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vimix/src/DisplaysView.cpp
Bruno Herbelin b8e0a9c1dd Code compilation fix
2023-03-07 23:38:13 +01:00

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/*
* This file is part of vimix - video live mixer
*
* **Copyright** (C) 2019-2022 Bruno Herbelin <bruno.herbelin@gmail.com>
*
* 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 <https://www.gnu.org/licenses/>.
**/
#include <string>
#include <sstream>
#include <iomanip>
#include <glad/glad.h>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/matrix_access.hpp>
#include <glm/gtx/vector_angle.hpp>
#include "ImGuiToolkit.h"
#include "imgui_internal.h"
#include "Log.h"
#include "ImageFilter.h"
#include "Mixer.h"
#include "defines.h"
#include "Source.h"
#include "Settings.h"
#include "PickingVisitor.h"
#include "Decorations.h"
#include "UserInterfaceManager.h"
#include "BoundingBoxVisitor.h"
#include "RenderingManager.h"
#include "DisplaysView.h"
#define WINDOW_TITLEBAR_HEIGHT 0.03f
FilteringProgram _whitebalance("Whitebalance", "shaders/filters/whitebalance.glsl", "", { { "Red", 1.0}, { "Green", 1.0}, { "Blue", 1.0}, { "Temperature", 0.5} });
DisplaysView::DisplaysView() : View(DISPLAYS)
{
scene.root()->scale_ = glm::vec3(DISPLAYS_DEFAULT_SCALE, DISPLAYS_DEFAULT_SCALE, 1.0f);
// read default settings
if ( Settings::application.views[mode_].name.empty() ) {
// no settings found: store application default
saveSettings();
}
else
restoreSettings();
Settings::application.views[mode_].name = "Displays";
// create and attach all window manipulation objects
windows_ = std::vector<WindowPreview>(MAX_OUTPUT_WINDOW);
for (auto w = windows_.begin(); w != windows_.end(); ++w){
// root node
w->root_ = new Group;
scene.ws()->attach(w->root_);
w->root_->visible_ = false;
// surface background and texture
w->surface_ = new Surface;
w->root_->attach(w->surface_);
w->shader_ = new ImageFilteringShader;
w->shader_->setCode( _whitebalance.code().first );
w->render_ = new Surface(w->shader_);
w->root_->attach(w->render_);
// icon if disabled
w->icon_ = new Handles(Handles::EYESLASHED);
w->icon_->visible_ = false;
w->icon_->color = glm::vec4( COLOR_WINDOW, 1.f );
w->root_->attach(w->icon_);
// overlays for selected and not selected
w->overlays_ = new Switch;
w->root_->attach(w->overlays_);
// overlays_ [0] is for not active frame
Frame *frame = new Frame(Frame::SHARP, Frame::THIN, Frame::DROP);
frame->color = glm::vec4( COLOR_WINDOW, 1.f );
w->overlays_->attach(frame);
// overlays_ [1] is for active frame
Group *g = new Group;
w->overlays_->attach(g);
// Overlay menu icon
w->menu_ = new Handles(Handles::MENU);
w->menu_->color = glm::vec4( COLOR_WINDOW, 1.f );
g->attach(w->menu_);
// selected frame
frame = new Frame(Frame::SHARP, Frame::LARGE, Frame::NONE);
frame->color = glm::vec4( COLOR_WINDOW, 1.f );
g->attach(frame);
// Overlay has two modes : window or fullscreen
w->mode_ = new Switch;
g->attach(w->mode_);
// mode_ [0] is for WINDOWED
w->handles_ = new Handles(Handles::SCALE);
w->handles_->color = glm::vec4( COLOR_WINDOW, 1.f );
w->mode_->attach(w->handles_);
// mode_ [1] is for FULLSCREEN
w->fullscreen_ = new Symbol(Symbol::TELEVISION);
w->fullscreen_->scale_ = glm::vec3(2.f, 2.f, 1.f);
w->fullscreen_->color = glm::vec4( COLOR_WINDOW, 1.f );
w->mode_->attach(w->fullscreen_);
// title bar
w->title_ = new Surface (new Shader);
w->title_->shader()->color = glm::vec4( COLOR_WINDOW, 1.f );
w->title_->scale_ = glm::vec3(1.002f, WINDOW_TITLEBAR_HEIGHT, 1.f);
w->title_->translation_ = glm::vec3(0.f, 1.f + WINDOW_TITLEBAR_HEIGHT, 0.f);
w->root_->attach(w->title_);
// default to not active & window overlay frame
w->overlays_->setActive(0);
w->mode_->setActive(0);
}
// initial behavior: no window selected, no menu
show_window_menu_ = false;
current_window_ = -1;
current_window_status_ = new Group;
draw_pending_ = false;
// display actions : 0 = move output, 1 paint, 2 erase
display_action_ = 0;
output_ar = 1.f;
}
void DisplaysView::update(float dt)
{
View::update(dt);
// specific update when this view is active
if ( Mixer::manager().view() == this ) {
// update rendering of render frame
for (int i = 0; i < MAX_OUTPUT_WINDOW; ++i)
windows_[i].render_->setTextureIndex( Rendering::manager().outputWindow(i).texture() );
output_ar = Mixer::manager().session()->frame()->aspectRatio();
}
}
// recenter is called also when RenderingManager detects a change of monitors
void DisplaysView::recenter ()
{
// clear background display of monitors
scene.clearBackground();
scene.clearForeground();
// fill scene background with the frames to show monitors
int index = 1;
std::map<std::string, glm::ivec4> _monitors = Rendering::manager().monitors();
for (auto monitor_iter = _monitors.begin();
monitor_iter != _monitors.end(); ++monitor_iter, ++index) {
// get coordinates of monitor in Display units
