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test2/source/blender/windowmanager/intern/wm_keymap.cc
Campbell Barton 729251ebac Cleanup: pass const arguments
2025-10-12 01:12:47 +00:00

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/* SPDX-FileCopyrightText: 2007 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup wm
*
* Configurable key-maps - add/remove/find/compare/patch...
*/
#include <cstring>
#include <fmt/format.h>
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "DNA_userdef_types.h"
#include "DNA_windowmanager_types.h"
#include "DNA_workspace_types.h"
#include "CLG_log.h"
#include "MEM_guardedalloc.h"
#include "BLI_listbase.h"
#include "BLI_string.h"
#include "BLI_string_utf8.h"
#include "BLI_utildefines.h"
#include "BLF_api.hh"
#include "UI_interface.hh"
#include "BKE_context.hh"
#include "BKE_global.hh"
#include "BKE_idprop.hh"
#include "BKE_main.hh"
#include "BKE_report.hh"
#include "BKE_screen.hh"
#include "BKE_workspace.hh"
#include "BLT_translation.hh"
#include "RNA_access.hh"
#include "RNA_enum_types.hh"
#include "WM_api.hh"
#include "WM_keymap.hh"
#include "WM_types.hh"
#include "wm_event_system.hh"
#include "wm_event_types.hh"
#include "ED_screen.hh"
struct wmKeyMapItemFind_Params {
bool (*filter_fn)(const wmKeyMap *km, const wmKeyMapItem *kmi, void *user_data);
void *user_data;
};
/* -------------------------------------------------------------------- */
/** \name Keymap Item
*
* Item in a keymap, that maps from an event to an operator or modal map item.
* \{ */
static wmKeyMapItem *wm_keymap_item_copy(const wmKeyMapItem *kmi)
{
wmKeyMapItem *kmin = static_cast<wmKeyMapItem *>(MEM_dupallocN(kmi));
kmin->prev = kmin->next = nullptr;
kmin->flag &= ~KMI_UPDATE;
if (kmin->properties) {
kmin->ptr = MEM_new<PointerRNA>("UserKeyMapItemPtr");
WM_operator_properties_create(kmin->ptr, kmin->idname);
/* Signal for no context, see #STRUCT_NO_CONTEXT_WITHOUT_OWNER_ID. */
kmin->ptr->owner_id = nullptr;
kmin->properties = IDP_CopyProperty(kmin->properties);
kmin->ptr->data = kmin->properties;
}
else {
kmin->properties = nullptr;
kmin->ptr = nullptr;
}
return kmin;
}
static void wm_keymap_item_free_data(wmKeyMapItem *kmi)
{
/* Not the `kmi` itself. */
if (kmi->ptr) {
WM_operator_properties_free(kmi->ptr);
MEM_delete(kmi->ptr);
kmi->ptr = nullptr;
kmi->properties = nullptr;
}
else if (kmi->properties) {
IDP_FreeProperty(kmi->properties);
kmi->properties = nullptr;
}
}
static void wm_keymap_item_clear_runtime(wmKeyMapItem *kmi)
{
IDProperty *properties = kmi->properties;
kmi->properties = nullptr;
if (kmi->ptr) {
kmi->ptr->data = nullptr;
}
wm_keymap_item_free_data(kmi);
kmi->properties = properties;
}
static void wm_keymap_item_properties_set(wmKeyMapItem *kmi)
{
WM_operator_properties_alloc(&(kmi->ptr), &(kmi->properties), kmi->idname);
WM_operator_properties_sanitize(kmi->ptr, true);
/* Signal for no context, see #STRUCT_NO_CONTEXT_WITHOUT_OWNER_ID. */
kmi->ptr->owner_id = nullptr;
}
/**
* Similar to #wm_keymap_item_properties_set
* but checks for the #wmOperatorType having changed, see #38042.
*/
static void wm_keymap_item_properties_update_ot(wmKeyMapItem *kmi, const bool keep_properties)
{
if (kmi->idname[0] == 0) {
BLI_assert(kmi->ptr == nullptr);
return;
}
if (kmi->ptr == nullptr) {
wm_keymap_item_properties_set(kmi);
}
else {
wmOperatorType *ot = WM_operatortype_find(kmi->idname, false);
if (ot) {
if (ot->srna != kmi->ptr->type) {
/* Matches #wm_keymap_item_properties_set but doesn't alloc new ptr. */
WM_operator_properties_create_ptr(kmi->ptr, ot);
/* 'kmi->ptr->data' nullptr'd above, keep using existing properties.
* NOTE: the operators property types may have changed,
* we will need a more comprehensive sanitize function to support this properly.
*/
if (kmi->properties) {
kmi->ptr->data = kmi->properties;
}
WM_operator_properties_sanitize(kmi->ptr, true);
/* Signal for no context, see #STRUCT_NO_CONTEXT_WITHOUT_OWNER_ID. */
kmi->ptr->owner_id = nullptr;
}
}
else {
/* Zombie key-map item. */
if (keep_properties) {
wm_keymap_item_clear_runtime(kmi);
}
else {
wm_keymap_item_free_data(kmi);
}
}
}
}
static void wm_keymap_item_properties_update_ot_from_list(ListBase *km_lb,
const bool keep_properties)
{
LISTBASE_FOREACH (wmKeyMap *, km, km_lb) {
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &km->items) {
wm_keymap_item_properties_update_ot(kmi, keep_properties);
}
LISTBASE_FOREACH (wmKeyMapDiffItem *, kmdi, &km->diff_items) {
if (kmdi->add_item) {
wm_keymap_item_properties_update_ot(kmdi->add_item, keep_properties);
}
if (kmdi->remove_item) {
wm_keymap_item_properties_update_ot(kmdi->remove_item, keep_properties);
}
}
}
}
static bool wm_keymap_item_equals_result(const wmKeyMapItem *a, const wmKeyMapItem *b)
{
return (STREQ(a->idname, b->idname) &&
/* We do not really care about which Main we pass here, TBH. */
RNA_struct_equals(G_MAIN, a->ptr, b->ptr, RNA_EQ_UNSET_MATCH_NONE) &&
(a->flag & KMI_INACTIVE) == (b->flag & KMI_INACTIVE) && a->propvalue == b->propvalue);
}
static bool wm_keymap_item_equals(const wmKeyMapItem *a, const wmKeyMapItem *b)
{
return (wm_keymap_item_equals_result(a, b) && a->type == b->type && a->val == b->val &&
a->shift == b->shift && a->ctrl == b->ctrl && a->alt == b->alt && a->oskey == b->oskey &&
a->hyper == b->hyper && a->keymodifier == b->keymodifier && a->maptype == b->maptype &&
((a->val != KM_PRESS_DRAG) || (a->direction == b->direction)) &&
((ISKEYBOARD(a->type) == 0) ||
(a->flag & KMI_REPEAT_IGNORE) == (b->flag & KMI_REPEAT_IGNORE)));
}
void WM_keymap_item_properties_reset(wmKeyMapItem *kmi, IDProperty *properties)
{
if (LIKELY(kmi->ptr)) {
WM_operator_properties_free(kmi->ptr);
MEM_delete(kmi->ptr);
kmi->ptr = nullptr;
}
else if (kmi->properties) {
IDP_FreeProperty(kmi->properties);
}
kmi->properties = properties;
wm_keymap_item_properties_set(kmi);
}
int WM_keymap_item_map_type_get(const wmKeyMapItem *kmi)
{
if (ISTIMER(kmi->type)) {
return KMI_TYPE_TIMER;
}
if (ISKEYBOARD(kmi->type)) {
return KMI_TYPE_KEYBOARD;
}
if (ISMOUSE(kmi->type)) {
return KMI_TYPE_MOUSE;
}
if (ISNDOF(kmi->type)) {
return KMI_TYPE_NDOF;
}
if (kmi->type == KM_TEXTINPUT) {
return KMI_TYPE_TEXTINPUT;
}
if (ELEM(kmi->type, TABLET_STYLUS, TABLET_ERASER)) {
return KMI_TYPE_MOUSE;
}
return KMI_TYPE_KEYBOARD;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Keymap Diff Item
*
* Item in a diff keymap, used for saving diff of keymaps in user preferences.
* \{ */
static wmKeyMapDiffItem *wm_keymap_diff_item_copy(wmKeyMapDiffItem *kmdi)
{
wmKeyMapDiffItem *kmdin = static_cast<wmKeyMapDiffItem *>(MEM_dupallocN(kmdi));
kmdin->next = kmdin->prev = nullptr;
if (kmdi->add_item) {
kmdin->add_item = wm_keymap_item_copy(kmdi->add_item);
}
if (kmdi->remove_item) {
kmdin->remove_item = wm_keymap_item_copy(kmdi->remove_item);
}
return kmdin;
}
static void wm_keymap_diff_item_free(wmKeyMapDiffItem *kmdi)
{
if (kmdi->remove_item) {
wm_keymap_item_free_data(kmdi->remove_item);
MEM_freeN(kmdi->remove_item);
}
if (kmdi->add_item) {
wm_keymap_item_free_data(kmdi->add_item);
MEM_freeN(kmdi->add_item);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Key Configuration
*
* List of keymaps for all editors, modes, etc.
* There is a builtin default key configuration,
* a user key configuration, and other preset configurations.
