Files
oak-editor/app/widget/timelinewidget/tool/zoom.cpp
T
Mike-Solar bb40b4923e style: unify identifier naming per updated conventions
Automated with clang-tidy readability-identifier-naming (config added to
.clang-tidy) plus scripted passes, per the updated rules now documented
in CONTRIBUTING.md:

- types (class/struct/enum/alias/template params): PascalCase
- functions, variables, members: snake_case (incl. rational -> Rational)
- private/protected members: trailing underscore; static member
  variables likewise (instance_, available_themes_)
- constants and enum values: snake_case (kLinear -> k_linear,
  F32P -> f32p); ALL_CAPS reserved for macros
- macros: OAK_ prefix (OLIVE_ADD_TEST/OLIVE_ASSERT/OLIVE_CONFIG ->
  OAK_ADD_TEST/OAK_ASSERT/OAK_CONFIG, GL_PREAMBLE -> OAK_GL_PREAMBLE,
  include guards -> OAK_*)
- file names: all lowercase (Current/Plugin/OliveHost/OliveClip/
  OlivePluginInstance -> current/plugin/olivehost/oliveclip/
  oliveplugininstance)
- getters share the member name sans underscore, setters set_foo()
- Qt and third-party (OpenFX) virtual overrides and framework callbacks
  keep their original names (exempt in .clang-tidy)

Manual follow-ups required where automation could not reach:
- string-based QMetaObject/SIGNAL/SLOT references updated to renamed
  methods (AddTask, CreatedFile, DeleteSpecificFile, moveSelectionUp, ...)
- macro bodies referencing renamed methods (OLIVE_CONFIG,
  NODE_DEFAULT_DESTRUCTOR, MANAGEDDISPLAYWIDGET_*)
- self-shadowing locals renamed where signals/methods became same-named
  (size_changed, worker_count, selected_items, import param, filters)
- third_party OFX member/namespace usages restored (OFX::Host::*,
  _created, _clipPrefsDirty, createInstance, clearPersistentMessage)
- STL protocol aliases restored (const_iterator) with .clang-tidy
  ignore rules; qHash overloads restored

Full build and test suite pass: ctest 4/4, ~1960 gtest cases green.
2026-07-19 16:10:54 +08:00

113 lines
2.8 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
Modifications Copyright (C) 2025 mikesolar
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "widget/timelinewidget/timelinewidget.h"
#include "zoom.h"
namespace olive
{
ZoomTool::ZoomTool(TimelineWidget *parent)
: TimelineTool(parent)
{
}
void ZoomTool::mouse_press(TimelineViewMouseEvent *event)
{
Q_UNUSED(event)
drag_global_start_ = QCursor::pos();
}
void ZoomTool::mouse_move(TimelineViewMouseEvent *event)
{
Q_UNUSED(event)
if (!dragging_) {
parent()->start_rubber_band_select(drag_global_start_);
dragging_ = true;
}
parent()->move_rubber_band_select(false, false);
}
void ZoomTool::mouse_release(TimelineViewMouseEvent *event)
{
int scroll_value;
if (dragging_) {
// Zoom into the rubberband selection
QRect screen_coords = parent()->get_rubber_band_geometry();
parent()->end_rubber_band_select();
TimelineView *reference_view = parent()->get_first_timeline_view();
QPointF scene_topleft = reference_view->mapToScene(
reference_view->mapFrom(parent(), screen_coords.topLeft()));
QPointF scene_bottomright = reference_view->mapToScene(
reference_view->mapFrom(parent(), screen_coords.bottomRight()));
double scene_left = scene_topleft.x();
double scene_right = scene_bottomright.x();
// Normalize scale to 1.0 scale
double scene_width = (scene_right - scene_left) / parent()->get_scale();
double new_scale =
qMin(parent()->get_first_timeline_view()->get_maximum_scale(),
static_cast<double>(reference_view->viewport()->width()) /
scene_width);
parent()->SetScale(new_scale);
scroll_value =
qMax(0, qRound(scene_left / parent()->get_scale() * new_scale));
dragging_ = false;
} else {
// Simple zoom in/out at the cursor position
double scale = parent()->get_scale();
if (event->get_modifiers() & Qt::AltModifier) {
// Zoom out if the user clicks while holding Alt
scale *= 0.5;
} else {
// Otherwise zoom in
scale *= 2.0;
}
parent()->SetScale(scale);
// Adjust scroll location for new scale
double frame_x = event->get_frame().to_double() * scale;
scroll_value = qMax(
0,
qRound(frame_x -
parent()->get_first_timeline_view()->viewport()->width() / 2));
}
parent()->queue_scroll(scroll_value);
}
}