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custom style delegate for icon view

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This commit is contained in:
itsmattkc
2019-03-24 22:34:34 +11:00
parent be01bdd6f9
commit 54518a5896
15 changed files with 1085 additions and 74 deletions
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global/config.h
+4 -1
View File
@@ -120,7 +120,10 @@ namespace olive {
PROJECT_VIEW_TREE,
/** Display project media in icon browser */
PROJECT_VIEW_ICON
PROJECT_VIEW_ICON,
/** Display project media in list browser */
PROJECT_VIEW_LIST
};
/**
global/math.cpp
+43 -24
View File
@@ -26,57 +26,76 @@
#include "debug.h"
int lerp(int a, int b, double t) {
return qRound(((1.0 - t) * a) + (t * b));
return qRound(((1.0 - t) * a) + (t * b));
}
float float_lerp(float a, float b, float t) {
return ((1.0F - t) * a) + (t * b);
return ((1.0F - t) * a) + (t * b);
}
double double_lerp(double a, double b, double t) {
return ((1.0 - t) * a) + (t * b);
return ((1.0 - t) * a) + (t * b);
}
double quad_from_t(double a, double b, double c, double t) {
return qPow(1.0 - t, 2)*a + 2*(1.0 - t)*t*b + qPow(t, 2)*c;
return qPow(1.0 - t, 2)*a + 2*(1.0 - t)*t*b + qPow(t, 2)*c;
}
double quad_t_from_x(double x, double a, double b, double c) {
return (a - b + qSqrt(a*x + c*x - 2*b*x + qPow(b, 2) - a*c))/(a - 2*b + c);
// alt: return (a - b - qSqrt(a*x + c*x - 2*b*x + qPow(b, 2) - a*c))/(a - 2*b + c);
return (a - b + qSqrt(a*x + c*x - 2*b*x + qPow(b, 2) - a*c))/(a - 2*b + c);
// alt: return (a - b - qSqrt(a*x + c*x - 2*b*x + qPow(b, 2) - a*c))/(a - 2*b + c);
}
double cubic_from_t(double a, double b, double c, double d, double t) {
return qPow(1.0 - t, 3)*a + 3*qPow(1.0 - t, 2)*t*b + 3*(1.0 - t)*qPow(t, 2)*c + qPow(t, 3)*d;
return qPow(1.0 - t, 3)*a + 3*qPow(1.0 - t, 2)*t*b + 3*(1.0 - t)*qPow(t, 2)*c + qPow(t, 3)*d;
}
double cubic_t_from_x(double x_target, double a, double b, double c, double d) {
double tolerance = 0.0001;
double tolerance = 0.0001;
double lower = 0.0;
double upper = 1.0;
double lower = 0.0;
double upper = 1.0;
double percent = 0.5;
double x = cubic_from_t(a, b, c, d, percent);
double percent = 0.5;
double x = cubic_from_t(a, b, c, d, percent);
while (qAbs(x_target - x) > tolerance) {
if (x_target > x) {
lower = percent;
} else {
upper = percent;
}
while (qAbs(x_target - x) > tolerance) {
if (x_target > x) {
lower = percent;
} else {
upper = percent;
}
percent = (upper + lower) / 2.0;
x = cubic_from_t(a, b, c, d, percent);
}
percent = (upper + lower) / 2.0;
x = cubic_from_t(a, b, c, d, percent);
}
return percent;
return percent;
}
double amplitude_to_db(double amplitude) {
return (20.0*(qLn(amplitude)/qLn(10.0)));
return (20.0*(qLn(amplitude)/qLn(10.0)));
}
double db_to_amplitude(double db) {
return qPow(M_E, (db*qLn(10.0))/20.0);
return qPow(M_E, (db*qLn(10.0))/20.0);
}
QRect fit_size_into_rect(const QRect &r, int width, int height)
{
// Get aspect ratio of object we're fitting
double inner_ar = double(width) / double(height);
// Get aspect ratio of rectangle
double rect_ar = double(r.width()) / double(r.height());
if (rect_ar > inner_ar) {