* \{ */
wmKeyConfig *WM_keyconfig_new(wmWindowManager *wm, const char *idname, bool user_defined)
{
BLI_assert(!BLI_findstring(&wm->runtime->keyconfigs, idname, offsetof(wmKeyConfig, idname)));
/* Create new configuration. */
wmKeyConfig *keyconf = MEM_callocN<wmKeyConfig>("wmKeyConfig");
STRNCPY_UTF8(keyconf->idname, idname);
BLI_addtail(&wm->runtime->keyconfigs, keyconf);
if (user_defined) {
keyconf->flag |= KEYCONF_USER;
}
return keyconf;
}
wmKeyConfig *WM_keyconfig_ensure(wmWindowManager *wm, const char *idname, bool user_defined)
{
wmKeyConfig *keyconf = static_cast<wmKeyConfig *>(
BLI_findstring(&wm->runtime->keyconfigs, idname, offsetof(wmKeyConfig, idname)));
if (keyconf) {
if (keyconf == wm->runtime->defaultconf) {
/* For default configuration, we need to keep keymap
* modal items and poll functions intact. */
LISTBASE_FOREACH (wmKeyMap *, km, &keyconf->keymaps) {
WM_keymap_clear(km);
}
}
else {
/* For user defined key configuration, clear all keymaps. */
WM_keyconfig_clear(keyconf);
}
return keyconf;
}
return WM_keyconfig_new(wm, idname, user_defined);
}
void WM_keyconfig_remove(wmWindowManager *wm, wmKeyConfig *keyconf)
{
BLI_assert(BLI_findindex(&wm->runtime->keyconfigs, keyconf) != -1);
if (STREQLEN(U.keyconfigstr, keyconf->idname, sizeof(U.keyconfigstr))) {
STRNCPY(U.keyconfigstr, wm->runtime->defaultconf->idname);
U.runtime.is_dirty = true;
WM_keyconfig_update_tag(nullptr, nullptr);
}
BLI_remlink(&wm->runtime->keyconfigs, keyconf);
WM_keyconfig_free(keyconf);
/* Clear pointers. */
wmKeyConfig **keyconf_arr_p[] = {WM_KEYCONFIG_ARRAY_P(wm)};
for (int i = 0; i < ARRAY_SIZE(keyconf_arr_p); i++) {
wmKeyConfig **kc_p = keyconf_arr_p[i];
if (*kc_p == keyconf) {
*kc_p = nullptr;
}
}
}
void WM_keyconfig_clear(wmKeyConfig *keyconf)
{
LISTBASE_FOREACH_MUTABLE (wmKeyMap *, km, &keyconf->keymaps) {
WM_keymap_clear(km);
MEM_freeN(km);
}
BLI_listbase_clear(&keyconf->keymaps);
}
void WM_keyconfig_free(wmKeyConfig *keyconf)
{
WM_keyconfig_clear(keyconf);
MEM_freeN(keyconf);
}
static wmKeyConfig *WM_keyconfig_active(wmWindowManager *wm)
{
wmKeyConfig *keyconf;
/* First try from preset. */
keyconf = static_cast<wmKeyConfig *>(
BLI_findstring(&wm->runtime->keyconfigs, U.keyconfigstr, offsetof(wmKeyConfig, idname)));
if (keyconf) {
return keyconf;
}
/* Otherwise use default. */
return wm->runtime->defaultconf;
}
void WM_keyconfig_set_active(wmWindowManager *wm, const char *idname)
{
/* Setting a different key configuration as active:
* we ensure all is updated properly before and after making the change. */
WM_keyconfig_update(wm);
STRNCPY(U.keyconfigstr, idname);
if (wm->init_flag & WM_INIT_FLAG_KEYCONFIG) {
U.runtime.is_dirty = true;
}
WM_keyconfig_update_tag(nullptr, nullptr);
WM_keyconfig_update(wm);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Keymap
*
* List of keymap items for one editor, mode, modal operator.
* \{ */
static wmKeyMap *wm_keymap_new(const char *idname, int spaceid, int regionid)
{
wmKeyMap *km = MEM_callocN<wmKeyMap>("keymap list");
STRNCPY_UTF8(km->idname, idname);
km->spaceid = spaceid;
km->regionid = regionid;
{
const char *owner_id = RNA_struct_state_owner_get();
if (owner_id) {
STRNCPY(km->owner_id, owner_id);
}
}
return km;
}
static wmKeyMap *wm_keymap_copy(wmKeyMap *keymap)
{
wmKeyMap *keymapn = static_cast<wmKeyMap *>(MEM_dupallocN(keymap));
keymapn->modal_items = keymap->modal_items;
keymapn->poll = keymap->poll;
keymapn->poll_modal_item = keymap->poll_modal_item;
BLI_listbase_clear(&keymapn->items);
keymapn->flag &= ~(KEYMAP_UPDATE | KEYMAP_EXPANDED);
LISTBASE_FOREACH (wmKeyMapDiffItem *, kmdi, &keymap->diff_items) {
wmKeyMapDiffItem *kmdi_new = wm_keymap_diff_item_copy(kmdi);
BLI_addtail(&keymapn->items, kmdi_new);
}
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &keymap->items) {
wmKeyMapItem *kmi_new = wm_keymap_item_copy(kmi);
BLI_addtail(&keymapn->items, kmi_new);
}
return keymapn;
}
void WM_keymap_clear(wmKeyMap *keymap)
{
LISTBASE_FOREACH_MUTABLE (wmKeyMapDiffItem *, kmdi, &keymap->diff_items) {
wm_keymap_diff_item_free(kmdi);
MEM_freeN(kmdi);
}
LISTBASE_FOREACH_MUTABLE (wmKeyMapItem *, kmi, &keymap->items) {
wm_keymap_item_free_data(kmi);
MEM_freeN(kmi);
}
BLI_listbase_clear(&keymap->diff_items);
BLI_listbase_clear(&keymap->items);
}
void WM_keymap_remove(wmKeyConfig *keyconf, wmKeyMap *keymap)
{
BLI_assert(BLI_findindex(&keyconf->keymaps, keymap) != -1);
WM_keymap_clear(keymap);
BLI_remlink(&keyconf->keymaps, keymap);
MEM_freeN(keymap);
}
bool WM_keymap_poll(bContext *C, wmKeyMap *keymap)
{
/* If we're tagged, only use compatible. */
if (keymap->owner_id[0] != '\0') {
const WorkSpace *workspace = CTX_wm_workspace(C);
if (BKE_workspace_owner_id_check(workspace, keymap->owner_id) == false) {
return false;
}
}
if (UNLIKELY(BLI_listbase_is_empty(&keymap->items))) {
/* Empty key-maps may be missing more there may be a typo in the name.
* Warn early to avoid losing time investigating each case.
* When developing a customized Blender though you may want empty keymaps. */
if (!U.app_template[0] &&
/* Fallback key-maps may be intentionally empty, don't flood the output. */
!BLI_str_endswith(keymap->idname, " (fallback)") &&
/* This is an exception which may be empty.
* Longer term we might want a flag to indicate an empty key-map is intended. */
!STREQ(keymap->idname, "Node Tool: Tweak") &&
/* Another exception: Asset shelf keymap is meant for add-ons to use, it's empty by
* default. */
!STREQ(keymap->idname, "Asset Shelf") &&
/* Same for the asset browser keymap. */
!STREQ(keymap->idname, "Asset Browser Main"))
{
CLOG_WARN(WM_LOG_EVENTS, "empty keymap '%s'", keymap->idname);
}
}
if (keymap->poll != nullptr) {
return keymap->poll(C);
}
return true;
}
static bool wm_keymap_is_match(const wmKeyMap *km_a, const wmKeyMap *km_b)
{
return ((km_a->spaceid == km_b->spaceid) && (km_a->regionid == km_b->regionid) &&
STREQ(km_a->idname, km_b->idname));
}
static void keymap_event_set(wmKeyMapItem *kmi, const KeyMapItem_Params *params)
{
kmi->type = params->type;
kmi->val = params->value;
kmi->keymodifier = params->keymodifier;
kmi->direction = params->direction;
if (params->modifier == KM_ANY) {
kmi->shift = kmi->ctrl = kmi->alt = kmi->oskey = kmi->hyper = KM_ANY;
}
else {
const int8_t mod = params->modifier & 0xff;
const int8_t mod_any = KMI_PARAMS_MOD_FROM_ANY(params->modifier);
/* Only one of the flags should be set. */
BLI_assert((mod & mod_any) == 0);
kmi->shift = ((mod & KM_SHIFT) ? KM_MOD_HELD : ((mod_any & KM_SHIFT) ? KM_ANY : KM_NOTHING));
kmi->ctrl = ((mod & KM_CTRL) ? KM_MOD_HELD : ((mod_any & KM_CTRL) ? KM_ANY : KM_NOTHING));
kmi->alt = ((mod & KM_ALT) ? KM_MOD_HELD : ((mod_any & KM_ALT) ? KM_ANY : KM_NOTHING));
kmi->oskey = ((mod & KM_OSKEY) ? KM_MOD_HELD : ((mod_any & KM_OSKEY) ? KM_ANY : KM_NOTHING));
kmi->hyper = ((mod & KM_HYPER) ? KM_MOD_HELD : ((mod_any & KM_HYPER) ? KM_ANY : KM_NOTHING));
}
}
static void keymap_item_set_id(wmKeyMap *keymap, wmKeyMapItem *kmi)
{
keymap->kmi_id++;
if ((keymap->flag & KEYMAP_USER) == 0) {
kmi->id = keymap->kmi_id;
}
else {
kmi->id = -keymap->kmi_id; /* User defined keymap entries have negative ids. */
}
}
wmKeyMapItem *WM_keymap_add_item(wmKeyMap *keymap,
const char *idname,
const KeyMapItem_Params *params)
{
wmKeyMapItem *kmi = MEM_callocN<wmKeyMapItem>("keymap entry");
BLI_addtail(&keymap->items, kmi);
STRNCPY(kmi->idname, idname);
keymap_event_set(kmi, params);
wm_keymap_item_properties_set(kmi);
keymap_item_set_id(keymap, kmi);
WM_keyconfig_update_tag(keymap, kmi);
return kmi;
}
wmKeyMapItem *WM_keymap_add_item_copy(wmKeyMap *keymap, const wmKeyMapItem *kmi_src)
{
wmKeyMapItem *kmi_dst = wm_keymap_item_copy(kmi_src);
BLI_addtail(&keymap->items, kmi_dst);
keymap_item_set_id(keymap, kmi_dst);
WM_keyconfig_update_tag(keymap, kmi_dst);
return kmi_dst;
}
void WM_keymap_remove_item(wmKeyMap *keymap, wmKeyMapItem *kmi)
{
BLI_assert(BLI_findindex(&keymap->items, kmi) != -1);
if (kmi->ptr) {
WM_operator_properties_free(kmi->ptr);
MEM_delete(kmi->ptr);
}
else if (kmi->properties) {
IDP_FreeProperty(kmi->properties);
}
BLI_freelinkN(&keymap->items, kmi);
WM_keyconfig_update_tag(keymap, nullptr);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Keymap Diff and Patch
*
* Rather than saving the entire keymap for user preferences, we only save a
* diff so that changes in the defaults get synced. This system is not perfect
* but works better than overriding the keymap entirely when only few items
* are changed.