glm::vec4 rect = DISPLAYS_UNIT * glm::vec4(monitor_iter->second);
// add a background dark surface with glow shadow
Group *m = new Group;
m->scale_ = glm::vec3( 0.5f * rect.p, 0.5f * rect.q, 1.f );
m->translation_ = glm::vec3( rect.x + m->scale_.x, -rect.y - m->scale_.y, 0.f );
Surface *surf = new Surface( new Shader);
surf->shader()->color = glm::vec4( 0.1f, 0.1f, 0.1f, 1.f );
m->attach(surf);
// cyan color frame
Frame *frame = new Frame(Frame::SHARP, Frame::THIN, Frame::GLOW);
frame->color = glm::vec4( COLOR_MONITOR, 1.f);
m->attach(frame);
// central label
Glyph *label = new Glyph(4);
label->setChar( std::to_string(index).back() );
label->color = glm::vec4( COLOR_MONITOR, 1.f );
label->translation_.y = 0.02f ;
label->scale_.y = 0.4f / rect.p;
m->attach(label);
scene.bg()->attach( m );
// add a foreground color frame (semi transparent for overlay)
Group *f = new Group;
f->copyTransform(m);
frame = new Frame(Frame::SHARP, Frame::THIN, Frame::NONE);
frame->color = glm::vec4( COLOR_MONITOR, 0.2f );
f->attach(frame);
scene.fg()->attach(f);
// g_printerr("- display %f,%f %f,%f\n", rect.x, rect.y, rect.p, rect.q);
// g_printerr(" %f,%f %f,%f\n", m->translation_.x, m->translation_.y,
// m->scale_.x, m->scale_.y);
}
// calculate screen area required to see the entire scene
BoundingBoxVisitor scene_visitor_bbox(true);
scene.accept(scene_visitor_bbox);
GlmToolkit::AxisAlignedBoundingBox scene_box = scene_visitor_bbox.bbox();
// compute scaling to fit the scene box into the scene, modulo a margin ratio
scene.root()->scale_.x = SCENE_UNIT / ( scene_box.scale().x * 1.3f);
scene.root()->scale_.y = scene.root()->scale_.x;
// compute translation to place at the center (considering scaling)
scene.root()->translation_ = -scene.root()->scale_.x * scene_box.center();
}
void DisplaysView::resize ( int scale )
{
float z = CLAMP(0.01f * (float) scale, 0.f, 1.f);
z *= z; // square
z *= DISPLAYS_MAX_SCALE - DISPLAYS_MIN_SCALE;
z += DISPLAYS_MIN_SCALE;
scene.root()->scale_.x = z;
scene.root()->scale_.y = z;
}
int DisplaysView::size ()
{
float z = (scene.root()->scale_.x - DISPLAYS_MIN_SCALE) / (DISPLAYS_MAX_SCALE - DISPLAYS_MIN_SCALE);
return (int) ( sqrt(z) * 100.f);
}
void DisplaysView::draw()
{
// draw all windows
int i = 0;
for (; i < Settings::application.num_output_windows; ++i) {
// update visible flag
windows_[i].root_->visible_ = true;
windows_[i].icon_->visible_ = Settings::application.render.disabled;
if (windows_[i].render_->visible_) {
// rendering of framebuffer in window
if (Settings::application.windows[i+1].scaled) {
windows_[i].render_->scale_ = glm::vec3(1.f, 1.f, 1.f);
}
else {
float out_ar = windows_[i].root_->scale_.x / windows_[i].root_->scale_.y;
if (output_ar < out_ar)
windows_[i].render_->scale_ = glm::vec3(output_ar / out_ar, 1.f, 1.f);
else
windows_[i].render_->scale_ = glm::vec3(1.f, out_ar / output_ar, 1.f);
}
if (windows_[i].shader_) {
windows_[i].shader_->uniforms_["Red"] = Settings::application.windows[i+1].whitebalance.x;
windows_[i].shader_->uniforms_["Green"] = Settings::application.windows[i+1].whitebalance.y;
windows_[i].shader_->uniforms_["Blue"] = Settings::application.windows[i+1].whitebalance.z;
windows_[i].shader_->uniforms_["Temperature"] = Settings::application.windows[i+1].whitebalance.w;
}
}
// update overlay
if ( Settings::application.windows[i+1].fullscreen ) {
// output overlay for fullscreen
windows_[i].mode_->setActive( 1 );
windows_[i].title_->visible_ = false;
glm::ivec4 rect = Rendering::manager().monitors()[Settings::application.windows[i+1].monitor];
glm::vec2 TopLeft = glm::vec2(rect.x * DISPLAYS_UNIT, -rect.y * DISPLAYS_UNIT);
TopLeft = Rendering::manager().project(glm::vec3(TopLeft, 0.f), scene.root()->transform_, false);
ImGui::SetNextWindowPos( ImVec2( TopLeft.x, TopLeft.y), ImGuiCond_Always);
glm::vec2 BottomRight = glm::vec2( (rect.x + rect.p) * DISPLAYS_UNIT, -(rect.y + rect.q) * DISPLAYS_UNIT);
BottomRight = Rendering::manager().project(glm::vec3(BottomRight, 0.f), scene.root()->transform_, false);
ImGui::SetNextWindowSize( ImVec2( BottomRight.x - TopLeft.x, BottomRight.y - TopLeft.y), ImGuiCond_Always);
ImGui::SetNextWindowBgAlpha(0.0f); // Transparent background
if (ImGui::Begin(Settings::application.windows[i+1].name.c_str(), NULL, ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_NoMove |
ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing))
{
ImDrawList* draw_list = ImGui::GetWindowDrawList();
draw_list->AddRectFilled(ImVec2(TopLeft.x, TopLeft.y + 4), ImVec2(BottomRight.x, TopLeft.y + ImGui::GetTextLineHeightWithSpacing()), IMGUI_COLOR_OVERLAY);
ImGuiToolkit::PushFont(ImGuiToolkit::FONT_MONO);
ImGui::TextColored(ImVec4(COLOR_WINDOW, 1.0f), ICON_FA_TV " %d %s %d x %d px", i+1,
Settings::application.windows[i+1].monitor.c_str(), rect.p, rect.q);
ImGui::PopFont();
ImGui::End();
}
}
else {
// output overlay for window