// The rect is wider than the object, so we'll be limiting by height and scaling by width
int new_width = qRound(r.height() * inner_ar);
return QRect(r.x() + (r.width() / 2 - new_width / 2), r.y(), new_width, r.height());
} else {
// The rect is taller than the object, so we'll be limiting by width and scaling by height
int new_height = qRound(r.width() / inner_ar);
return QRect(r.x(), r.y() + (r.height() / 2 - new_height / 2), r.width(), new_height);
}
}
global/math.h
+4
View File
@@ -21,6 +21,8 @@
#ifndef MATH_H
#define MATH_H
#include <QRect>
int lerp(int a, int b, double t);
float float_lerp(float a, float b, float t);
double double_lerp(double a, double b, double t);
@@ -30,6 +32,8 @@ double cubic_from_t(double a, double b, double c, double d, double t);
double cubic_t_from_x(double x_target, double a, double b, double c, double d);
double solveCubicBezier(double p0, double p1, double p2, double p3, double x);
QRect fit_size_into_rect(const QRect& r, int width, int height);
// decibel conversion functions
double amplitude_to_db(double amplitude);
double db_to_amplitude(double db);
icons/icons.qrc
+1
View File
@@ -52,5 +52,6 @@
<file>align-right.svg</file>
<file>justify-center.svg</file>
<file>bold.svg</file>
<file>listview.svg</file>
</qresource>
</RCC>
icons/listview.svg
+829
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@@ -0,0 +1,829 @@
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xmlns:svg="http://www.w3.org/2000/svg"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink"
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Side by Side

After

Width:  |  Height:  |  Size: 25 KiB

panels/project.cpp
+39 -13
View File
@@ -103,31 +103,31 @@ Project::Project(QWidget *parent) :
QPushButton* toolbar_new = new QPushButton();
toolbar_new->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/add-button.svg")));
toolbar_new->setToolTip("New");
toolbar_new->setToolTip(tr("New"));
connect(toolbar_new, SIGNAL(clicked(bool)), this, SLOT(make_new_menu()));
toolbar->addWidget(toolbar_new);
QPushButton* toolbar_open = new QPushButton();
toolbar_open->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/open.svg")));
toolbar_open->setToolTip("Open Project");
toolbar_open->setToolTip(tr("Open Project"));
connect(toolbar_open, SIGNAL(clicked(bool)), olive::Global.get(), SLOT(OpenProject()));
toolbar->addWidget(toolbar_open);
QPushButton* toolbar_save = new QPushButton();
toolbar_save->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/save.svg")));
toolbar_save->setToolTip("Save Project");
toolbar_save->setToolTip(tr("Save Project"));
connect(toolbar_save, SIGNAL(clicked(bool)), olive::Global.get(), SLOT(save_project()));
toolbar->addWidget(toolbar_save);
QPushButton* toolbar_undo = new QPushButton();
toolbar_undo->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/undo.svg")));
toolbar_undo->setToolTip("Undo");
toolbar_undo->setToolTip(tr("Undo"));
connect(toolbar_undo, SIGNAL(clicked(bool)), olive::Global.get(), SLOT(undo()));
toolbar->addWidget(toolbar_undo);
QPushButton* toolbar_redo = new QPushButton();