* \{ */
static void wm_keymap_addon_add(wmKeyMap *keymap, wmKeyMap *addonmap)
{
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &addonmap->items) {
wmKeyMapItem *kmi_new = wm_keymap_item_copy(kmi);
keymap_item_set_id(keymap, kmi_new);
BLI_addhead(&keymap->items, kmi_new);
}
}
static wmKeyMapItem *wm_keymap_find_item_equals(wmKeyMap *km, const wmKeyMapItem *needle)
{
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &km->items) {
if (wm_keymap_item_equals(kmi, needle)) {
return kmi;
}
}
return nullptr;
}
static wmKeyMapItem *wm_keymap_find_item_equals_result(wmKeyMap *km, const wmKeyMapItem *needle)
{
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &km->items) {
if (wm_keymap_item_equals_result(kmi, needle)) {
return kmi;
}
}
return nullptr;
}
static void wm_keymap_diff(
wmKeyMap *diff_km, wmKeyMap *from_km, wmKeyMap *to_km, wmKeyMap *orig_km, wmKeyMap *addon_km)
{
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &from_km->items) {
wmKeyMapItem *to_kmi = WM_keymap_item_find_id(to_km, kmi->id);
if (!to_kmi) {
/* Remove item. */
wmKeyMapDiffItem *kmdi = MEM_callocN<wmKeyMapDiffItem>("wmKeyMapDiffItem");
kmdi->remove_item = wm_keymap_item_copy(kmi);
BLI_addtail(&diff_km->diff_items, kmdi);
}
else if (to_kmi && !wm_keymap_item_equals(kmi, to_kmi)) {
/* Replace item. */
wmKeyMapDiffItem *kmdi = MEM_callocN<wmKeyMapDiffItem>("wmKeyMapDiffItem");
kmdi->remove_item = wm_keymap_item_copy(kmi);
kmdi->add_item = wm_keymap_item_copy(to_kmi);
BLI_addtail(&diff_km->diff_items, kmdi);
}
/* Sync expanded flag back to original so we don't lose it on re-patch. */
if (to_kmi) {
wmKeyMapItem *orig_kmi = WM_keymap_item_find_id(orig_km, kmi->id);
if (!orig_kmi && addon_km) {
orig_kmi = wm_keymap_find_item_equals(addon_km, kmi);
}
if (orig_kmi) {
orig_kmi->flag &= ~KMI_EXPANDED;
orig_kmi->flag |= (to_kmi->flag & KMI_EXPANDED);
}
}
}
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &to_km->items) {
if (kmi->id < 0) {
/* Add item. */
wmKeyMapDiffItem *kmdi = MEM_callocN<wmKeyMapDiffItem>("wmKeyMapDiffItem");
kmdi->add_item = wm_keymap_item_copy(kmi);
BLI_addtail(&diff_km->diff_items, kmdi);
}
}
}
static void wm_keymap_patch(wmKeyMap *km, wmKeyMap *diff_km)
{
LISTBASE_FOREACH (wmKeyMapDiffItem *, kmdi, &diff_km->diff_items) {
/* Find item to remove. */
wmKeyMapItem *kmi_remove = nullptr;
if (kmdi->remove_item) {
kmi_remove = wm_keymap_find_item_equals(km, kmdi->remove_item);
if (!kmi_remove) {
kmi_remove = wm_keymap_find_item_equals_result(km, kmdi->remove_item);
}
}
/* Add item. */
if (kmdi->add_item) {
/* Do not re-add an already existing keymap item! See #42088. */
/* We seek only for exact copy here! See #42137. */
wmKeyMapItem *kmi_add = wm_keymap_find_item_equals(km, kmdi->add_item);
/* If kmi_add is same as kmi_remove (can happen in some cases,
* typically when we got kmi_remove from #wm_keymap_find_item_equals_result()),
* no need to add or remove anything, see #45579. */
/**
* \note This typically happens when we apply user-defined keymap diff to a base one that
* was exported with that customized keymap already. In that case:
*
* - wm_keymap_find_item_equals(km, kmdi->remove_item) finds nothing
* (because actual shortcut of current base does not match kmdi->remove_item any more).
* - wm_keymap_find_item_equals_result(km, kmdi->remove_item) finds the current kmi from
* base keymap (because it does exactly the same thing).
* - wm_keymap_find_item_equals(km, kmdi->add_item) finds the same kmi,
* since base keymap was exported with that user-defined shortcut already!
*
* Maybe we should rather keep user-defined keymaps specific to a given base one? */
if (kmi_add != nullptr && kmi_add == kmi_remove) {
kmi_remove = nullptr;
}
/* Only if nothing to remove or item to remove found. */
else if (!kmi_add && (!kmdi->remove_item || kmi_remove)) {
kmi_add = wm_keymap_item_copy(kmdi->add_item);
kmi_add->flag |= KMI_USER_MODIFIED;
if (kmi_remove) {
kmi_add->flag &= ~KMI_EXPANDED;
kmi_add->flag |= (kmi_remove->flag & KMI_EXPANDED);
kmi_add->id = kmi_remove->id;
BLI_insertlinkbefore(&km->items, kmi_remove, kmi_add);
}
else {
keymap_item_set_id(km, kmi_add);
BLI_addtail(&km->items, kmi_add);
}
}
}
/* Remove item. */
if (kmi_remove) {
wm_keymap_item_free_data(kmi_remove);
BLI_freelinkN(&km->items, kmi_remove);
}
}
}
static wmKeyMap *wm_keymap_patch_update(ListBase *lb,
wmKeyMap *defaultmap,
wmKeyMap *addonmap,
wmKeyMap *usermap)
{
int expanded = 0;
/* Remove previous keymap in list, we will replace it. */
wmKeyMap *km = WM_keymap_list_find(
lb, defaultmap->idname, defaultmap->spaceid, defaultmap->regionid);
if (km) {
expanded = (km->flag & (KEYMAP_EXPANDED | KEYMAP_CHILDREN_EXPANDED));
WM_keymap_clear(km);
BLI_freelinkN(lb, km);
}
/* Copy new keymap from an existing one. */
if (usermap && !(usermap->flag & KEYMAP_DIFF)) {
/* For compatibility with old user preferences with non-diff
* keymaps we override the original entirely. */
km = wm_keymap_copy(usermap);
/* Try to find corresponding id's for items. */
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &km->items) {
wmKeyMapItem *orig_kmi = wm_keymap_find_item_equals(defaultmap, kmi);
if (!orig_kmi) {
orig_kmi = wm_keymap_find_item_equals_result(defaultmap, kmi);
}
if (orig_kmi) {
kmi->id = orig_kmi->id;
}
else {
kmi->id = -(km->kmi_id++);
}
}
km->flag |= KEYMAP_UPDATE; /* Update again to create diff. */
}
else {
km = wm_keymap_copy(defaultmap);
}
/* Add addon keymap items. */
if (addonmap) {
wm_keymap_addon_add(km, addonmap);
}
/* Tag as being user edited. */
if (usermap) {
km->flag |= KEYMAP_USER_MODIFIED;
}
km->flag |= KEYMAP_USER | expanded;
/* Apply user changes of diff keymap. */
if (usermap && (usermap->flag & KEYMAP_DIFF)) {
wm_keymap_patch(km, usermap);
}
/* Add to list. */
BLI_addtail(lb, km);
return km;
}
static void wm_keymap_diff_update(ListBase *lb,
wmKeyMap *defaultmap,
wmKeyMap *addonmap,
wmKeyMap *km)
{
/* Create temporary default + addon keymap for diff. */
wmKeyMap *origmap = defaultmap;
if (addonmap) {
defaultmap = wm_keymap_copy(defaultmap);
wm_keymap_addon_add(defaultmap, addonmap);
}
/* Remove previous diff keymap in list, we will replace it. */
wmKeyMap *prevmap = WM_keymap_list_find(lb, km->idname, km->spaceid, km->regionid);
if (prevmap) {
WM_keymap_clear(prevmap);
BLI_freelinkN(lb, prevmap);
}
/* Create diff keymap. */
wmKeyMap *diffmap = wm_keymap_new(km->idname, km->spaceid, km->regionid);
diffmap->flag |= KEYMAP_DIFF;
if (defaultmap->flag & KEYMAP_MODAL) {
diffmap->flag |= KEYMAP_MODAL;
}
wm_keymap_diff(diffmap, defaultmap, km, origmap, addonmap);
/* Add to list if not empty. */
if (diffmap->diff_items.first) {
BLI_addtail(lb, diffmap);
}
else {
WM_keymap_clear(diffmap);
MEM_freeN(diffmap);
}
/* Free temporary default map. */
if (addonmap) {
WM_keymap_clear(defaultmap);
MEM_freeN(defaultmap);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Storage in WM
*
* Name id's are for storing general or multiple keymaps.