windows_[i].mode_->setActive( 0 );
windows_[i].title_->visible_ = Settings::application.windows[i+1].decorated;
glm::vec2 TopLeft = glm::vec2(Settings::application.windows[i+1].x * DISPLAYS_UNIT, -Settings::application.windows[i+1].y * DISPLAYS_UNIT);
TopLeft = Rendering::manager().project(glm::vec3(TopLeft, 0.f), scene.root()->transform_, false);
ImGui::SetNextWindowPos( ImVec2( TopLeft.x, TopLeft.y), ImGuiCond_Always);
glm::vec2 BottomRight = glm::vec2( (Settings::application.windows[i+1].x + Settings::application.windows[i+1].w) * DISPLAYS_UNIT,
-(Settings::application.windows[i+1].y + Settings::application.windows[i+1].h) * DISPLAYS_UNIT);
BottomRight = Rendering::manager().project(glm::vec3(BottomRight, 0.f), scene.root()->transform_, false);
ImGui::SetNextWindowSize( ImVec2( BottomRight.x - TopLeft.x, BottomRight.y - TopLeft.y), ImGuiCond_Always);
ImGui::SetNextWindowBgAlpha(0.0f); // Transparent background
if (ImGui::Begin(Settings::application.windows[i+1].name.c_str(), NULL, ImGuiWindowFlags_NoInputs | ImGuiWindowFlags_NoMove |
ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoSavedSettings | ImGuiWindowFlags_NoFocusOnAppearing))
{
ImDrawList* draw_list = ImGui::GetWindowDrawList();
draw_list->AddRectFilled(ImVec2(TopLeft.x, TopLeft.y + 4), ImVec2(BottomRight.x, TopLeft.y + ImGui::GetTextLineHeightWithSpacing()), IMGUI_COLOR_OVERLAY);
ImGuiToolkit::PushFont(ImGuiToolkit::FONT_MONO);
ImGui::TextColored(ImVec4(COLOR_WINDOW, 1.0f), ICON_FA_WINDOW_MAXIMIZE " %d (%d,%d) %d x %d px", i+1,
Settings::application.windows[i+1].x, Settings::application.windows[i+1].y,
Settings::application.windows[i+1].w, Settings::application.windows[i+1].h);
ImGui::PopFont();
ImGui::End();
}
}
}
for (; i < MAX_OUTPUT_WINDOW; ++i)
windows_[i].root_->visible_ = false;
// if user is not manipulating output frame
// update the output frame to match the window dimensions
// TODO Mutex for multithread access with changed flag
// TODO less busy update?
if (!current_action_ongoing_ && !draw_pending_) {
for (int i = 0; i < Settings::application.num_output_windows; ++i) {
if ( Settings::application.windows[i+1].fullscreen ) {
glm::ivec4 rect = Rendering::manager().monitors()[Settings::application.windows[i+1].monitor];
windows_[i].root_->scale_.x = rect.p * 0.5f * DISPLAYS_UNIT;
windows_[i].root_->scale_.y = rect.q * 0.5f * DISPLAYS_UNIT;
windows_[i].root_->translation_.x = rect.x * DISPLAYS_UNIT + windows_[i].root_->scale_.x;
windows_[i].root_->translation_.y = -rect.y * DISPLAYS_UNIT - windows_[i].root_->scale_.y;
}
else {
windows_[i].root_->scale_.x = Settings::application.windows[i+1].w * 0.5f * DISPLAYS_UNIT;
windows_[i].root_->scale_.y = Settings::application.windows[i+1].h * 0.5f * DISPLAYS_UNIT;
windows_[i].root_->translation_.x = Settings::application.windows[i+1].x * DISPLAYS_UNIT + windows_[i].root_->scale_.x;
windows_[i].root_->translation_.y = -Settings::application.windows[i+1].y * DISPLAYS_UNIT - windows_[i].root_->scale_.y;
windows_[i].title_->scale_.y = WINDOW_TITLEBAR_HEIGHT / windows_[i].root_->scale_.y;
windows_[i].title_->translation_.y = 1.f + windows_[i].title_->scale_.y;
}
}
}
// main call to draw the view
View::draw();
// display interface
// Locate window at upper left corner
glm::vec2 P = glm::vec2(0.01f, 0.01 );
P = Rendering::manager().project(glm::vec3(P, 0.f), scene.root()->transform_, false);
// Set window position depending on icons size
ImGuiToolkit::PushFont(ImGuiToolkit::FONT_LARGE);
ImGui::SetNextWindowPos(ImVec2(P.x, P.y - 1.5f * ImGui::GetFrameHeight() ), ImGuiCond_Always);
if (ImGui::Begin("##DisplaysMaskOptions", NULL, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoBackground
| ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoSavedSettings
| ImGuiWindowFlags_NoFocusOnAppearing | ImGuiWindowFlags_NoBringToFrontOnFocus ))
{
// colors for UI
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.f, 1.f, 1.f, 1.0f)); // 1
ImGui::PushStyleColor(ImGuiCol_PopupBg, ImVec4(0.14f, 0.14f, 0.14f, 0.9f));
ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.14f, 0.14f, 0.14f, 0.f));
ImGui::PushStyleColor(ImGuiCol_FrameBgHovered, ImVec4(0.24f, 0.24f, 0.24f, 0.46f));
ImGui::PushStyleColor(ImGuiCol_SliderGrab, ImVec4(0.85f, 0.85f, 0.85f, 0.86f));
ImGui::PushStyleColor(ImGuiCol_SliderGrabActive, ImVec4(0.95f, 0.95f, 0.95f, 1.00f));
ImGui::PushStyleColor(ImGuiCol_Button, ImVec4(0.00f, 0.00f, 0.00f, 0.00f));
ImGui::PushStyleColor(ImGuiCol_ButtonHovered, ImVec4(0.4f, 0.4f, 0.4f, 0.56f));
ImGui::PushStyleColor(ImGuiCol_Header, ImVec4(0.36f, 0.36f, 0.36f, 0.9f));
ImGui::PushStyleColor(ImGuiCol_HeaderHovered, ImVec4(0.36f, 0.36f, 0.36f, 0.5f));
ImGui::PushStyleColor(ImGuiCol_HeaderActive, ImVec4(0.88f, 0.88f, 0.88f, 0.73f));
ImGui::PushStyleColor(ImGuiCol_Tab, ImVec4(0.83f, 0.83f, 0.84f, 0.78f));
ImGui::PushStyleColor(ImGuiCol_TabHovered, ImVec4(0.43f, 0.43f, 0.43f, 0.60f));
