vpatchgui.C

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#include "autoconf.h"
#include "automation.h"
#include "edl.h"
#include "edlsession.h"
#include "floatauto.h"
#include "floatautos.h"
#include "intauto.h"
#include "intautos.h"
#include "language.h"
#include "localsession.h"
#include "mainsession.h"
#include "mainundo.h"
#include "mwindow.h"
#include "mwindowgui.h"
#include "overlayframe.inc"
#include "patchbay.h"
#include "theme.h"
#include "trackcanvas.h"
#include "vpatchgui.h"
#include "vtrack.h"

#include <string.h>





VPatchGUI::VPatchGUI(MWindow *mwindow, PatchBay *patchbay, VTrack *track, int x, int y)
 : PatchGUI(mwindow, patchbay, track, x, y)
{
        data_type = TRACK_VIDEO;
        this->vtrack = track;
        mode = 0;
        fade = 0;
}

VPatchGUI::~VPatchGUI()
{
        if(fade) delete fade;
        if(mode) delete mode;
}

int VPatchGUI::create_objects()
{
        return update(x, y);
}

int VPatchGUI::reposition(int x, int y)
{
        int x1 = 0;
        int y1 = PatchGUI::reposition(x, y);

        if(fade) fade->reposition_window(fade->get_x(), 
                y1 + y);

        y1 += mwindow->theme->fade_h;

        if(mode) mode->reposition_window(mode->get_x(),
                y1 + y);

        if(nudge) nudge->reposition_window(nudge->get_x(), 
                y1 + y);


        y1 += mwindow->theme->mode_h;

        return y1;
}

int VPatchGUI::update(int x, int y)
{
        int h = track->vertical_span(mwindow->theme);
        int x1 = 0;
        int y1 = PatchGUI::update(x, y);

        if(fade)
        {
                if(h - y1 < mwindow->theme->fade_h)
                {
                        delete fade;
                        fade = 0;
                }
                else
                {
                        FloatAuto *previous = 0, *next = 0;
                        double unit_position = mwindow->edl->local_session->get_selectionstart(1);
                        unit_position = mwindow->edl->align_to_frame(unit_position, 0);
                        unit_position = vtrack->to_units(unit_position, 0);
                        int value = (int)((FloatAutos*)vtrack->automation->autos[AUTOMATION_FADE])->get_value(
                                (int64_t)unit_position,
                                PLAY_FORWARD, 
                                previous, 
                                next);
                        fade->update(value);
//                      fade->update((int)fade->get_keyframe(mwindow, this)->value);
                }
        }
        else
        if(h - y1 >= mwindow->theme->fade_h)
        {
                patchbay->add_subwindow(fade = new VFadePatch(mwindow, 
                        this, 
                        x1 + x, 
                        y1 + y, 
                        patchbay->get_w() - 10));
        }
        y1 += mwindow->theme->fade_h;

        if(mode)
        {
                if(h - y1 < mwindow->theme->mode_h)
                {
                        delete mode;
                        mode = 0;
                        delete nudge;
                        nudge = 0;
                }
                else
                {
                        mode->update(mode->get_keyframe(mwindow, this)->value);
                        nudge->update();
                }
        }
        else
        if(h - y1 >= mwindow->theme->mode_h)
        {
                patchbay->add_subwindow(mode = new VModePatch(mwindow, 
                        this, 
                        x1 + x, 
                        y1 + y));
                mode->create_objects();
                x1 += mode->get_w() + 10;
                patchbay->add_subwindow(nudge = new NudgePatch(mwindow,
                        this,
                        x1 + x,
                        y1 + y,
                        patchbay->get_w() - x1 - 10));
        }





        y1 += mwindow->theme->mode_h;
        
        return y1;
}



void VPatchGUI::synchronize_fade(float value_change)
{
        if(fade && !change_source) 
        {
                fade->update(Units::to_int64(fade->get_value() + value_change));
                fade->update_edl();
        }
}


VFadePatch::VFadePatch(MWindow *mwindow, VPatchGUI *patch, int x, int y, int w)
 : BC_ISlider(x, 
                        y,
                        0,
                        w, 
                        w, 
                        0, 
                        MAX_VIDEO_FADE, 
                        (int64_t)get_keyframe(mwindow, patch)->value)
{
        this->mwindow = mwindow;
        this->patch = patch;
}

float VFadePatch::update_edl()
{
        FloatAuto *current;
        double position = mwindow->edl->local_session->get_selectionstart(1);
        Autos *fade_autos = patch->vtrack->automation->autos[AUTOMATION_FADE];
        int need_undo = !fade_autos->auto_exists_for_editing(position);


        current = (FloatAuto*)fade_autos->get_auto_for_editing(position);

        float result = get_value() - current->value;
        current->value = get_value();

        mwindow->undo->update_undo(_("fade"), LOAD_AUTOMATION, need_undo ? 0 : this);

        return result;
}

int VFadePatch::handle_event()
{
        if(shift_down())
        {
                update(100);
                set_tooltip(get_caption());
        }

        patch->change_source = 1;

        float change = update_edl();

        if(patch->track->gang) 
                patch->patchbay->synchronize_faders(change, TRACK_VIDEO, patch->track);

        patch->change_source = 0;


        mwindow->gui->unlock_window();
        mwindow->restart_brender();
        mwindow->sync_parameters(CHANGE_PARAMS);
        mwindow->gui->lock_window("VFadePatch::handle_event");
        if(mwindow->edl->session->auto_conf->autos[AUTOMATION_FADE])
        {
                mwindow->gui->canvas->draw_overlays();
                mwindow->gui->canvas->flash();
        }
        return 1;
}