*
* - Space/region ids are same as `DNA_space_types.h`.
* - Gets freed in `wm.cc`.
* \{ */
wmKeyMap *WM_keymap_list_find(ListBase *lb, const char *idname, int spaceid, int regionid)
{
LISTBASE_FOREACH (wmKeyMap *, km, lb) {
if (km->spaceid == spaceid && km->regionid == regionid) {
if (STREQLEN(idname, km->idname, KMAP_MAX_NAME)) {
return km;
}
}
}
return nullptr;
}
wmKeyMap *WM_keymap_list_find_spaceid_or_empty(ListBase *lb,
const char *idname,
int spaceid,
int regionid)
{
LISTBASE_FOREACH (wmKeyMap *, km, lb) {
if (ELEM(km->spaceid, spaceid, SPACE_EMPTY) && km->regionid == regionid) {
if (STREQLEN(idname, km->idname, KMAP_MAX_NAME)) {
return km;
}
}
}
return nullptr;
}
wmKeyMap *WM_keymap_ensure(wmKeyConfig *keyconf, const char *idname, int spaceid, int regionid)
{
wmKeyMap *km = WM_keymap_list_find(&keyconf->keymaps, idname, spaceid, regionid);
if (km == nullptr) {
km = wm_keymap_new(idname, spaceid, regionid);
BLI_addtail(&keyconf->keymaps, km);
WM_keyconfig_update_tag(km, nullptr);
}
return km;
}
wmKeyMap *WM_keymap_find_all(wmWindowManager *wm, const char *idname, int spaceid, int regionid)
{
return WM_keymap_list_find(&wm->runtime->userconf->keymaps, idname, spaceid, regionid);
}
wmKeyMap *WM_keymap_find_all_spaceid_or_empty(wmWindowManager *wm,
const char *idname,
int spaceid,
int regionid)
{
return WM_keymap_list_find_spaceid_or_empty(
&wm->runtime->userconf->keymaps, idname, spaceid, regionid);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Modal Keymaps
*
* Modal key-maps get linked to a running operator,
* and filter the keys before sending to #wmOperatorType.modal callback.
* \{ */
wmKeyMap *WM_modalkeymap_ensure(wmKeyConfig *keyconf,
const char *idname,
const EnumPropertyItem *items)
{
wmKeyMap *km = WM_keymap_ensure(keyconf, idname, SPACE_EMPTY, RGN_TYPE_WINDOW);
km->flag |= KEYMAP_MODAL;
/* Initialize modal items from default configuration. */
wmWindowManager *wm = static_cast<wmWindowManager *>(G_MAIN->wm.first);
if (wm->runtime->defaultconf && wm->runtime->defaultconf != keyconf) {
wmKeyMap *defaultkm = WM_keymap_list_find(
&wm->runtime->defaultconf->keymaps, km->idname, SPACE_EMPTY, RGN_TYPE_WINDOW);
if (defaultkm) {
km->modal_items = defaultkm->modal_items;
km->poll = defaultkm->poll;
km->poll_modal_item = defaultkm->poll_modal_item;
}
}
if (items) {
km->modal_items = items;
}
return km;
}
wmKeyMap *WM_modalkeymap_find(wmKeyConfig *keyconf, const char *idname)
{
LISTBASE_FOREACH (wmKeyMap *, km, &keyconf->keymaps) {
if (km->flag & KEYMAP_MODAL) {
if (STREQLEN(idname, km->idname, KMAP_MAX_NAME)) {
return km;
}
}
}
return nullptr;
}
wmKeyMapItem *WM_modalkeymap_add_item(wmKeyMap *km, const KeyMapItem_Params *params, int value)
{
wmKeyMapItem *kmi = MEM_callocN<wmKeyMapItem>("keymap entry");
BLI_addtail(&km->items, kmi);
kmi->propvalue = value;
keymap_event_set(kmi, params);
keymap_item_set_id(km, kmi);
WM_keyconfig_update_tag(km, kmi);
return kmi;
}
wmKeyMapItem *WM_modalkeymap_add_item_str(wmKeyMap *km,
const KeyMapItem_Params *params,
const char *value)
{
wmKeyMapItem *kmi = MEM_callocN<wmKeyMapItem>("keymap entry");
BLI_addtail(&km->items, kmi);
STRNCPY(kmi->propvalue_str, value);
keymap_event_set(kmi, params);
keymap_item_set_id(km, kmi);
WM_keyconfig_update_tag(km, kmi);
return kmi;
}
static const wmKeyMapItem *wm_modalkeymap_find_propvalue_iter(const wmKeyMap *km,
const wmKeyMapItem *kmi,
const int propvalue)
{
if (km->flag & KEYMAP_MODAL) {
kmi = static_cast<const wmKeyMapItem *>(kmi ? kmi->next : km->items.first);
for (; kmi; kmi = kmi->next) {
if (kmi->propvalue == propvalue) {
return kmi;
}
}
}
else {
BLI_assert_msg(0, "called with non modal keymap");
}
return nullptr;
}
const wmKeyMapItem *WM_modalkeymap_find_propvalue(const wmKeyMap *km, const int propvalue)
{
return wm_modalkeymap_find_propvalue_iter(km, nullptr, propvalue);
}
void WM_modalkeymap_assign(wmKeyMap *km, const char *opname)
{
wmOperatorType *ot = WM_operatortype_find(opname, false);
if (ot) {
ot->modalkeymap = km;
}
else {
CLOG_ERROR(WM_LOG_OPERATORS, "unknown operator '%s' in modal keymap", opname);
}
}
static void wm_user_modal_keymap_set_items(wmWindowManager *wm, wmKeyMap *km)
{
/* Here we convert propvalue string values delayed, due to python keymaps
* being created before the actual modal keymaps, so no modal_items. */
if (km && (km->flag & KEYMAP_MODAL) && !km->modal_items) {
if (wm->runtime->defaultconf == nullptr) {
return;
}
wmKeyMap *defaultkm = WM_keymap_list_find(
&wm->runtime->defaultconf->keymaps, km->idname, SPACE_EMPTY, RGN_TYPE_WINDOW);
if (!defaultkm) {
return;
}
km->modal_items = defaultkm->modal_items;
km->poll = defaultkm->poll;
km->poll_modal_item = defaultkm->poll_modal_item;
if (km->modal_items) {
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &km->items) {
if (kmi->propvalue_str[0]) {
int propvalue;
if (RNA_enum_value_from_id(static_cast<const EnumPropertyItem *>(km->modal_items),
kmi->propvalue_str,
&propvalue))
{
kmi->propvalue = propvalue;
}
kmi->propvalue_str[0] = '\0';
}
}
}
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Text from Key Events
* \{ */
static const char *key_event_glyph_or_text(const int font_id,
const char *text,
const char *single_glyph)
{
BLI_assert(single_glyph == nullptr || (BLI_strlen_utf8(single_glyph) == 1));
return (single_glyph && BLF_has_glyph(font_id, BLI_str_utf8_as_unicode_or_error(single_glyph))) ?