ImGui::PushStyleColor(ImGuiCol_TabActive, ImVec4(0.40f, 0.40f, 0.40f, 1.00f)); // 14 colors
//
// Buttons on top
//
// Disable output
ImGuiToolkit::ButtonToggle(ICON_FA_EYE_SLASH, &Settings::application.render.disabled, MENU_OUTPUTDISABLE);
// Add / Remove windows
ImGui::SameLine();
if ( Settings::application.num_output_windows < MAX_OUTPUT_WINDOW) {
if (ImGuiToolkit::IconButton(18, 4, "More windows")) {
++Settings::application.num_output_windows;
current_window_ = Settings::application.num_output_windows-1;
}
}
else
ImGuiToolkit::Icon(18, 4, false);
ImGui::SameLine();
if ( Settings::application.num_output_windows > 0 ) {
if (ImGuiToolkit::IconButton(19, 4, "Less windows")) {
--Settings::application.num_output_windows;
current_window_ = -1;
}
}
else
ImGuiToolkit::Icon(19, 4, false);
// Modify current window
if (current_window_ > -1) {
ImGuiContext& g = *GImGui;
// title output
ImGui::SameLine(0, 5.f * g.Style.FramePadding.x);
ImGui::Text("Output %d", current_window_ + 1);
// Output options
ImGui::SameLine(0, 2.f * g.Style.FramePadding.x);
ImGuiToolkit::ButtonIconToggle(8,5,9,5, &Settings::application.windows[1+current_window_].scaled, "Window fit");
ImGui::SameLine(0, g.Style.FramePadding.x);
ImGuiToolkit::ButtonIconToggle(10,1,11,1, &Settings::application.windows[1+current_window_].show_pattern, "Test pattern");
// White ballance color button
static DialogToolkit::ColorPickerDialog whitebalancedialog;
ImGui::SameLine(0, 1.5f * g.Style.FramePadding.x);
ImGuiToolkit::PushFont(ImGuiToolkit::FONT_DEFAULT);
ImGuiWindow* window = ImGui::GetCurrentWindow();
window->DC.CursorPos.y += g.Style.FramePadding.y; // hack to re-align color button to text
if (ImGui::ColorButton("White balance", ImVec4(Settings::application.windows[1+current_window_].whitebalance.x,
Settings::application.windows[1+current_window_].whitebalance.y,
Settings::application.windows[1+current_window_].whitebalance.z, 1.f),
ImGuiColorEditFlags_NoAlpha)) {
if ( DialogToolkit::ColorPickerDialog::busy()) {
Log::Warning("Close previously openned color picker.");
}
else {
whitebalancedialog.setRGB( std::make_tuple(Settings::application.windows[1+current_window_].whitebalance.x,
Settings::application.windows[1+current_window_].whitebalance.y,
Settings::application.windows[1+current_window_].whitebalance.z) );
whitebalancedialog.open();
}
}
ImGui::PopFont();
// get icked color if dialog finished
if (whitebalancedialog.closed()){
std::tuple<float, float, float> c = whitebalancedialog.RGB();
Settings::application.windows[1+current_window_].whitebalance.x = std::get<0>(c);
Settings::application.windows[1+current_window_].whitebalance.y = std::get<1>(c);
Settings::application.windows[1+current_window_].whitebalance.z = std::get<2>(c);
}
// White ballance temperature
ImGui::SameLine();
window->DC.CursorPos.y -= g.Style.FramePadding.y;
if (ImGui::Button(ICON_FA_THERMOMETER_HALF ICON_FA_SORT_DOWN ))
ImGui::OpenPopup("temperature_popup");
ImGuiToolkit::PushFont(ImGuiToolkit::FONT_DEFAULT);
if (ImGui::IsItemHovered()){
ImGui::BeginTooltip();
ImGui::Text("%d Kelvin", 4000 + (int) ceil(Settings::application.windows[1+current_window_].whitebalance.w * 5000.f));
ImGui::EndTooltip();
}
if (ImGui::BeginPopup("temperature_popup", ImGuiWindowFlags_NoMove)) {
// High Kelvin = blue
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(0.4f, 0.4f, 1.f, 1.0f));
ImGui::Text(" " ICON_FA_THERMOMETER_FULL );
ImGui::PopStyleColor(1);
// Slider Temperature K
ImGui::VSliderFloat("##Temperature", ImVec2(30,260), &Settings::application.windows[1+current_window_].whitebalance.w, 0.0, 1.0, "");
if (ImGui::IsItemHovered() || ImGui::IsItemActive() ) {
ImGui::BeginTooltip();
ImGui::Text("%d K", 4000 + (int) ceil(Settings::application.windows[1+current_window_].whitebalance.w * 5000.f));
ImGui::EndTooltip();
}
// High Kelvin = blue
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(1.f, 0.4f, 0.4f, 1.0f));
ImGui::Text(" " ICON_FA_THERMOMETER_EMPTY );
ImGui::PopStyleColor(1);
ImGui::EndPopup();
}
ImGui::PopFont();
}
ImGui::PopStyleColor(14); // 14 colors
ImGui::End();
}
ImGui::PopFont();
// display popup menu
if (show_window_menu_ && current_window_ > -1) {
ImGui::OpenPopup( "DisplaysOutputContextMenu" );
show_window_menu_ = false;
}
if (ImGui::BeginPopup("DisplaysOutputContextMenu")) {
ImGui::PushStyleColor(ImGuiCol_Text, ImVec4(COLOR_WINDOW, 1.f));
ImGui::PushStyleColor(ImGuiCol_HeaderHovered, ImVec4(COLOR_MENU_HOVERED, 0.5f));
// FULLSCREEN selection: list of monitors
int index = 1;
std::map<std::string, glm::ivec4> _monitors = Rendering::manager().monitors();
for (auto monitor_iter = _monitors.begin();
monitor_iter != _monitors.end(); ++monitor_iter, ++index) {
bool _fullscreen = Settings::application.windows[current_window_+1].fullscreen &&
Settings::application.windows[current_window_+1].monitor == monitor_iter->first;