toolbar_redo->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/redo.svg")));
toolbar_redo->setToolTip("Redo");
toolbar_redo->setToolTip(tr("Redo"));
connect(toolbar_redo, SIGNAL(clicked(bool)), olive::Global.get(), SLOT(redo()));
toolbar->addWidget(toolbar_redo);
@@ -138,16 +138,22 @@ Project::Project(QWidget *parent) :
QPushButton* toolbar_tree_view = new QPushButton();
toolbar_tree_view->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/treeview.svg")));
toolbar_tree_view->setToolTip("Tree View");
toolbar_tree_view->setToolTip(tr("Tree View"));
connect(toolbar_tree_view, SIGNAL(clicked(bool)), this, SLOT(set_tree_view()));
toolbar->addWidget(toolbar_tree_view);
QPushButton* toolbar_icon_view = new QPushButton();
toolbar_icon_view->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/iconview.svg")));
toolbar_icon_view->setToolTip("Icon View");
toolbar_icon_view->setToolTip(tr("Icon View"));
connect(toolbar_icon_view, SIGNAL(clicked(bool)), this, SLOT(set_icon_view()));
toolbar->addWidget(toolbar_icon_view);
QPushButton* toolbar_list_view = new QPushButton();
toolbar_list_view->setIcon(olive::icon::CreateIconFromSVG(QStringLiteral(":/icons/listview.svg")));
toolbar_list_view->setToolTip(tr("List View"));
connect(toolbar_list_view, SIGNAL(clicked(bool)), this, SLOT(set_list_view()));
toolbar->addWidget(toolbar_list_view);
verticalLayout->addWidget(toolbar_widget);
// tree view
@@ -180,9 +186,9 @@ Project::Project(QWidget *parent) :
icon_view_controls->addStretch();
QSlider* icon_size_slider = new QSlider(Qt::Horizontal);
icon_size_slider = new QSlider(Qt::Horizontal);
icon_size_slider->setMinimum(16);
icon_size_slider->setMaximum(120);
icon_size_slider->setMaximum(256);
icon_view_controls->addWidget(icon_size_slider);
connect(icon_size_slider, SIGNAL(valueChanged(int)), this, SLOT(set_icon_view_size(int)));
@@ -191,12 +197,12 @@ Project::Project(QWidget *parent) :
icon_view = new SourceIconView(sources_common);
icon_view->project_parent = this;
icon_view->setModel(&sorter);
icon_view->setIconSize(QSize(100, 100));
icon_view->setGridSize(QSize(100, 100));
icon_view->setViewMode(QListView::IconMode);
icon_view->setUniformItemSizes(true);
icon_view_container_layout->addWidget(icon_view);
icon_size_slider->setValue(icon_view->iconSize().height());
icon_size_slider->setValue(icon_view->gridSize().height());
verticalLayout->addWidget(icon_view_container);
@@ -1322,13 +1328,22 @@ void Project::save_project(bool autorecovery) {
void Project::update_view_type() {
tree_view->setVisible(olive::CurrentConfig.project_view_type == olive::PROJECT_VIEW_TREE);
icon_view_container->setVisible(olive::CurrentConfig.project_view_type == olive::PROJECT_VIEW_ICON);
icon_view_container->setVisible(olive::CurrentConfig.project_view_type == olive::PROJECT_VIEW_ICON
|| olive::CurrentConfig.project_view_type == olive::PROJECT_VIEW_LIST);
switch (olive::CurrentConfig.project_view_type) {
case olive::PROJECT_VIEW_TREE:
sources_common.view = tree_view;
break;
case olive::PROJECT_VIEW_ICON:
case olive::PROJECT_VIEW_LIST:
icon_view->setViewMode(olive::CurrentConfig.project_view_type == olive::PROJECT_VIEW_ICON ?