single_glyph :
text;
}
const char *WM_key_event_string(const short type, const bool compact)
{
if (compact) {
/* String storing a single unicode character or nullptr. */
const char *single_glyph = nullptr;
int font_id = BLF_default();
const enum {
UNIX,
MACOS,
MSWIN,
} platform =
#if defined(__APPLE__)
MACOS
#elif defined(_WIN32)
MSWIN
#else
UNIX
#endif
;
switch (type) {
case EVT_LEFTSHIFTKEY:
case EVT_RIGHTSHIFTKEY: {
if (platform == MACOS) {
single_glyph = BLI_STR_UTF8_UPWARDS_WHITE_ARROW;
}
return key_event_glyph_or_text(
font_id, CTX_IFACE_(BLT_I18NCONTEXT_ID_WINDOWMANAGER, "Shift"), single_glyph);
}
case EVT_LEFTCTRLKEY:
case EVT_RIGHTCTRLKEY:
if (platform == MACOS) {
return key_event_glyph_or_text(font_id, "^", BLI_STR_UTF8_UP_ARROWHEAD);
}
return IFACE_("Ctrl");
case EVT_LEFTALTKEY:
case EVT_RIGHTALTKEY: {
if (platform == MACOS) {
/* Option symbol on Mac keyboard. */
single_glyph = BLI_STR_UTF8_OPTION_KEY;
}
return key_event_glyph_or_text(font_id, IFACE_("Alt"), single_glyph);
}
case EVT_OSKEY: {
/* Keep these labels in sync with: `scripts/modules/rna_keymap_ui.py`. */
if (platform == MACOS) {
return key_event_glyph_or_text(
font_id, IFACE_("Cmd"), BLI_STR_UTF8_PLACE_OF_INTEREST_SIGN);
}
if (platform == MSWIN) {
return key_event_glyph_or_text(
font_id, IFACE_("Win"), BLI_STR_UTF8_BLACK_DIAMOND_MINUS_WHITE_X);
}
return IFACE_("OS");
}
case EVT_TABKEY:
return key_event_glyph_or_text(
font_id, CTX_N_(BLT_I18NCONTEXT_UI_EVENTS, "Tab"), BLI_STR_UTF8_HORIZONTAL_TAB_KEY);
case EVT_BACKSPACEKEY:
return key_event_glyph_or_text(font_id, IFACE_("Bksp"), BLI_STR_UTF8_ERASE_TO_THE_LEFT);
case EVT_ESCKEY:
if (platform == MACOS) {
single_glyph = BLI_STR_UTF8_BROKEN_CIRCLE_WITH_NORTHWEST_ARROW;
}
return key_event_glyph_or_text(font_id, IFACE_("Esc"), single_glyph);
case EVT_RETKEY:
return key_event_glyph_or_text(font_id, IFACE_("Enter"), BLI_STR_UTF8_RETURN_SYMBOL);
case EVT_SPACEKEY:
return key_event_glyph_or_text(
font_id, CTX_IFACE_(BLT_I18NCONTEXT_UI_EVENTS, "Space"), BLI_STR_UTF8_OPEN_BOX);
case EVT_LEFTARROWKEY:
return key_event_glyph_or_text(font_id, IFACE_("Left"), BLI_STR_UTF8_LEFTWARDS_ARROW);
case EVT_UPARROWKEY:
return key_event_glyph_or_text(font_id, IFACE_("Up"), BLI_STR_UTF8_UPWARDS_ARROW);
case EVT_RIGHTARROWKEY:
return key_event_glyph_or_text(font_id, IFACE_("Right"), BLI_STR_UTF8_RIGHTWARDS_ARROW);
case EVT_DOWNARROWKEY:
return key_event_glyph_or_text(font_id, IFACE_("Down"), BLI_STR_UTF8_DOWNWARDS_ARROW);
}
}
const EnumPropertyItem *it;
const int i = RNA_enum_from_value(rna_enum_event_type_items, int(type));
if (i == -1) {
return "";
}
it = &rna_enum_event_type_items[i];
/* We first try enum items' description (abused as short-name here),
* and fall back to usual name if empty. */
if (compact && it->description[0]) {
/* XXX No context for enum descriptions... In practice shall not be an issue though. */
return IFACE_(it->description);
}
return CTX_IFACE_(BLT_I18NCONTEXT_UI_EVENTS, it->name);
}
std::optional<std::string> WM_keymap_item_raw_to_string(const int8_t shift,
const int8_t ctrl,
const int8_t alt,
const int8_t oskey,
const int8_t hyper,
const short keymodifier,
const short val,
const short type,
const bool compact)
{
/* TODO: also support (some) value, like e.g. double-click? */
blender::Vector<std::string_view, 12> result_array;
const char *space = " ";
/* When a modifier is #KM_ANY, it isn't shown as this would end up being overly verbose. */
if (shift == KM_MOD_HELD) {
result_array.append(WM_key_event_string(EVT_LEFTSHIFTKEY, true));
result_array.append(space);
}
if (ctrl == KM_MOD_HELD) {
result_array.append(WM_key_event_string(EVT_LEFTCTRLKEY, true));
result_array.append(space);
}
if (alt == KM_MOD_HELD) {
result_array.append(WM_key_event_string(EVT_LEFTALTKEY, true));
result_array.append(space);
}
if (oskey == KM_MOD_HELD) {
result_array.append(WM_key_event_string(EVT_OSKEY, true));
result_array.append(space);
}
if (hyper == KM_MOD_HELD) {
result_array.append(WM_key_event_string(EVT_HYPER, true));
result_array.append(space);
}
if (keymodifier) {
result_array.append(WM_key_event_string(keymodifier, compact));
result_array.append(space);
}
if (type) {
if (val == KM_DBL_CLICK) {
result_array.append(IFACE_("dbl-"));
}
else if (val == KM_PRESS_DRAG) {
result_array.append(IFACE_("drag-"));
}
result_array.append(WM_key_event_string(type, compact));
}
if (!result_array.is_empty() && (result_array.last() == space)) {
result_array.remove_last();
}
return fmt::to_string(fmt::join(result_array, ""));
}
std::optional<std::string> WM_keymap_item_to_string(const wmKeyMapItem *kmi, const bool compact)
{
return WM_keymap_item_raw_to_string(kmi->shift,
kmi->ctrl,
kmi->alt,
kmi->oskey,
kmi->hyper,
kmi->keymodifier,
kmi->val,
kmi->type,
compact);
}
std::optional<std::string> WM_modalkeymap_items_to_string(const wmKeyMap *km,
const int propvalue,
const bool compact)
{
const wmKeyMapItem *kmi;
if (km == nullptr || (kmi = WM_modalkeymap_find_propvalue(km, propvalue)) == nullptr) {
return std::nullopt;
}
std::string result;
do {
result += WM_keymap_item_to_string(kmi, compact).value_or("");
if ((kmi = wm_modalkeymap_find_propvalue_iter(km, kmi, propvalue)) == nullptr) {
break;
}
result += '/';
} while (true);
return result;
}
std::optional<std::string> WM_modalkeymap_operator_items_to_string(wmOperatorType *ot,
const int propvalue,
const bool compact)
{
wmWindowManager *wm = static_cast<wmWindowManager *>(G_MAIN->wm.first);
wmKeyMap *keymap = WM_keymap_active(wm, ot->modalkeymap);
return WM_modalkeymap_items_to_string(keymap, propvalue, compact);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Keymap Finding Utilities
* \{ */
static wmKeyMapItem *wm_keymap_item_find_in_keymap(wmKeyMap *keymap,
const char *opname,
const IDProperty *properties,
const bool is_strict,
const wmKeyMapItemFind_Params *params)
{
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &keymap->items) {
/* Skip disabled keymap items, see: #38447. */
if (kmi->flag & KMI_INACTIVE) {
continue;
}
if (!STREQ(kmi->idname, opname)) {
continue;
}
bool kmi_match = false;
if (properties) {
/* Example of debugging keymaps. */
#if 0
if (kmi->ptr) {
if (STREQ("MESH_OT_rip_move", opname)) {
printf("OPERATOR\n");
IDP_print(properties);
printf("KEYMAP\n");
IDP_print(kmi->ptr->data);
}
}
#endif
if (kmi->ptr && IDP_EqualsProperties_ex(
properties, static_cast<const IDProperty *>(kmi->ptr->data), is_strict))
{
kmi_match = true;
}
/* Debug only, helps spotting mismatches between menu entries and shortcuts! */
else if (G.debug & G_DEBUG_WM) {
if (is_strict && kmi->ptr) {
wmOperatorType *ot = WM_operatortype_find(opname, true);
if (ot) {
/* Make a copy of the properties and set unset ones to their default values. */
IDProperty *properties_default = IDP_CopyProperty(
static_cast<const IDProperty *>(kmi->ptr->data));
PointerRNA opptr = RNA_pointer_create_discrete(nullptr, ot->srna, properties_default);
WM_operator_properties_default(&opptr, true);
if (IDP_EqualsProperties_ex(properties, properties_default, is_strict)) {
std::string kmi_str = WM_keymap_item_to_string(kmi, false).value_or("");
/* NOTE: given properties could come from other things than menu entry. */
printf(
"%s: Some set values in menu entry match default op values, "
"this might not be desired!\n",
opname);
printf("\tkm: '%s', kmi: '%s'\n", keymap->idname, kmi_str.c_str());
#ifndef NDEBUG
# ifdef WITH_PYTHON
printf("OPERATOR\n");
IDP_print(properties);
printf("KEYMAP\n");
IDP_print(static_cast<IDProperty *>(kmi->ptr->data));
# endif
#endif
printf("\n");
}
IDP_FreeProperty(properties_default);
}
}
}
}
else {
kmi_match = true;
}
if (kmi_match) {
if ((params == nullptr) || params->filter_fn(keymap, kmi, params->user_data)) {
return kmi;
}
}
}
return nullptr;
}
static wmKeyMapItem *wm_keymap_item_find_handlers(const bContext *C,
wmWindowManager *wm,
wmWindow *win,
ListBase *handlers,
const char *opname,
blender::wm::OpCallContext /*opcontext*/,
const IDProperty *properties,
const bool is_strict,
const wmKeyMapItemFind_Params *params,
wmKeyMap **r_keymap)
{
/* Find keymap item in handlers. */
LISTBASE_FOREACH (wmEventHandler *, handler_base, handlers) {
if (handler_base->type == WM_HANDLER_TYPE_KEYMAP) {
wmEventHandler_Keymap *handler = (wmEventHandler_Keymap *)handler_base;
wmEventHandler_KeymapResult km_result;
WM_event_get_keymaps_from_handler(wm, win, handler, &km_result);
for (int km_index = 0; km_index < km_result.keymaps_len; km_index++) {
wmKeyMap *keymap = km_result.keymaps[km_index];
if (WM_keymap_poll((bContext *)C, keymap)) {
wmKeyMapItem *kmi = wm_keymap_item_find_in_keymap(
keymap, opname, properties, is_strict, params);
if (kmi != nullptr) {
if (r_keymap) {
*r_keymap = keymap;
}
return kmi;
}
}
}
}
}
/* Ensure un-initialized keymap is never used. */
if (r_keymap) {
*r_keymap = nullptr;
}
return nullptr;
}
static wmKeyMapItem *wm_keymap_item_find_props(const bContext *C,
const char *opname,
blender::wm::OpCallContext opcontext,
const IDProperty *properties,
const bool is_strict,
const wmKeyMapItemFind_Params *params,