std::string menutext = std::string( ICON_FA_TV " Fullscreen on Display ") + std::to_string(index);
if (ImGui::MenuItem( menutext.c_str(), nullptr, _fullscreen )){
windows_[current_window_].monitor_ = monitor_iter->first;
Rendering::manager().outputWindow(current_window_).setFullscreen( windows_[current_window_].monitor_ );
}
}
// WINDOW mode : set size
bool _windowed = !Settings::application.windows[current_window_+1].fullscreen;
if (ImGui::MenuItem( ICON_FA_WINDOW_MAXIMIZE " Window", nullptr, &_windowed)){
Rendering::manager().outputWindow(current_window_).exitFullscreen();
// not fullscreen on a monitor
windows_[current_window_].monitor_ = "";
}
ImGui::Separator();
bool _borderless = !Settings::application.windows[current_window_+1].decorated;
if (ImGui::MenuItem( ICON_FA_SQUARE_FULL " Borderless", nullptr, &_borderless, _windowed)){
Rendering::manager().outputWindow(current_window_).setDecoration(!_borderless);
}
if (ImGui::MenuItem( ICON_FA_EXPAND_ALT " Reset aspect ratio" , nullptr, false, _windowed )){
// reset aspect ratio
glm::ivec4 rect = windowCoordinates(current_window_);
float ar = Mixer::manager().session()->frame()->aspectRatio();
if ( rect.p / rect.q > ar)
rect.p = ar * rect.q;
else
rect.q = rect.p / ar;
Rendering::manager().outputWindow(current_window_).setCoordinates( rect );
}
if (ImGui::MenuItem( ICON_FA_RULER_COMBINED " Reset to pixel size", nullptr, false, _windowed )){
// reset resolution to 1:1
glm::ivec4 rect = windowCoordinates(current_window_);
rect.p = Mixer::manager().session()->frame()->width();
rect.q = Mixer::manager().session()->frame()->height();
Rendering::manager().outputWindow(current_window_).setCoordinates( rect );
}
if (ImGui::MenuItem( ICON_FA_EXPAND " Fit all Displays", nullptr, false, _windowed )){
Rendering::manager().outputWindow(current_window_).setDecoration(false);
glm::ivec4 rect (INT_MAX, INT_MAX, 0, 0);
std::map<std::string, glm::ivec4> _monitors = Rendering::manager().monitors();
for (auto monitor_iter = _monitors.begin();
monitor_iter != _monitors.end(); ++monitor_iter) {
rect.x = MIN(rect.x, monitor_iter->second.x);
rect.y = MIN(rect.y, monitor_iter->second.y);
rect.p = MAX(rect.p, monitor_iter->second.x+monitor_iter->second.p);
rect.q = MAX(rect.q, monitor_iter->second.y+monitor_iter->second.q);
}
Rendering::manager().outputWindow(current_window_).setCoordinates( rect );
}
ImGui::Separator();
if ( ImGui::MenuItem( ICON_FA_REPLY " Reset") ) {
glm::ivec4 rect (0, 0, 800, 600);
rect.p = Mixer::manager().session()->frame()->width();
rect.q = Mixer::manager().session()->frame()->height();
Rendering::manager().outputWindow(current_window_).setDecoration(true);
Settings::application.windows[1+current_window_].show_pattern = false;
Settings::application.windows[1+current_window_].scaled = false;
Settings::application.windows[1+current_window_].whitebalance = glm::vec4(1.f, 1.f, 1.f, 0.5f);
if (Settings::application.windows[current_window_+1].fullscreen)
Rendering::manager().outputWindow(current_window_).exitFullscreen();
else
Rendering::manager().outputWindow(current_window_).setCoordinates( rect );
}
ImGui::PopStyleColor(2);
ImGui::EndPopup();
}
draw_pending_ = false;
}
std::pair<Node *, glm::vec2> DisplaysView::pick(glm::vec2 P)
{
// prepare empty return value
std::pair<Node *, glm::vec2> pick = { nullptr, glm::vec2(0.f) };
// mode placement output window
if ( display_action_ == 0 ) {
// get picking from generic View
pick = View::pick(P);
// test all windows
current_window_ = -1;
for (int i = 0; i < Settings::application.num_output_windows; ++i) {
// ignore pick on render surface: it's the same as output surface
if (pick.first == windows_[i].render_ ||
pick.first == windows_[i].fullscreen_ ||
pick.first == windows_[i].title_ )
pick.first = windows_[i].surface_;
// detect clic on menu
if (pick.first == windows_[i].menu_)
show_window_menu_ = true;
// activate / deactivate window if clic on any element of it
if ( (pick.first == windows_[i].surface_) ||
(pick.first == windows_[i].handles_) ||
(pick.first == windows_[i].menu_) ) {
current_window_ = i;
windows_[i].overlays_->setActive(1);
}
else
windows_[i].overlays_->setActive(0);
}
// ignore anything else than selected window
if (current_window_ < 0)
pick.first = nullptr;
}
// mode other
else // if ( display_action_ == 1 )
{
}
return pick;
}
bool DisplaysView::canSelect(Source *) {
return false;
}
void DisplaysView::select(glm::vec2 A, glm::vec2 B)
{
// unproject mouse coordinate into scene coordinates
glm::vec3 scene_point_A = Rendering::manager().unProject(A);
glm::vec3 scene_point_B = Rendering::manager().unProject(B);
// select area in window placement mode
if ( display_action_ == 0 ) {
// picking visitor traverses the scene
PickingVisitor pv(scene_point_A, scene_point_B, true);
scene.accept(pv);
// TODO Multiple window selection?
