void OBSBasicPreview::DrawSceneEditing()
{
if (locked)
return;
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
gs_effect_t *solid = obs_get_base_effect(OBS_EFFECT_SOLID);
gs_technique_t *tech = gs_effect_get_technique(solid, "Solid");
vec4 color;
vec4_set(&color, 1.0f, 0.0f, 0.0f, 1.0f);
gs_effect_set_vec4(gs_effect_get_param_by_name(solid, "color"), &color);
gs_technique_begin(tech);
gs_technique_begin_pass(tech, 0);
OBSScene scene = main->GetCurrentScene();
if (scene) {
gs_matrix_push();
gs_matrix_scale3f(main->previewScale, main->previewScale, 1.0f);
obs_scene_enum_items(scene, DrawSelectedItem, this);
gs_matrix_pop();
}
gs_load_vertexbuffer(nullptr);
gs_technique_end_pass(tech);
gs_technique_end(tech);
}
void OBSBasicPreview::GetStretchHandleData(const vec2 &pos)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
if (!scene)
return;
float scale = main->previewScale / main->devicePixelRatio();
vec2 scaled_pos = pos;
vec2_divf(&scaled_pos, &scaled_pos, scale);
HandleFindData data(scaled_pos, scale);
obs_scene_enum_items(scene, FindHandleAtPos, &data);
stretchItem = std::move(data.item);
stretchHandle = data.handle;
if (stretchHandle != ItemHandle::None) {
matrix4 boxTransform;
vec3 itemUL;
float itemRot;
stretchItemSize = GetItemSize(stretchItem);
obs_sceneitem_get_box_transform(stretchItem, &boxTransform);
itemRot = obs_sceneitem_get_rot(stretchItem);
vec3_from_vec4(&itemUL, &boxTransform.t);
/* build the item space conversion matrices */
matrix4_identity(&itemToScreen);
matrix4_rotate_aa4f(&itemToScreen, &itemToScreen,
0.0f, 0.0f, 1.0f, RAD(itemRot));
matrix4_translate3f(&itemToScreen, &itemToScreen,
itemUL.x, itemUL.y, 0.0f);
matrix4_identity(&screenToItem);
matrix4_translate3f(&screenToItem, &screenToItem,
-itemUL.x, -itemUL.y, 0.0f);
matrix4_rotate_aa4f(&screenToItem, &screenToItem,
0.0f, 0.0f, 1.0f, RAD(-itemRot));
obs_sceneitem_get_crop(stretchItem, &startCrop);
obs_sceneitem_get_pos(stretchItem, &startItemPos);
obs_source_t *source = obs_sceneitem_get_source(stretchItem);
cropSize.x = float(obs_source_get_width(source) -
startCrop.left - startCrop.right);
cropSize.y = float(obs_source_get_height(source) -
startCrop.top - startCrop.bottom);
stretchGroup = obs_sceneitem_get_group(scene, stretchItem);
if (stretchGroup) {
obs_sceneitem_get_draw_transform(stretchGroup,
&invGroupTransform);
matrix4_inv(&invGroupTransform,
&invGroupTransform);
obs_sceneitem_defer_group_resize_begin(stretchGroup);
}
}
}
static void AddExisting(const char *name, bool visible, bool duplicate)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
if (!scene)
return;
obs_source_t *source = obs_get_source_by_name(name);
if (source) {
if (duplicate) {
obs_source_t *from = source;
char *new_name = get_new_source_name(name);
source = obs_source_duplicate(from, new_name, false);
bfree(new_name);
obs_source_release(from);
if (!source)
return;
}
AddSourceData data;
data.source = source;
data.visible = visible;
obs_enter_graphics();
obs_scene_atomic_update(scene, AddSource, &data);
obs_leave_graphics();
obs_source_release(source);
}
}
void OBSBasicPreview::DoSelect(const vec2 &pos)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
OBSSceneItem item = GetItemAtPos(pos, true);
obs_scene_enum_items(scene, select_one, (obs_sceneitem_t*)item);
}
void OBSBasic::AddDropSource(const char *data, DropType image)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
obs_data_t *settings = obs_data_create();
obs_source_t *source = nullptr;
const char *type = nullptr;
QString name;
switch (image) {
case DropType_RawText:
obs_data_set_string(settings, "text", data);
#ifdef _WIN32
type = "text_gdiplus";
#else
type = "text_ft2_source";
#endif
break;
case DropType_Text:
#ifdef _WIN32
obs_data_set_bool(settings, "read_from_file", true);
obs_data_set_string(settings, "file", data);
name = QUrl::fromLocalFile(QString(data)).fileName();
type = "text_gdiplus";
#else
obs_data_set_bool(settings, "from_file", true);
obs_data_set_string(settings, "text_file", data);
type = "text_ft2_source";