wmKeyMap **r_keymap)
{
wmWindowManager *wm = CTX_wm_manager(C);
wmWindow *win = CTX_wm_window(C);
ScrArea *area = CTX_wm_area(C);
ARegion *region = CTX_wm_region(C);
wmKeyMapItem *found = nullptr;
/* Look into multiple handler lists to find the item. */
if (win) {
found = wm_keymap_item_find_handlers(C,
wm,
win,
&win->modalhandlers,
opname,
opcontext,
properties,
is_strict,
params,
r_keymap);
if (found == nullptr) {
found = wm_keymap_item_find_handlers(
C, wm, win, &win->handlers, opname, opcontext, properties, is_strict, params, r_keymap);
}
}
if (area && found == nullptr) {
found = wm_keymap_item_find_handlers(
C, wm, win, &area->handlers, opname, opcontext, properties, is_strict, params, r_keymap);
}
if (found == nullptr) {
if (ELEM(opcontext,
blender::wm::OpCallContext::ExecRegionWin,
blender::wm::OpCallContext::InvokeRegionWin))
{
if (area) {
if (!(region && region->regiontype == RGN_TYPE_WINDOW)) {
region = BKE_area_find_region_type(area, RGN_TYPE_WINDOW);
}
if (region) {
found = wm_keymap_item_find_handlers(C,
wm,
win,
&region->runtime->handlers,
opname,
opcontext,
properties,
is_strict,
params,
r_keymap);
}
}
}
else if (ELEM(opcontext,
blender::wm::OpCallContext::ExecRegionChannels,
blender::wm::OpCallContext::InvokeRegionChannels))
{
if (!(region && region->regiontype == RGN_TYPE_CHANNELS)) {
region = BKE_area_find_region_type(area, RGN_TYPE_CHANNELS);
}
if (region) {
found = wm_keymap_item_find_handlers(C,
wm,
win,
&region->runtime->handlers,
opname,
opcontext,
properties,
is_strict,
params,
r_keymap);
}
}
else if (ELEM(opcontext,
blender::wm::OpCallContext::ExecRegionPreview,
blender::wm::OpCallContext::InvokeRegionPreview))
{
if (!(region && region->regiontype == RGN_TYPE_PREVIEW)) {
region = BKE_area_find_region_type(area, RGN_TYPE_PREVIEW);
}
if (region) {
found = wm_keymap_item_find_handlers(C,
wm,
win,
&region->runtime->handlers,
opname,
opcontext,
properties,
is_strict,
params,
r_keymap);
}
}
else {
if (region) {
found = wm_keymap_item_find_handlers(C,
wm,
win,
&region->runtime->handlers,
opname,
opcontext,
properties,
is_strict,
params,
r_keymap);
}
}
}
return found;
}
static wmKeyMapItem *wm_keymap_item_find(const bContext *C,
const char *opname,
blender::wm::OpCallContext opcontext,
IDProperty *properties,
bool is_strict,
const wmKeyMapItemFind_Params *params,
wmKeyMap **r_keymap)
{
/* XXX Hack! Macro operators in menu entry have their whole props defined,
* which is not the case for relevant keymap entries.
* Could be good to check and harmonize this,
* but for now always compare non-strict in this case. */
wmOperatorType *ot = WM_operatortype_find(opname, true);
if (ot) {
is_strict = is_strict && ((ot->flag & OPTYPE_MACRO) == 0);
}
wmKeyMapItem *found = wm_keymap_item_find_props(
C, opname, opcontext, properties, is_strict, params, r_keymap);
/* This block is *only* useful in one case: when op uses an enum menu in its prop member
* (then, we want to rerun a comparison with that 'prop' unset). Note this remains brittle,
* since now any enum prop may be used in UI (specified by name), ot->prop is not so much used...
* Otherwise:
* * If non-strict, unset properties always match set ones in IDP_EqualsProperties_ex.
* * If strict, unset properties never match set ones in IDP_EqualsProperties_ex,
* and we do not want that to change (else we get things like #41757)!
* ...so in either case, re-running a comparison with unset props set to default is useless.
*/
if (!found && properties) {
if (ot && ot->prop) { /* XXX Shall we also check ot->prop is actually an enum? */
/* Make a copy of the properties and unset the 'ot->prop' one if set. */
IDProperty *properties_temp = IDP_CopyProperty(properties);
PointerRNA opptr = RNA_pointer_create_discrete(nullptr, ot->srna, properties_temp);
if (RNA_property_is_set(&opptr, ot->prop)) {
/* For operator that has enum menu,
* unset it so its value does not affect comparison result. */
RNA_property_unset(&opptr, ot->prop);
found = wm_keymap_item_find_props(
C, opname, opcontext, properties_temp, is_strict, params, r_keymap);
}
IDP_FreeProperty(properties_temp);
}
}
/* Debug only, helps spotting mismatches between menu entries and shortcuts! */
if (G.debug & G_DEBUG_WM) {
if (!found && is_strict && properties) {
if (ot) {
/* Make a copy of the properties and set unset ones to their default values. */
IDProperty *properties_default = IDP_CopyProperty(properties);
PointerRNA opptr = RNA_pointer_create_discrete(nullptr, ot->srna, properties_default);
WM_operator_properties_default(&opptr, true);
wmKeyMap *km;
wmKeyMapItem *kmi = wm_keymap_item_find_props(
C, opname, opcontext, properties_default, is_strict, params, &km);
if (kmi) {
std::string kmi_str = WM_keymap_item_to_string(kmi, false).value_or("");
printf(
"%s: Some set values in keymap entry match default op values, "
"this might not be desired!\n",
opname);
printf("\tkm: '%s', kmi: '%s'\n", km->idname, kmi_str.c_str());
#ifndef NDEBUG
# ifdef WITH_PYTHON
printf("OPERATOR\n");
IDP_print(properties);
printf("KEYMAP\n");
IDP_print(static_cast<IDProperty *>(kmi->ptr->data));
# endif
#endif
printf("\n");
}
IDP_FreeProperty(properties_default);
}
}
}
return found;
}
static bool kmi_filter_is_visible(const wmKeyMap * /*km*/,
const wmKeyMapItem *kmi,
void * /*user_data*/)
{
return ((WM_key_event_string(kmi->type, false)[0] != '\0') &&
(IS_EVENT_ACTIONZONE(kmi->type) == false));
}
std::optional<std::string> WM_key_event_operator_string(const bContext *C,
const char *opname,
blender::wm::OpCallContext opcontext,
IDProperty *properties,
const bool is_strict)
{
wmKeyMapItemFind_Params params{};
params.filter_fn = kmi_filter_is_visible;
params.user_data = nullptr;
wmKeyMapItem *kmi = wm_keymap_item_find(
C, opname, opcontext, properties, is_strict, &params, nullptr);
if (kmi) {
return WM_keymap_item_to_string(kmi, false);
}
return std::nullopt;
}
static bool kmi_filter_is_visible_type_mask(const wmKeyMap *km,
const wmKeyMapItem *kmi,
void *user_data)
{
short *mask_pair = static_cast<short int *>(user_data);
return ((WM_event_type_mask_test(kmi->type, eEventType_Mask(mask_pair[0])) == true) &&
(WM_event_type_mask_test(kmi->type, eEventType_Mask(mask_pair[1])) == false) &&
kmi_filter_is_visible(km, kmi, user_data));
}
wmKeyMapItem *WM_key_event_operator(const bContext *C,
const char *opname,
blender::wm::OpCallContext opcontext,
IDProperty *properties,
const short include_mask,
const short exclude_mask,
wmKeyMap **r_keymap)
{
short user_data_mask[2] = {include_mask, exclude_mask};
bool use_mask = (include_mask != EVT_TYPE_MASK_ALL) || (exclude_mask != 0);
wmKeyMapItemFind_Params params{};
params.filter_fn = use_mask ? kmi_filter_is_visible_type_mask : kmi_filter_is_visible;
params.user_data = use_mask ? user_data_mask : nullptr;
return wm_keymap_item_find(C, opname, opcontext, properties, true, &params, r_keymap);
}
wmKeyMapItem *WM_key_event_operator_from_keymap(wmKeyMap *keymap,
const char *opname,
IDProperty *properties,
const short include_mask,
const short exclude_mask)
{
short user_data_mask[2] = {include_mask, exclude_mask};
bool use_mask = (include_mask != EVT_TYPE_MASK_ALL) || (exclude_mask != 0);
wmKeyMapItemFind_Params params{};
params.filter_fn = use_mask ? kmi_filter_is_visible_type_mask : kmi_filter_is_visible;
params.user_data = use_mask ? user_data_mask : nullptr;
return wm_keymap_item_find_in_keymap(keymap, opname, properties, true, &params);
}
bool WM_keymap_item_compare(const wmKeyMapItem *k1, const wmKeyMapItem *k2)
{
if (k1->flag & KMI_INACTIVE || k2->flag & KMI_INACTIVE) {
return false;
}
/* Take event mapping into account. */
int k1type = WM_userdef_event_map(k1->type);
int k2type = WM_userdef_event_map(k2->type);
if (k1type != KM_ANY && k2type != KM_ANY && k1type != k2type) {
return false;
}
if (k1->val != KM_ANY && k2->val != KM_ANY) {
/* Take click, press, release conflict into account. */
if (k1->val == KM_CLICK && ELEM(k2->val, KM_PRESS, KM_RELEASE, KM_CLICK) == 0) {
return false;
}
if (k2->val == KM_CLICK && ELEM(k1->val, KM_PRESS, KM_RELEASE, KM_CLICK) == 0) {
return false;
}
if (k1->val != k2->val) {
return false;
}
if (k1->val == KM_PRESS_DRAG && (k1->direction != k2->direction)) {
return false;
}
}
if (k1->shift != KM_ANY && k2->shift != KM_ANY && k1->shift != k2->shift) {
return false;
}
if (k1->ctrl != KM_ANY && k2->ctrl != KM_ANY && k1->ctrl != k2->ctrl) {
return false;
}
if (k1->alt != KM_ANY && k2->alt != KM_ANY && k1->alt != k2->alt) {
return false;
}
if (k1->oskey != KM_ANY && k2->oskey != KM_ANY && k1->oskey != k2->oskey) {
return false;
}
if (k1->hyper != KM_ANY && k2->hyper != KM_ANY && k1->hyper != k2->hyper) {
return false;
}
if (k1->keymodifier != k2->keymodifier) {
return false;
}
return true;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Update Final Configuration
*
* On load or other changes, the final user key configuration is rebuilt from the preset,
* add-on and user preferences keymaps. We also test if the final configuration changed and write
* the changes to the user preferences.