if (!pv.empty()) {
// find which window was picked
auto itp = pv.rbegin();
for (; itp != pv.rend(); ++itp){
// search for WindowPreview
auto w = std::find_if(windows_.begin(), windows_.end(), WindowPreview::hasNode(itp->first));
if (w != windows_.end()) {
// cancel previous current
if (current_window_>-1)
windows_[current_window_].overlays_->setActive(0);
// set current
current_window_ = (int) std::distance(windows_.begin(), w);
windows_[current_window_].overlays_->setActive(1);
}
}
}
}
}
void DisplaysView::initiate()
{
// initiate pending action
if (!current_action_ongoing_ && current_window_ > -1) {
// store status
current_window_status_->copyTransform(windows_[current_window_].root_);
// initiated
current_action_ = "";
current_action_ongoing_ = true;
}
}
void DisplaysView::terminate(bool force)
{
// terminate pending action
if (current_action_ongoing_ || force) {
if (current_window_ > -1) {
if (Settings::application.windows[current_window_+1].fullscreen) {
// Apply change of fullscreen monitor
if ( windows_[current_window_].monitor_.compare(Settings::application.windows[current_window_+1].monitor) != 0 )
Rendering::manager().outputWindow(current_window_).setFullscreen( windows_[current_window_].monitor_ );
}
else {
// Apply coordinates to actual output window
Rendering::manager().outputWindow(current_window_).setCoordinates( windowCoordinates(current_window_) );
}
}
// terminated
current_action_ = "";
current_action_ongoing_ = false;
// prevent next draw
draw_pending_ = true;
}
}
glm::ivec4 DisplaysView::windowCoordinates(int index) const
{
glm::ivec4 rect;
rect.x = (windows_[index].root_->translation_.x - windows_[index].root_->scale_.x) / DISPLAYS_UNIT;
rect.y = (windows_[index].root_->translation_.y + windows_[index].root_->scale_.y) / - DISPLAYS_UNIT;
rect.p = 2.f * windows_[index].root_->scale_.x / DISPLAYS_UNIT;
rect.q = 2.f * windows_[index].root_->scale_.y / DISPLAYS_UNIT;
return rect;
}
std::string DisplaysView::fullscreenMonitor(int index) const
{
return windows_[index].monitor_;
}
View::Cursor DisplaysView::grab (Source *, glm::vec2 from, glm::vec2 to, std::pair<Node *, glm::vec2> pick)
{
std::ostringstream info;
View::Cursor ret = Cursor();
// grab coordinates in scene-View reference frame
glm::vec3 scene_from = Rendering::manager().unProject(from, scene.root()->transform_);
glm::vec3 scene_to = Rendering::manager().unProject(to, scene.root()->transform_);
glm::vec3 scene_translation = scene_to - scene_from;
if ( current_window_ > -1 ) {
// grab window not fullscreen : move or resizes
if (!Settings::application.windows[current_window_+1].fullscreen) {
// grab surface to move
if ( pick.first == windows_[current_window_].surface_ ){
// apply translation
windows_[current_window_].root_->translation_ = current_window_status_->translation_ + scene_translation;
glm::ivec4 r = windowCoordinates(current_window_);
// discretized translation with ALT
if (UserInterface::manager().altModifier()) {
r.x = ROUND(r.x, 0.01f);
r.y = ROUND(r.y, 0.01f);
windows_[current_window_].root_->translation_.x = (r.x * DISPLAYS_UNIT) + windows_[current_window_].root_->scale_.x;
windows_[current_window_].root_->translation_.y = (r.y * - DISPLAYS_UNIT) - windows_[current_window_].root_->scale_.y;
}
// Show move cursor
ret.type = Cursor_ResizeAll;
info << "Window position " << r.x << ", " << r.y << " px";
}
// grab handle to resize
else if ( pick.first == windows_[current_window_].handles_ ){
// which corner was picked ?