FloatAuto* VFadePatch::get_keyframe(MWindow *mwindow, VPatchGUI *patch)
{
        double unit_position = mwindow->edl->local_session->get_selectionstart(1);
        unit_position = mwindow->edl->align_to_frame(unit_position, 0);
        unit_position = patch->vtrack->to_units(unit_position, 0);
        Auto *current = 0;

        return (FloatAuto*)patch->vtrack->automation->autos[AUTOMATION_FADE]->get_prev_auto(
                (int64_t)unit_position, 
                PLAY_FORWARD,
                current);
}




VModePatch::VModePatch(MWindow *mwindow, VPatchGUI *patch, int x, int y)
 : BC_PopupMenu(x, 
        y,
        patch->patchbay->mode_icons[0]->get_w() + 20,
        "",
        1,
        mwindow->theme->get_image_set("mode_popup", 0),
        10)
{
        this->mwindow = mwindow;
        this->patch = patch;
        this->mode = get_keyframe(mwindow, patch)->value;
        set_icon(patch->patchbay->mode_to_icon(this->mode));
        set_tooltip("Overlay mode");
}

int VModePatch::handle_event()
{
// Set menu items
//      for(int i = 0; i < total_items(); i++)
//      {
//              VModePatchItem *item = (VModePatchItem*)get_item(i);
//              if(item->mode == mode) 
//                      item->set_checked(1);
//              else
//                      item->set_checked(0);
//      }
        update(mode);

// Set keyframe
        IntAuto *current;
        double position = mwindow->edl->local_session->get_selectionstart(1);
        Autos *mode_autos = patch->vtrack->automation->autos[AUTOMATION_MODE];
        int need_undo = !mode_autos->auto_exists_for_editing(position);


        current = (IntAuto*)mode_autos->get_auto_for_editing(position);
        current->value = mode;

        mwindow->undo->update_undo(_("mode"), LOAD_AUTOMATION, need_undo ? 0 : this);

        mwindow->sync_parameters(CHANGE_PARAMS);

        if(mwindow->edl->session->auto_conf->autos[AUTOMATION_MODE])
        {
                mwindow->gui->canvas->draw_overlays();
                mwindow->gui->canvas->flash();
        }
        mwindow->session->changes_made = 1;
        return 1;
}

IntAuto* VModePatch::get_keyframe(MWindow *mwindow, VPatchGUI *patch)
{
        Auto *current = 0;
        double unit_position = mwindow->edl->local_session->get_selectionstart(1);
        unit_position = mwindow->edl->align_to_frame(unit_position, 0);
        unit_position = patch->vtrack->to_units(unit_position, 0);

        return (IntAuto*)patch->vtrack->automation->autos[AUTOMATION_MODE]->get_prev_auto(
                (int64_t)unit_position, 
                PLAY_FORWARD,
                current);
}


int VModePatch::create_objects()
{
        add_item(new VModePatchItem(this, mode_to_text(TRANSFER_NORMAL), TRANSFER_NORMAL));
        add_item(new VModePatchItem(this, mode_to_text(TRANSFER_ADDITION), TRANSFER_ADDITION));
        add_item(new VModePatchItem(this, mode_to_text(TRANSFER_SUBTRACT), TRANSFER_SUBTRACT));
        add_item(new VModePatchItem(this, mode_to_text(TRANSFER_MULTIPLY), TRANSFER_MULTIPLY));
        add_item(new VModePatchItem(this, mode_to_text(TRANSFER_DIVIDE), TRANSFER_DIVIDE));
        add_item(new VModePatchItem(this, mode_to_text(TRANSFER_REPLACE), TRANSFER_REPLACE));
        return 0;
}

void VModePatch::update(int mode)
{
        set_icon(patch->patchbay->mode_to_icon(mode));
        for(int i = 0; i < total_items(); i++)
        {
                VModePatchItem *item = (VModePatchItem*)get_item(i);
                item->set_checked(item->mode == mode);
        }
}


char* VModePatch::mode_to_text(int mode)
{
        switch(mode)
        {
                case TRANSFER_NORMAL:
                        return _("Normal");
                        break;

                case TRANSFER_REPLACE:
                        return _("Replace");
                        break;

                case TRANSFER_ADDITION:
                        return _("Addition");
                        break;

                case TRANSFER_SUBTRACT:
                        return _("Subtract");
                        break;

                case TRANSFER_MULTIPLY:
                        return _("Multiply");
                        break;

                case TRANSFER_DIVIDE:
                        return _("Divide");
                        break;

                default:
                        return _("Normal");
                        break;
        }
        return "";
}






VModePatchItem::VModePatchItem(VModePatch *popup, char *text, int mode)
 : BC_MenuItem(text)
{
        this->popup = popup;
        this->mode = mode;
        if(this->mode == popup->mode) set_checked(1);
}

int VModePatchItem::handle_event()
{
        popup->mode = mode;
//      popup->set_icon(popup->patch->patchbay->mode_to_icon(mode));
        popup->handle_event();
        return 1;
}

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