* \{ */
/* So operator removal can trigger update. */
enum {
WM_KEYMAP_UPDATE_RECONFIGURE = (1 << 0),
/* Ensure all wmKeyMap have their operator types validated after removing an operator. */
WM_KEYMAP_UPDATE_OPERATORTYPE = (1 << 1),
WM_KEYMAP_UPDATE_POSTPONE = (1 << 2),
};
static char wm_keymap_update_flag = 0;
static char wm_keymap_update_suppress_flag = 0;
#ifndef NDEBUG
static int8_t wm_keymap_update_suppress_count = 0;
#endif
void WM_keyconfig_update_tag(wmKeyMap *keymap, wmKeyMapItem *kmi)
{
/* Quick tag to do delayed keymap updates. */
wm_keymap_update_flag |= WM_KEYMAP_UPDATE_RECONFIGURE;
if (keymap) {
keymap->flag |= KEYMAP_UPDATE;
}
if (kmi) {
kmi->flag |= KMI_UPDATE;
}
}
void WM_keyconfig_update_operatortype_tag()
{
wm_keymap_update_flag |= WM_KEYMAP_UPDATE_OPERATORTYPE;
}
/* NOTE(@ideasman42): regarding suppressing updates.
* If this becomes a common operation it would be better use something more general,
* a key-map flag for example to signify that the key-map is stored outside of a #wmKeyConfig
* and should not receive updates on modification. At the moment this has the down-side of
* needing to be supported in quite a few places for something which isn't used much.
* Since the use case for this is limited, add functions to begin/end suppression.
* If these end up being used a lot we can consider alternatives. */
void WM_keyconfig_update_suppress_begin()
{
#ifndef NDEBUG
BLI_assert(wm_keymap_update_suppress_count == 0);
wm_keymap_update_suppress_count += 1;
#endif
wm_keymap_update_suppress_flag = wm_keymap_update_flag;
}
void WM_keyconfig_update_suppress_end()
{
#ifndef NDEBUG
BLI_assert(wm_keymap_update_suppress_count == 1);
wm_keymap_update_suppress_count -= 1;
#endif
wm_keymap_update_flag = wm_keymap_update_suppress_flag;
wm_keymap_update_suppress_flag = 0;
}
void WM_keyconfig_update_postpone_begin()
{
wm_keymap_update_flag |= WM_KEYMAP_UPDATE_POSTPONE;
}
void WM_keyconfig_update_postpone_end()
{
wm_keymap_update_flag &= ~WM_KEYMAP_UPDATE_POSTPONE;
}
static bool wm_keymap_test_and_clear_update(wmKeyMap *km)
{
int update = (km->flag & KEYMAP_UPDATE);
km->flag &= ~KEYMAP_UPDATE;
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &km->items) {
update = update || (kmi->flag & KMI_UPDATE);
kmi->flag &= ~KMI_UPDATE;
}
return (update != 0);
}
static wmKeyMap *wm_keymap_preset(wmWindowManager *wm, wmKeyConfig *keyconf, wmKeyMap *km)
{
BLI_assert(keyconf == WM_keyconfig_active(wm));
wmKeyMap *keymap = WM_keymap_list_find(&keyconf->keymaps, km->idname, km->spaceid, km->regionid);
if (!keymap && wm->runtime->defaultconf) {
keymap = WM_keymap_list_find(
&wm->runtime->defaultconf->keymaps, km->idname, km->spaceid, km->regionid);
}
return keymap;
}
void WM_keyconfig_update_on_startup(wmWindowManager *wm)
{
/* Ignore #WM_KEYMAP_UPDATE_OPERATORTYPE flag on startup,
* it's likely to be enabled because it's set when registering any operator
* however running this is unnecessary since the key-map hasn't been initialized.
* It's harmless but would add redundant initialization every startup. */
wm_keymap_update_flag &= ~WM_KEYMAP_UPDATE_OPERATORTYPE;
WM_keyconfig_update_ex(wm, false);
}
void WM_keyconfig_update(wmWindowManager *wm)
{
WM_keyconfig_update_ex(wm, false);
}
void WM_keyconfig_update_ex(wmWindowManager *wm, bool keep_properties)
{
if (wm_keymap_update_flag == 0) {
return;
}
bool compat_update = false;
/* Update drop-boxes when the operators have been added or removed. While this isn't an ideal
* place to update drop-boxes, they share characteristics with key-map items.
* We could consider renaming this to API function so it's not only relating to keymaps. */
bool dropbox_update = false;
/* Postpone update until after the key-map has been initialized
* to ensure add-ons have been loaded, see: #113603. */
if (wm_keymap_update_flag & WM_KEYMAP_UPDATE_POSTPONE) {
return;
}
if (wm_keymap_update_flag & WM_KEYMAP_UPDATE_OPERATORTYPE) {
/* One or more operator-types have been removed, this won't happen often
* but when it does we have to check _every_ key-map item. */
wm_keymap_item_properties_update_ot_from_list(&U.user_keymaps, keep_properties);
LISTBASE_FOREACH (wmKeyConfig *, kc, &wm->runtime->keyconfigs) {
wm_keymap_item_properties_update_ot_from_list(&kc->keymaps, keep_properties);
}
/* An operator has been removed, refresh. */
dropbox_update = true;
wm_keymap_update_flag &= ~WM_KEYMAP_UPDATE_OPERATORTYPE;
}
if (wm_keymap_update_flag & WM_KEYMAP_UPDATE_RECONFIGURE) {
wmKeyConfig *kc_active = WM_keyconfig_active(wm);
/* Update operator properties for non-modal user keymaps. */
LISTBASE_FOREACH (wmKeyMap *, km, &U.user_keymaps) {
if ((km->flag & KEYMAP_MODAL) == 0) {
LISTBASE_FOREACH (wmKeyMapDiffItem *, kmdi, &km->diff_items) {
if (kmdi->add_item) {
wm_keymap_item_properties_set(kmdi->add_item);
}
if (kmdi->remove_item) {
wm_keymap_item_properties_set(kmdi->remove_item);
}
}
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &km->items) {
wm_keymap_item_properties_set(kmi);
}
}
}
/* Update `U.user_keymaps` with user key configuration changes. */
LISTBASE_FOREACH (wmKeyMap *, km, &wm->runtime->userconf->keymaps) {
/* Only diff if the user keymap was modified. */
if (wm_keymap_test_and_clear_update(km)) {
/* Find keymaps. */
wmKeyMap *defaultmap = wm_keymap_preset(wm, kc_active, km);
wmKeyMap *addonmap = WM_keymap_list_find(
&wm->runtime->addonconf->keymaps, km->idname, km->spaceid, km->regionid);
/* Diff. */
if (defaultmap) {
wm_keymap_diff_update(&U.user_keymaps, defaultmap, addonmap, km);
}
}
}
/* Create user key configuration from preset + addon + user preferences. */
LISTBASE_FOREACH (wmKeyMap *, km, &wm->runtime->defaultconf->keymaps) {
/* Find keymaps. */
wmKeyMap *defaultmap = wm_keymap_preset(wm, kc_active, km);
wmKeyMap *addonmap = WM_keymap_list_find(
&wm->runtime->addonconf->keymaps, km->idname, km->spaceid, km->regionid);
wmKeyMap *usermap = WM_keymap_list_find(
&U.user_keymaps, km->idname, km->spaceid, km->regionid);
/* For now only the default map defines modal key-maps,
* if we support modal keymaps for 'addonmap', these will need to be enabled too. */
wm_user_modal_keymap_set_items(wm, defaultmap);
/* Add. */
wmKeyMap *kmn = wm_keymap_patch_update(
&wm->runtime->userconf->keymaps, defaultmap, addonmap, usermap);
if (kmn) {
kmn->modal_items = km->modal_items;
kmn->poll = km->poll;
kmn->poll_modal_item = km->poll_modal_item;
}
/* In case of old non-diff keymaps, force extra update to create diffs. */
compat_update = compat_update || (usermap && !(usermap->flag & KEYMAP_DIFF));
}
/* An operator may have been added, refresh. */
dropbox_update = true;
wm_keymap_update_flag &= ~WM_KEYMAP_UPDATE_RECONFIGURE;
}
BLI_assert(wm_keymap_update_flag == 0);
if (compat_update) {
WM_keyconfig_update_tag(nullptr, nullptr);
WM_keyconfig_update(wm);
}
if (dropbox_update) {
WM_dropbox_update_ot();
}
/* NOTE(@ideasman42): open preferences will contain "stale" #wmKeyMapItem data.