QListView::IconMode : QListView::ListMode);
// update list/grid size since they use this value slightly differently
set_icon_view_size(icon_size_slider->value());
sources_common.view = icon_view;
break;
}
@@ -1339,6 +1354,12 @@ void Project::set_icon_view() {
update_view_type();
}
void Project::set_list_view()
{
olive::CurrentConfig.project_view_type = olive::PROJECT_VIEW_LIST;
update_view_type();
}
void Project::set_tree_view() {
olive::CurrentConfig.project_view_type = olive::PROJECT_VIEW_TREE;
update_view_type();
@@ -1367,7 +1388,12 @@ void Project::clear_recent_projects() {
}
void Project::set_icon_view_size(int s) {
icon_view->setIconSize(QSize(s, s));
if (icon_view->viewMode() == QListView::IconMode) {
icon_view->setGridSize(QSize(s, s));
} else {
icon_view->setGridSize(QSize());
icon_view->setIconSize(QSize(s, s));
}
}
void Project::set_up_dir_enabled() {
panels/project.h
+2
View File
@@ -112,6 +112,7 @@ private:
QString get_file_name_from_path(const QString &path);
QDir proj_dir;
QWidget* icon_view_container;
QSlider* icon_size_slider;
QPushButton* directory_up;
QLineEdit* toolbar_search;
@@ -124,6 +125,7 @@ private:
private slots:
void update_view_type();
void set_icon_view();
void set_list_view();
void set_tree_view();
void clear_recent_projects();
void set_icon_view_size(int);
project/footage.cpp
-14
View File
@@ -77,17 +77,3 @@ FootageStream* Footage::get_stream_from_file_index(bool video, int index) {
}
return nullptr;
}
void FootageStream::make_square_thumb() {
// generate square version for QListView?
int square_size = qMax(video_preview.width(), video_preview.height());
QPixmap pixmap(square_size, square_size);
pixmap.fill(Qt::transparent);
QPainter p(&pixmap);
int diff = (video_preview.width() - video_preview.height())>>1;
int sqx = (diff < 0) ? -diff : 0;
int sqy = (diff > 0) ? diff : 0;
p.drawImage(sqx, sqy, video_preview);
p.end();
video_preview_square = QIcon(pixmap);
}
project/footage.h
-2
View File
@@ -62,9 +62,7 @@ struct FootageStream {
// preview thumbnail/waveform
bool preview_done;
QImage video_preview;
QIcon video_preview_square;
QVector<char> audio_preview;
void make_square_thumb();
};
struct Footage {
project/media.cpp
+24 -15
View File
@@ -284,6 +284,24 @@ int Media::columnCount() const {
return 3;
}
QString Media::GetStringDuration() {
if (get_type() == MEDIA_TYPE_SEQUENCE) {
Sequence* s = to_sequence().get();
return frame_to_timecode(s->getEndFrame(), olive::CurrentConfig.timecode_view, s->frame_rate);
}
if (get_type() == MEDIA_TYPE_FOOTAGE) {
Footage* f = to_footage();
double r = 30;
if (f->video_tracks.size() > 0 && !qIsNull(f->video_tracks.at(0).video_frame_rate))
r = f->video_tracks.at(0).video_frame_rate * f->speed;
long len = f->get_length_in_frames(r);
if (len > 0) return frame_to_timecode(len, olive::CurrentConfig.timecode_view, r);
}
return QString();
}
QVariant Media::data(int column, int role) {
switch (role) {
case Qt::DecorationRole:
@@ -292,7 +310,7 @@ QVariant Media::data(int column, int role) {
Footage* f = to_footage();
if (f->video_tracks.size() > 0
&& f->video_tracks.at(0).preview_done) {
return f->video_tracks.at(0).video_preview_square;
return QIcon(QPixmap::fromImage(f->video_tracks.at(0).video_preview));
}
}
@@ -304,20 +322,7 @@ QVariant Media::data(int column, int role) {
case 0: return (root) ? QCoreApplication::translate("Media", "Name") : get_name();
case 1:
if (root) return QCoreApplication::translate("Media", "Duration");
if (get_type() == MEDIA_TYPE_SEQUENCE) {
Sequence* s = to_sequence().get();
return frame_to_timecode(s->getEndFrame(), olive::CurrentConfig.timecode_view, s->frame_rate);
}
if (get_type() == MEDIA_TYPE_FOOTAGE) {
Footage* f = to_footage();
double r = 30;
if (f->video_tracks.size() > 0 && !qIsNull(f->video_tracks.at(0).video_frame_rate))
r = f->video_tracks.at(0).video_frame_rate * f->speed;
long len = f->get_length_in_frames(r);
if (len > 0) return frame_to_timecode(len, olive::CurrentConfig.timecode_view, r);
}
return GetStringDuration();
break;
case 2:
if (root) return QCoreApplication::translate("Media", "Rate");
@@ -336,6 +341,10 @@ QVariant Media::data(int column, int role) {
break;
case Qt::ToolTipRole:
return tooltip;
case Qt::UserRole:
// User role returns the duration
return GetStringDuration();
}
return QVariant();
}
project/media.h
+2
View File
@@ -87,6 +87,8 @@ private:
int type;
VoidPtr object;
QString GetStringDuration();
// item functions
QList<MediaPtr> children;
Media* parent;
project/previewgenerator.cpp
-4
View File
@@ -153,8 +153,6 @@ bool PreviewGenerator::retrieve_preview(const QString& hash) {
QString thumb_path = get_thumbnail_path(hash, ms);
QFile f(thumb_path);
if (f.exists() && ms.video_preview.load(thumb_path)) {
//dout << "loaded thumb" << ms->file_index << "from" << thumb_path;
ms.make_square_thumb();
ms.preview_done = true;
} else {
found = false;
@@ -364,8 +362,6 @@ void PreviewGenerator::generate_waveform() {
&data,
linesize);
s->make_square_thumb();
// is video interlaced?
