k + 1, sizeof*keys_pressed * (--head - k));
break;
}
}
if (state == WLC_KEY_STATE_PRESSED) {
cmd_success = handle_command(config, binding->command);
} else if (state == WLC_KEY_STATE_RELEASED) {
// TODO: --released
}
}
}
}
return cmd_success;
}
static bool handle_pointer_motion(wlc_handle handle, uint32_t time, const struct wlc_origin *origin) {
static struct wlc_origin prev_pos;
static wlc_handle prev_handle = 0;
mouse_origin = *origin;
bool changed_floating = false;
int i = 0;
// Do checks to determine if proper keys are being held
swayc_t *view = active_workspace->focused;
if (m1_held) {
if (view->is_floating) {
while (keys_pressed[i++]) {
if (keys_pressed[i] == config->floating_mod) {
int dx = mouse_origin.x - prev_pos.x;
int dy = mouse_origin.y - prev_pos.y;
sway_log(L_DEBUG, "Moving from px: %d to cx: %d and from py: %d to cy: %d", prev_pos.x, mouse_origin.x, prev_pos.y, mouse_origin.y);
sway_log(L_DEBUG, "Moving: dx: %d, dy: %d", dx, dy);
view->x += dx;
view->y += dy;
changed_floating = true;
break;
}
}
}
} else if (m2_held) {
if (view->is_floating) {
while (keys_pressed[i++]) {
if (keys_pressed[i] == config->floating_mod) {
int dx = mouse_origin.x - prev_pos.x;
int dy = mouse_origin.y - prev_pos.y;
sway_log(L_DEBUG, "Moving from px: %d to cx: %d and from py: %d to cy: %d", prev_pos.x, mouse_origin.x, prev_pos.y, mouse_origin.y);
sway_log(L_INFO, "Moving: dx: %d, dy: %d", dx, dy);
// Move and resize the view based on the dx/dy and mouse position
int midway_x = view->x + view->width/2;
int midway_y = view->y + view->height/2;
if (dx < 0) {
changed_floating = true;
if (mouse_origin.x > midway_x) {
sway_log(L_INFO, "Downsizing view to the left");
view->width += dx;
} else {
sway_log(L_INFO, "Upsizing view to the left");
view->x += dx;
view->width -= dx;
}
} else if (dx > 0){
changed_floating = true;
if (mouse_origin.x > midway_x) {
sway_log(L_INFO, "Upsizing to the right");
view->width += dx;
} else {
sway_log(L_INFO, "Downsizing to the right");
view->x += dx;
view->width -= dx;
}
}
if (dy < 0) {
changed_floating = true;
if (mouse_origin.y > midway_y) {
sway_log(L_INFO, "Downsizing view to the top");
view->height += dy;
} else {
sway_log(L_INFO, "Upsizing the view to the top");
view->y += dy;
view->height -= dy;
}
} else if (dy > 0) {
changed_floating = true;
if (mouse_origin.y > midway_y) {
sway_log(L_INFO, "Upsizing to the bottom");
view->height += dy;
} else {
sway_log(L_INFO, "Downsizing to the bottom");
view->y += dy;
view->height -= dy;
}
}
break;
}
}
}
}
if (config->focus_follows_mouse && prev_handle != handle) {
set_focused_container(container_under_pointer());
}
prev_handle = handle;
prev_pos = mouse_origin;
if (changed_floating) {
arrange_windows(view, -1, -1);
return true;
}
return false;
}
static bool handle_pointer_button(wlc_handle view, uint32_t time, const struct wlc_modifiers *modifiers,
uint32_t button, enum wlc_button_state state) {
swayc_t *focused = get_focused_container(&root_container);
if (state == WLC_BUTTON_STATE_PRESSED) {
sway_log(L_DEBUG, "Mouse button %u pressed", button);
if (button == 272) {
m1_held = true;
}
if (button == 273) {
m2_held = true;
}
swayc_t *pointer = container_under_pointer();
set_focused_container(pointer);
return (pointer && pointer != focused);
} else {
sway_log(L_DEBUG, "Mouse button %u released", button);
if (button == 272) {
m1_held = false;
}
if (button == 273) {
m2_held = false;
}
}
return false;
}
static void handle_wlc_ready(void) {
sway_log(L_DEBUG, "Compositor is ready, executing cmds in queue");
int i;
for (i = 0; i < config->cmd_queue->length; ++i) {
handle_command(config, config->cmd_queue->items[i]);
}
free_flat_list(config->cmd_queue);
config->active = true;
}
struct wlc_interface interface = {
.output = {
.created = handle_output_created,
.destroyed = handle_output_destroyed,
.resolution = handle_output_resolution_change,
.focus = handle_output_focused
},
.view = {
.created = handle_view_created,
.destroyed = handle_view_destroyed,
.focus = handle_view_focus,
.request = {
.geometry = handle_view_geometry_request,
.state = handle_view_state_request
}
},
.keyboard = {
.key = handle_key
},
.pointer = {
.motion = handle_pointer_motion,
.button = handle_pointer_button
},
.compositor = {
.ready = handle_wlc_ready
}
};