*
* The common case this solves is using Blender with the key-map editor open,
* an action in the view-port for example may manipulate the key-map causing it to be rebuilt.
* Later interaction with the key-map editor may then attempt to access freed data.
*
* Take care, this is _not_ fool proof because it's possible:
* - Key-map options to be shown in any region (using scripts).
* - Key-map re-generation could happen while the preferences is open,
* where the data becomes stale before the UI has a chance to redraw.
*
* In practice both cases are quite unlikely though. */
if (U.space_data.section_active == USER_SECTION_KEYMAP) {
LISTBASE_FOREACH (wmWindow *, win, &wm->windows) {
bScreen *screen = WM_window_get_active_screen(win);
LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
if (area->spacetype == SPACE_USERPREF) {
ED_area_tag_redraw(area);
}
}
}
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Event Handling
*
* Handlers have pointers to the keymap in the default configuration.
* During event handling this function is called to get the keymap from the final configuration.
* \{ */
wmKeyMap *WM_keymap_active(const wmWindowManager *wm, wmKeyMap *keymap)
{
if (!keymap) {
return nullptr;
}
/* First user defined keymaps. */
wmKeyMap *km = WM_keymap_list_find(
&wm->runtime->userconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
if (km) {
return km;
}
return keymap;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Keymap Editor
*
* In the keymap editor the user key configuration is edited.
* \{ */
void WM_keymap_item_restore_to_default(wmWindowManager *wm, wmKeyMap *keymap, wmKeyMapItem *kmi)
{
if (!keymap) {
return;
}
/* Construct default keymap from preset + addons. */
wmKeyConfig *kc_active = WM_keyconfig_active(wm);
wmKeyMap *defaultmap = wm_keymap_preset(wm, kc_active, keymap);
wmKeyMap *addonmap = WM_keymap_list_find(
&wm->runtime->addonconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
if (addonmap) {
defaultmap = wm_keymap_copy(defaultmap);
wm_keymap_addon_add(defaultmap, addonmap);
}
/* Find original item. */
wmKeyMapItem *orig = WM_keymap_item_find_id(defaultmap, kmi->id);
if (orig) {
/* Restore to original. */
if (!STREQ(orig->idname, kmi->idname)) {
STRNCPY(kmi->idname, orig->idname);
WM_keymap_item_properties_reset(kmi, nullptr);
}
if (orig->properties) {
if (kmi->properties) {
IDP_FreeProperty(kmi->properties);
kmi->properties = nullptr;
}
kmi->properties = IDP_CopyProperty(orig->properties);
if (kmi->ptr) {
kmi->ptr->data = kmi->properties;
}
}
kmi->propvalue = orig->propvalue;
kmi->type = orig->type;
kmi->val = orig->val;
kmi->shift = orig->shift;
kmi->ctrl = orig->ctrl;
kmi->alt = orig->alt;
kmi->oskey = orig->oskey;
kmi->hyper = orig->hyper;
kmi->keymodifier = orig->keymodifier;
kmi->maptype = orig->maptype;
kmi->flag = (kmi->flag & ~(KMI_REPEAT_IGNORE | KMI_INACTIVE)) |
(orig->flag & (KMI_REPEAT_IGNORE | KMI_INACTIVE));
WM_keyconfig_update_tag(keymap, kmi);
}
/* Free temporary keymap. */
if (addonmap) {
WM_keymap_clear(defaultmap);
MEM_freeN(defaultmap);
}
}
void WM_keymap_restore_to_default(wmKeyMap *keymap, wmWindowManager *wm)
{
/* Remove keymap from U.user_keymaps and update. */
wmKeyMap *usermap = WM_keymap_list_find(
&U.user_keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
if (usermap) {
WM_keymap_clear(usermap);
BLI_freelinkN(&U.user_keymaps, usermap);
WM_keyconfig_update_tag(nullptr, nullptr);
WM_keyconfig_update(wm);
}
}
const char *WM_bool_as_string(bool test)
{
return test ? IFACE_("ON") : IFACE_("OFF");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Keymap Queries
* \{ */
wmKeyMapItem *WM_keymap_item_find_id(wmKeyMap *keymap, const int id)
{
LISTBASE_FOREACH (wmKeyMapItem *, kmi, &keymap->items) {
if (kmi->id == id) {
return kmi;
}
}
return nullptr;
}
wmKeyMapItem *WM_keymap_item_find_match(wmKeyMap *km_base,
wmKeyMap *km_match,
const wmKeyMapItem *kmi_match,
ReportList *reports)
{
/* NOTE: this is called by RNA, some of the reports in this function
* would be asserts when called from C++. */
if (wm_keymap_update_flag != 0) {
/* NOTE: this could be limited to the key-maps marked for updating.
* However #KEYMAP_UPDATE is only cleared for `wm->runtime->userconf`
* so only check the global flag for now.
*
* Use a warning not an error because scripts cannot prevent other scripts from manipulating
* key-map items, so we won't want scripts to create exceptions in unrelated scripts.
* Ideally we could detect which key-maps have been modified. */
BKE_reportf(reports,
RPT_WARNING,
"KeyMap item result may be incorrect since an update is pending, call "
"`context.window_manager.keyconfigs.update()` to ensure matches can be found.");
}
if (km_base == km_match) {
/* We could also return `kmi_match` (it's technically correct)
* however this is almost certainly API misuse (as it's a no-op). */
BKE_report(reports, RPT_ERROR, "KeyMaps are equal");
return nullptr;
}
const char *idname = km_base->idname;
const short spaceid = km_base->spaceid;
const short regionid = km_base->regionid;
if (!wm_keymap_is_match(km_base, km_match)) {
BKE_reportf(
reports, RPT_ERROR, "KeyMap \"%s\" does not match \"%s\"", idname, km_match->idname);
return nullptr;
}
wmWindowManager *wm = static_cast<wmWindowManager *>(G_MAIN->wm.first);
wmKeyConfig *kc_active = WM_keyconfig_active(wm);
/* NOTE: the key-maps could store this, it would simplify checks here. */
enum {
KM_TYPE_UNKNOWN = 0,
KM_TYPE_USER,
KM_TYPE_ADDON,
KM_TYPE_ACTIVE,
/* No support yet for preferences. */
} base_type = KM_TYPE_UNKNOWN,
match_type = KM_TYPE_UNKNOWN;
if (km_base->flag & KEYMAP_USER) {
if (km_base == WM_keymap_list_find(&wm->runtime->userconf->keymaps, idname, spaceid, regionid))
{
base_type = KM_TYPE_USER;
}
}
if ((km_match->flag & KEYMAP_USER) == 0) {
if (km_match ==
WM_keymap_list_find(&wm->runtime->addonconf->keymaps, idname, spaceid, regionid))
{
match_type = KM_TYPE_ADDON;
}
else if (km_match == WM_keymap_list_find(&kc_active->keymaps, idname, spaceid, regionid)) {
match_type = KM_TYPE_ACTIVE;
}
}
if (base_type == KM_TYPE_UNKNOWN) {
BKE_reportf(reports, RPT_ERROR, "KeyMap \"%s\" (base) must be a user keymap", idname);
return nullptr;
}
if (match_type == KM_TYPE_UNKNOWN) {
BKE_reportf(
reports, RPT_ERROR, "KeyMap \"%s\" (other) must be an add-on or active keymap", idname);
return nullptr;
}
const int kmi_index = BLI_findindex(&km_match->items, kmi_match);
if (kmi_index == -1) {
BKE_reportf(reports, RPT_ERROR, "KeyMap \"%s\" item not part of the keymap", idname);
return nullptr;
}
int kmi_id;
if (match_type == KM_TYPE_ADDON) {
/* Perform the following lookup that calculates the ID that *would* be used
* if the user key-map was re-created, see: #WM_keymap_item_restore_to_default.
*
* Find the index of the key-map item and add this to the `defaultmap`'s key-map index
* since this is how the "user" key-map ID's are generated.
*
* This is needed so add-ons can show the user key-map items in preferences. */
wmKeyMap *defaultmap = wm_keymap_preset(wm, kc_active, km_base);
if (defaultmap == nullptr) {
/* This should practically never fail, it could be caused by failure
* to refresh the user key-map after manipulating the add-on key-map. */
return nullptr;
}
kmi_id = defaultmap->kmi_id + kmi_index + 1;
}
else {
kmi_id = kmi_match->id;
}
/* Returning null here isn't an error because it's possible there is no match. */
return WM_keymap_item_find_id(km_base, kmi_id);
}
/** \} */
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