#endif
break;
case DropType_Image:
obs_data_set_string(settings, "file", data);
name = QUrl::fromLocalFile(QString(data)).fileName();
type = "image_source";
break;
case DropType_Media:
obs_data_set_string(settings, "local_file", data);
name = QUrl::fromLocalFile(QString(data)).fileName();
type = "ffmpeg_source";
break;
}
if (name.isEmpty())
name = obs_source_get_display_name(type);
source = obs_source_create(type,
GenerateSourceName(QT_TO_UTF8(name)).c_str(),
settings, nullptr);
if (source) {
OBSScene scene = main->GetCurrentScene();
obs_scene_add(scene, source);
obs_source_release(source);
}
obs_data_release(settings);
}
bool OBSBasicPreview::SelectedAtPos(const vec2 &pos)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
if (!scene)
return false;
SceneFindData data(pos, false);
obs_scene_enum_items(scene, CheckItemSelected, &data);
return !!data.item;
}
OBSSceneItem OBSBasicPreview::GetItemAtPos(const vec2 &pos, bool selectBelow)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
if (!scene)
return OBSSceneItem();
SceneFindData data(pos, selectBelow);
obs_scene_enum_items(scene, FindItemAtPos, &data);
return data.item;
}
void OBSBasicPreview::mouseMoveEvent(QMouseEvent *event)
{
if (scrollMode && event->buttons() == Qt::LeftButton) {
scrollingOffset.x += event->x() - scrollingFrom.x;
scrollingOffset.y += event->y() - scrollingFrom.y;
scrollingFrom.x = event->x();
scrollingFrom.y = event->y();
emit DisplayResized();
return;
}
if (locked)
return;
if (mouseDown) {
vec2 pos = GetMouseEventPos(event);
if (!mouseMoved && !mouseOverItems &&
stretchHandle == ItemHandle::None) {
ProcessClick(startPos);
mouseOverItems = SelectedAtPos(startPos);
}
pos.x = std::round(pos.x);
pos.y = std::round(pos.y);
if (stretchHandle != ItemHandle::None) {
OBSBasic *main = reinterpret_cast<OBSBasic*>(
App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
obs_sceneitem_t *group = obs_sceneitem_get_group(
scene, stretchItem);
if (group) {
vec3 group_pos;
vec3_set(&group_pos, pos.x, pos.y, 0.0f);
vec3_transform(&group_pos, &group_pos,
&invGroupTransform);
pos.x = group_pos.x;
pos.y = group_pos.y;
}
if (cropping)
CropItem(pos);
else
StretchItem(pos);
} else if (mouseOverItems) {
MoveItems(pos);
}
mouseMoved = true;
}
}
void OBSBasicPreview::SnapItemMovement(vec2 &offset)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
SelectedItemBounds data;
obs_scene_enum_items(scene, AddItemBounds, &data);
data.tl.x += offset.x;
data.tl.y += offset.y;
data.br.x += offset.x;
data.br.y += offset.y;
vec3 snapOffset = GetSnapOffset(data.tl, data.br);
const bool snap = config_get_bool(GetGlobalConfig(),
"BasicWindow", "SnappingEnabled");
const bool sourcesSnap = config_get_bool(GetGlobalConfig(),
"BasicWindow", "SourceSnapping");
if (snap == false)
return;
if (sourcesSnap == false) {
offset.x += snapOffset.x;
offset.y += snapOffset.y;
return;
}
const float clampDist = config_get_double(GetGlobalConfig(),
"BasicWindow", "SnapDistance") / main->previewScale;
OffsetData offsetData;
offsetData.clampDist = clampDist;
offsetData.tl = data.tl;
offsetData.br = data.br;
vec3_copy(&offsetData.offset, &snapOffset);
obs_scene_enum_items(scene, GetSourceSnapOffset, &offsetData);
if (fabsf(offsetData.offset.x) > EPSILON ||
fabsf(offsetData.offset.y) > EPSILON) {
offset.x += offsetData.offset.x;
offset.y += offsetData.offset.y;
} else {
offset.x += snapOffset.x;
offset.y += snapOffset.y;
}
}
void OBSBasicPreview::MoveItems(const vec2 &pos)
{
Qt::KeyboardModifiers modifiers = QGuiApplication::keyboardModifiers();
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
vec2 offset, moveOffset;
vec2_sub(&offset, &pos, &startPos);
vec2_sub(&moveOffset, &offset, &lastMoveOffset);
if (!(modifiers & Qt::ControlModifier))
SnapItemMovement(moveOffset);
vec2_add(&lastMoveOffset, &lastMoveOffset, &moveOffset);
obs_scene_enum_items(scene, move_items, &moveOffset);
}
void OBSBasicPreview::SnapItemMovement(vec2 &offset)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
SelectedItemBounds data;