s->video_auto_interlacing = (temp_frame->interlaced_frame) ? ((temp_frame->top_field_first) ? VIDEO_TOP_FIELD_FIRST : VIDEO_BOTTOM_FIELD_FIRST) : VIDEO_PROGRESSIVE;
s->video_interlacing = s->video_auto_interlacing;
project/sourcescommon.h
+2 -1
View File
@@ -46,6 +46,8 @@ public:
void dropEvent(QWidget *parent, QDropEvent* e, const QModelIndex& drop_item, const QModelIndexList &items);
void item_click(Media* m, const QModelIndex &index);
public slots:
void stop_rename_timer();
private slots:
void create_seq_from_selected();
void reveal_in_browser();
@@ -62,7 +64,6 @@ private:
QModelIndex editing_index;
QModelIndexList selected_items;
Project* project_parent;
void stop_rename_timer();
QTimer rename_timer;
// we cache the selected footage items for open_create_proxy_dialog()
ui/sourceiconview.cpp
+125
View File
@@ -21,18 +21,22 @@
#include "sourceiconview.h"
#include <QMimeData>
#include <QImage>
#include "panels/project.h"
#include "project/media.h"
#include "project/sourcescommon.h"
#include "global/debug.h"
#include "global/math.h"
SourceIconView::SourceIconView(SourcesCommon &commons) :
commons_(commons)
{
setMovement(QListView::Free);
setSelectionMode(QAbstractItemView::ExtendedSelection);
setResizeMode(QListView::Adjust);
setContextMenuPolicy(Qt::CustomContextMenu);
setItemDelegate(&delegate_);
connect(this, SIGNAL(clicked(const QModelIndex&)), this, SLOT(item_click(const QModelIndex&)));
connect(this, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(show_context_menu()));
}
@@ -88,3 +92,124 @@ void SourceIconView::mouseDoubleClickEvent(QMouseEvent *) {
// Double click was not a folder, so we perform the default behavior (sending the double click to SourcesCommon)
commons_.mouseDoubleClickEvent(selectedIndexes());
}
SourceIconDelegate::SourceIconDelegate(QObject *parent) :
QStyledItemDelegate (parent)
{
}
QSize SourceIconDelegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
{
if (option.decorationPosition == QStyleOptionViewItem::Top) { // Icon Mode
return QSize(256, 256);
} else {
return QSize(option.decorationSize.height(), option.decorationSize.height());
}
}
void SourceIconDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
{
QFontMetrics fm = painter->fontMetrics();
QRect img_rect = option.rect;
if (option.decorationPosition == QStyleOptionViewItem::Top) { // Icon Mode
// Draw Text
if (fm.height() < option.rect.height() / 2) {
img_rect.setHeight(img_rect.height()-fm.height());
QRect text_rect = option.rect;
text_rect.setTop(text_rect.top() + option.rect.height() - fm.height());
QColor text_bgcolor;
QColor text_fgcolor;
if (option.state & QStyle::State_Selected) {
text_bgcolor = option.palette.highlight().color();
text_fgcolor = option.palette.highlightedText().color();
} else {
text_bgcolor = Qt::white;
text_fgcolor = Qt::black;
}
painter->fillRect(text_rect, text_bgcolor);
painter->setPen(text_fgcolor);
QString duration_str = index.data(Qt::UserRole).toString();
int timecode_width = fm.width(duration_str);