glm::vec2 corner = glm::round(pick.second);
// transform from source center to corner
glm::mat4 T = GlmToolkit::transform(glm::vec3(corner.x, corner.y, 0.f), glm::vec3(0.f, 0.f, 0.f),
glm::vec3(1.f, 1.f, 1.f));
// transformation from scene to corner:
glm::mat4 scene_to_corner_transform = T * glm::inverse(current_window_status_->transform_);
glm::mat4 corner_to_scene_transform = glm::inverse(scene_to_corner_transform);
// compute cursor movement in corner reference frame
glm::vec4 corner_from = scene_to_corner_transform * glm::vec4( scene_from, 1.f );
glm::vec4 corner_to = scene_to_corner_transform * glm::vec4( scene_to, 1.f );
// operation of scaling in corner reference frame
glm::vec3 corner_scaling = glm::vec3(corner_to) / glm::vec3(corner_from);
glm::ivec4 rect;
// RESIZE CORNER
// proportional SCALING with SHIFT
if (UserInterface::manager().shiftModifier()) {
// calculate proportional scaling factor
float factor = glm::length( glm::vec2( corner_to ) ) / glm::length( glm::vec2( corner_from ) );
// scale node
windows_[current_window_].root_->scale_ = current_window_status_->scale_ * glm::vec3(factor, factor, 1.f);
}
// non-proportional CORNER RESIZE (normal case)
else {
// scale node
windows_[current_window_].root_->scale_ = current_window_status_->scale_ * corner_scaling;
}
// discretized scaling with ALT
if (UserInterface::manager().altModifier()) {
// calculate ratio of scaling modulo the output resolution
glm::vec3 outputsize = windows_[current_window_].root_->scale_ / DISPLAYS_UNIT;
glm::vec3 framesize = Mixer::manager().session()->frame()->resolution();
glm::vec3 ra = outputsize / framesize;
ra.x = ROUND(ra.x, 20.f);
ra.y = ROUND(ra.y, 20.f);
outputsize = ra * framesize;
windows_[current_window_].root_->scale_.x = outputsize.x * DISPLAYS_UNIT;
windows_[current_window_].root_->scale_.y = outputsize.y * DISPLAYS_UNIT;
}
// update corner scaling to apply to center coordinates
corner_scaling = windows_[current_window_].root_->scale_ / current_window_status_->scale_;
// TRANSLATION CORNER
// convert source position in corner reference frame
glm::vec4 center = scene_to_corner_transform * glm::vec4( current_window_status_->translation_, 1.f);
// transform source center (in corner reference frame)
center = glm::scale(glm::identity<glm::mat4>(), corner_scaling) * center;
// convert center back into scene reference frame
center = corner_to_scene_transform * center;
// apply to node
windows_[current_window_].root_->translation_ = glm::vec3(center);
// rescale title bar
windows_[current_window_].title_->scale_.y = WINDOW_TITLEBAR_HEIGHT / windows_[current_window_].root_->scale_.y;
windows_[current_window_].title_->translation_.y = 1.f + windows_[current_window_].title_->scale_.y;
// show cursor depending on diagonal (corner picked)
T = glm::rotate(glm::identity<glm::mat4>(), current_window_status_->rotation_.z, glm::vec3(0.f, 0.f, 1.f));
T = glm::scale(T, current_window_status_->scale_);
corner = T * glm::vec4( corner, 0.f, 0.f );
ret.type = corner.x * corner.y > 0.f ? Cursor_ResizeNESW : Cursor_ResizeNWSE;
rect = windowCoordinates(current_window_);
info << "Window size " << rect.p << " x " << rect.q << " px";
}
}
// grab fullscreen window : change monitor
else {
if ( pick.first == windows_[current_window_].surface_ ){
// convert mouse cursor coordinates to displays coordinates
scene_to *= glm::vec3(1.f/DISPLAYS_UNIT, -1.f/DISPLAYS_UNIT, 1.f);
// loop over all monitors
std::map<std::string, glm::ivec4> _monitors = Rendering::manager().monitors();
int index = 1;
for (auto monitor_iter = _monitors.begin();
monitor_iter != _monitors.end(); ++monitor_iter, ++index) {
// if the mouse cursor is over a monitor
glm::ivec4 r = monitor_iter->second;
if (scene_to.x > r.x && scene_to.x < r.x + r.p
&& scene_to.y > r.y && scene_to.y < r.y + r.q) {
// show output frame on top of that monitor
windows_[current_window_].root_->scale_.x = r.p * 0.5f * DISPLAYS_UNIT;
windows_[current_window_].root_->scale_.y = r.q * 0.5f * DISPLAYS_UNIT;
windows_[current_window_].root_->translation_.x = r.x * DISPLAYS_UNIT + windows_[current_window_].root_->scale_.x;
windows_[current_window_].root_->translation_.y = -r.y * DISPLAYS_UNIT - windows_[current_window_].root_->scale_.y;
// remember the output monitor selected
windows_[current_window_].monitor_ = monitor_iter->first;
// Show cursor
ret.type = Cursor_Hand;
info << "Fullscreen Monitor " << index << " (" << windows_[current_window_].monitor_ << ")\n "<<
r.p << " x " << r.q << " px";
}
}
}
}
}
// update cursor
ret.info = info.str();
return ret;
}
View::Cursor DisplaysView::over (glm::vec2 pos)
{
// output_zoomarea_->visible_ = false;
// if ( display_action_ == 2 ) {
// // utility
// bool _over_render = false;
// glm::vec2 _uv_cursor_center(0.f, 0.f);
// glm::vec3 scene_pos = Rendering::manager().unProject(pos);
// // find if the output_render surface is under the cursor at scene_pos
// _over_render = set_UV_output_render_from_pick(scene_pos, &_uv_cursor_center);