obs_scene_enum_items(scene, AddItemBounds, &data);
data.tl.x += offset.x;
data.tl.y += offset.y;
data.br.x += offset.x;
data.br.y += offset.y;
vec3 snapOffset = GetScreenSnapOffset(data.tl, data.br);
offset.x += snapOffset.x;
offset.y += snapOffset.y;
}
bool OBSBasicSourceSelect::EnumGroups(void *data, obs_source_t *source)
{
OBSBasicSourceSelect *window = static_cast<OBSBasicSourceSelect*>(data);
const char *name = obs_source_get_name(source);
const char *id = obs_source_get_id(source);
if (strcmp(id, window->id) == 0) {
OBSBasic *main = reinterpret_cast<OBSBasic*>(
App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
obs_sceneitem_t *existing = obs_scene_get_group(scene, name);
if (!existing)
window->ui->sourceList->addItem(QT_UTF8(name));
}
return true;
}
void OBSBasicPreview::GetStretchHandleData(const vec2 &pos)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
if (!scene)
return;
HandleFindData data(pos, main->previewScale);
obs_scene_enum_items(scene, FindHandleAtPos, &data);
stretchItem = std::move(data.item);
stretchHandle = data.handle;
if (stretchHandle != ItemHandle::None) {
matrix4 boxTransform;
vec3 itemUL;
float itemRot;
stretchItemSize = GetItemSize(stretchItem);
obs_sceneitem_get_box_transform(stretchItem, &boxTransform);
itemRot = obs_sceneitem_getrot(stretchItem);
vec3_from_vec4(&itemUL, &boxTransform.t);
/* build the item space conversion matrices */
matrix4_identity(&itemToScreen);
matrix4_rotate_aa4f(&itemToScreen, &itemToScreen,
0.0f, 0.0f, 1.0f, RAD(itemRot));
matrix4_translate3f(&itemToScreen, &itemToScreen,
itemUL.x, itemUL.y, 0.0f);
matrix4_identity(&screenToItem);
matrix4_translate3f(&screenToItem, &screenToItem,
-itemUL.x, -itemUL.y, 0.0f);
matrix4_rotate_aa4f(&screenToItem, &screenToItem,
0.0f, 0.0f, 1.0f, RAD(-itemRot));
}
}
void OBSBasic::AddDropSource(const char *data, DropType image)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
obs_data_t *settings = obs_data_create();
obs_source_t *source = nullptr;
const char *type = nullptr;
switch (image) {
case DropType_RawText:
obs_data_set_string(settings, "text", data);
type = "text_gdiplus";
break;
case DropType_Text:
obs_data_set_bool(settings, "read_from_file", true);
obs_data_set_string(settings, "file", data);
type = "text_gdiplus";
break;
case DropType_Image:
obs_data_set_string(settings, "file", data);
type = "image_source";
break;
case DropType_Media:
obs_data_set_string(settings, "local_file", data);
type = "ffmpeg_source";
break;
}
const char *name = obs_source_get_display_name(type);
source = obs_source_create(type, GenerateSourceName(name).c_str(),
settings, nullptr);
if (source) {
OBSScene scene = main->GetCurrentScene();
obs_scene_add(scene, source);
obs_source_release(source);
}
obs_data_release(settings);
}
void OBSBasicPreview::DrawSceneEditing()
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
effect_t solid = obs_get_solid_effect();
technique_t tech = effect_gettechnique(solid, "Solid");
vec4 color;
vec4_set(&color, 1.0f, 0.0f, 0.0f, 1.0f);
effect_setvec4(solid, effect_getparambyname(solid, "color"), &color);
technique_begin(tech);
technique_beginpass(tech, 0);
OBSScene scene = main->GetCurrentScene();
if (scene)
obs_scene_enum_items(scene, DrawSelectedItem, this);
gs_load_vertexbuffer(nullptr);
technique_endpass(tech);
technique_end(tech);
}
bool AddNew(QWidget *parent, const char *id, const char *name,
const bool visible, OBSSource &newSource)
{
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSScene scene = main->GetCurrentScene();
bool success = false;
if (!scene)
return false;
obs_source_t *source = obs_get_source_by_name(name);
if (source) {
OBSMessageBox::information(parent,
QTStr("NameExists.Title"),
QTStr("NameExists.Text"));
} else {
source = obs_source_create(id, name, NULL, nullptr);
if (source) {
AddSourceData data;
data.source = source;
data.visible = visible;
obs_enter_graphics();
obs_scene_atomic_update(scene, AddSource, &data);
obs_leave_graphics();
newSource = source;
success = true;
}
}
obs_source_release(source);
return success;
}