int max_name_width = option.rect.width();
if (timecode_width < option.rect.width() / 2) {
painter->drawText(text_rect, Qt::AlignBottom | Qt::AlignRight, index.data(Qt::UserRole).toString());
max_name_width -= timecode_width;
}
painter->drawText(text_rect,
Qt::AlignBottom | Qt::AlignLeft,
fm.elidedText(index.data(Qt::DisplayRole).toString(), Qt::ElideRight, max_name_width));
}
// Draw image
QIcon ico = index.data(Qt::DecorationRole).value<QIcon>();
QSize icon_size = ico.actualSize(img_rect.size());
img_rect = QRect(img_rect.x() + (img_rect.width() / 2 - icon_size.width() / 2),
img_rect.y() + (img_rect.height() / 2 - icon_size.height() / 2),
icon_size.width(),
icon_size.height());
painter->drawPixmap(img_rect, ico.pixmap(icon_size));
if (option.state & QStyle::State_Selected) {
QColor highlight_color = option.palette.highlight().color();
highlight_color.setAlphaF(0.5);
painter->setCompositionMode(QPainter::CompositionMode_SourceAtop);
painter->fillRect(img_rect, highlight_color);
}
} else if (option.decorationPosition == QStyleOptionViewItem::Left) { // List Mode
if (option.state & QStyle::State_Selected) {
painter->fillRect(option.rect, option.palette.highlight());
}
img_rect.setWidth(qMin(img_rect.width(), img_rect.height()));
QIcon ico = index.data(Qt::DecorationRole).value<QIcon>();
QSize icon_size = ico.actualSize(img_rect.size());
img_rect = QRect(img_rect.x() + (img_rect.width() / 2 - icon_size.width() / 2),
img_rect.y() + (img_rect.height() / 2 - icon_size.height() / 2),
icon_size.width(),
icon_size.height());
painter->drawPixmap(img_rect, ico.pixmap(icon_size));
QRect text_rect = option.rect;
text_rect.setLeft(text_rect.left() + option.rect.height());
int maximum_line_count = qMax(1, option.rect.height() / fm.height() - 1);
QString text;
if (maximum_line_count == 1) {
text = index.data(Qt::DisplayRole).toString();
} else {
text = index.data(Qt::ToolTipRole).toString();
if (text.isEmpty()) {
text = index.data(Qt::DisplayRole).toString();
} else {
QStringList strings = text.split("\n");
while (strings.size() > maximum_line_count) {
strings.removeLast();
}
text = strings.join("\n");
}
}
painter->setPen(option.state & QStyle::State_Selected ?
option.palette.highlightedText().color() : option.palette.text().color());
painter->drawText(text_rect, Qt::AlignLeft | Qt::AlignVCenter, text);
}
}
ui/sourceiconview.h
+10
View File
@@ -23,10 +23,19 @@
#include <QListView>
#include <QDropEvent>
#include <QStyledItemDelegate>
#include "project/sourcescommon.h"
class Project;
class SourceIconDelegate;
class SourceIconDelegate : public QStyledItemDelegate {
public:
SourceIconDelegate(QObject *parent = nullptr);
virtual QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
virtual void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
};
class SourceIconView : public QListView {
Q_OBJECT
@@ -46,6 +55,7 @@ private slots:
void item_click(const QModelIndex& index);
private:
SourcesCommon& commons_;
SourceIconDelegate delegate_;
};
#endif // SOURCEICONVIEW_H