// // set coordinates of zoom area indicator under cursor at position 'pos'
// output_zoomarea_->translation_ = glm::inverse(scene.root()->transform_) * glm::vec4(scene_pos, 1.f);
// output_zoomarea_->visible_ = _over_render;
// output_zoomarea_->scale_ = glm::vec3(output_scale * output_->scale_.x, output_scale * output_->scale_.x, 1.f);
// // mouse cursor is over the rendering surface
// if (_over_render) {
// // get the imgui screen area to render the zoom window into
// const ImGuiIO& io = ImGui::GetIO();
// const ImVec2 margin(100.f, 50.f);
// ImVec2 screen = io.DisplaySize - margin * 2.f;
// ImVec2 win_pos = margin;
// ImVec2 win_size = screen * 0.5f;
// // vimix window is horizontal
// if ( screen.x > screen.y){
// // set zoom window to square
// win_size.y = win_size.x;
// // show the zoom window left and right of window
// win_pos.y += (screen.y - win_size.y) * 0.5f;
// win_pos.x += (pos.x > io.DisplaySize.x * 0.5f) ? 0 : win_size.x;
// }
// // vimix window is vertical
// else {
// // set zoom window to square
// win_size.x = win_size.y;
// // show the zoom window top and bottom of window
// win_pos.x += (screen.x - win_size.x) * 0.5f;
// win_pos.y += (pos.y > io.DisplaySize.y * 0.5f) ? 0 : win_size.y;
// }
// // DRAW window without decoration, 100% opaque, with 2 pixels on the border
// ImGui::PushStyleVar(ImGuiStyleVar_Alpha, 1.f);
// ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.f);
// ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2(2.f, 2.f));
// ImGui::SetNextWindowPos(win_pos, ImGuiCond_Always);
// ImGui::SetNextWindowSize(win_size, ImGuiCond_Always);
// if (ImGui::Begin("##DisplaysMacro", NULL, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoDecoration
// | ImGuiWindowFlags_NoSavedSettings ))
// {
// ImVec2 _zoom(zoom_factor, zoom_factor * output_ar);
// ImVec2 _uv1( _uv_cursor_center.x - _zoom.x * 0.5f, _uv_cursor_center.y - _zoom.y * 0.5f);
// _uv1 = ImClamp( _uv1, ImVec2(0.f, 0.f), ImVec2(1.f, 1.f));
// ImVec2 rect = _uv1 + _zoom;
// ImVec2 _uv2 = ImClamp( rect, ImVec2(0.f, 0.f), ImVec2(1.f, 1.f));
// _uv1 = _uv2 - _zoom;
// ImGui::Image((void*)(intptr_t) output_render_->textureIndex(), win_size, _uv1, _uv2);
// ImGui::End();
// }
// ImGui::PopStyleVar(3);
// }
// }
return Cursor();
}
bool DisplaysView::doubleclic (glm::vec2 P)
{
// TODO find which window?
if ( pick(P).first != nullptr) {
Rendering::manager().outputWindow(current_window_).show();
return true;
}
return false;
}
void DisplaysView::arrow (glm::vec2 movement)
{
// grab only works on current window if not fullscreen
if (current_window_ > -1 && !Settings::application.windows[current_window_+1].fullscreen) {
// operate in pixel coordinates
static glm::vec2 p;
// initiate movement (only once)
if (!current_action_ongoing_) {
// initial position
p.x = (windows_[current_window_].root_->translation_.x - windows_[current_window_].root_->scale_.x) / DISPLAYS_UNIT;
p.y = (windows_[current_window_].root_->translation_.y + windows_[current_window_].root_->scale_.y) / - DISPLAYS_UNIT;
// initiate (terminated at key release)
current_action_ongoing_ = true;
}
// add movement vector to position (pixel precision)
p += movement ; //* (dt_ * 0.5f);
// discretized translation with ALT
if (UserInterface::manager().altModifier()) {
glm::vec2 q;
q.x = ROUND(p.x, 0.05f); // 20 pix precision
q.y = ROUND(p.y, 0.05f);
// convert back to output-frame coordinates
windows_[current_window_].root_->translation_.x = (q.x * DISPLAYS_UNIT) + windows_[current_window_].root_->scale_.x;
windows_[current_window_].root_->translation_.y = (q.y * - DISPLAYS_UNIT) - windows_[current_window_].root_->scale_.y;
}
else
{
// convert back to output-frame coordinates
windows_[current_window_].root_->translation_.x = (p.x * DISPLAYS_UNIT) + windows_[current_window_].root_->scale_.x;
windows_[current_window_].root_->translation_.y = (p.y * - DISPLAYS_UNIT) - windows_[current_window_].root_->scale_.y;
}
}
}
bool WindowPreview::hasNode::operator()(WindowPreview elem) const
{
if (_n)
{
if (_n == elem.render_ ||
_n == elem.surface_ ||
_n == elem.title_)
return true;
}
return false;
}
//// from scene coordinates pos, get the UV of point in the output render
//// returns true if on output_render
//bool DisplaysView::get_UV_window_render_from_pick(const glm::vec3 &pos, glm::vec2 *uv)
//{
// bool ret = false;
// // perform picking at pos
// PickingVisitor pv(pos);
// scene.accept(pv);
// // find if the output_render surface is at pos
// for(std::vector< std::pair<Node *, glm::vec2> >::const_reverse_iterator p = pv.rbegin(); p != pv.rend(); ++p){
// // if found the output rendering surface at pos
// if ( p->first == window_render_) {
// // set return value to true
// ret = true;
// // convert picking coordinates into UV
// // This works only as we are sure that the output_render_ UV mapping is fixed
// *uv = (p->second + glm::vec2(1.f, -1.f)) * glm::vec2(0.5f, -0.5f);
// break;
// }
// }
// return ret;
//}
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