mirror of
https://projects.vdr-developer.org/git/vdr-plugin-tvguide.git
synced 2023-10-05 15:01:48 +02:00
695 lines
20 KiB
C
695 lines
20 KiB
C
#include <list>
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#include "recmenu.h"
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// --- cRecMenu -------------------------------------------------------------
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cRecMenu::cRecMenu(void) {
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border = geoManager.borderRecMenus;
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height = 2*border;
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headerHeight = 0;
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footerHeight = 0;
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currentHeight = 0;
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deleteMenuItems = true;
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scrollable = false;
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scrollbarWidth = 3 * border;
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pixmapScrollBar = NULL;
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imgScrollBar = NULL;
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startIndex = 0;
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stopIndex = 0;
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numItems = 0;
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header = NULL;
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footer = NULL;
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}
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cRecMenu::~cRecMenu(void) {
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if (header)
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delete header;
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ClearMenuItems(true);
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if (footer)
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delete footer;
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if (pixmapScrollBar)
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osdManager.releasePixmap(pixmapScrollBar);
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if (imgScrollBar)
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delete imgScrollBar;
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}
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void cRecMenu::SetWidthPercent(int percentOSDWidth) {
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width = geoManager.osdWidth * percentOSDWidth / 100;
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x = (geoManager.osdWidth - width) / 2;
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}
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void cRecMenu::SetWidthPixel(int pixel) {
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width = pixel;
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x = (geoManager.osdWidth - width) / 2;
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}
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int cRecMenu::CalculateOptimalWidth(void) {
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int optWidth = 0;
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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int itemWidth = (*item)->GetWidth();
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if (itemWidth > optWidth)
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optWidth = itemWidth;
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}
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return optWidth;
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}
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bool cRecMenu::CalculateHeight(bool reDraw) {
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int newHeight = 2*border;
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if (header)
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newHeight += headerHeight;
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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newHeight += (*item)->GetHeight();
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}
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if (footer)
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newHeight += footerHeight;
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y = (geoManager.osdHeight - newHeight) / 2;
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if (newHeight != height) {
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height = newHeight;
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if (scrollable && !reDraw) {
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width += scrollbarWidth + border;
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}
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return true;
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}
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return false;
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}
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void cRecMenu::CreatePixmap(void) {
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if (pixmap)
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osdManager.releasePixmap(pixmap);
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pixmap = osdManager.requestPixmap(3, cRect(x, y, width, height));
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if (scrollable) {
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int scrollBarX = x + width - scrollbarWidth - border;
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int scrollBarY = y + border + headerHeight;
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int scrollBarHeight = height - headerHeight - footerHeight - 2 * border;
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if (pixmapScrollBar)
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osdManager.releasePixmap(pixmapScrollBar);
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pixmapScrollBar = osdManager.requestPixmap(4, cRect(scrollBarX, scrollBarY, scrollbarWidth, scrollBarHeight));
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} else
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pixmapScrollBar = NULL;
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}
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void cRecMenu::SetHeader(cRecMenuItem *header) {
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this->header = header;
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headerHeight = header->GetHeight();
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height += headerHeight;
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}
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void cRecMenu::SetFooter(cRecMenuItem *footer) {
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this->footer = footer;
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footerHeight = footer->GetHeight();
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height += footerHeight;
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}
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void cRecMenu::ClearMenuItems(bool destructor) {
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for (std::list<cRecMenuItem*>::iterator it = menuItems.begin(); it != menuItems.end(); it++) {
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if (deleteMenuItems)
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delete *it;
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else if (!destructor)
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(*it)->Hide();
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}
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menuItems.clear();
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};
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void cRecMenu::InitMenu(bool complete) {
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currentHeight = 0;
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numItems = 0;
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if (scrollable) {
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width -= scrollbarWidth + border;
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osdManager.releasePixmap(pixmapScrollBar);
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pixmapScrollBar = NULL;
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delete imgScrollBar;
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imgScrollBar = NULL;
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}
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osdManager.releasePixmap(pixmap);
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pixmap = NULL;
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for (std::list<cRecMenuItem*>::iterator it = menuItems.begin(); it != menuItems.end(); it++) {
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if (deleteMenuItems)
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delete *it;
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else
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(*it)->Hide();
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}
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menuItems.clear();
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if (complete) {
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startIndex = 0;
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stopIndex = 0;
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scrollable = false;
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} else {
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stopIndex = startIndex;
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}
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}
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void cRecMenu::AddMenuItem(cRecMenuItem *item, bool inFront) {
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item->Show();
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if (!inFront)
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menuItems.push_back(item);
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else
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menuItems.push_front(item);
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}
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bool cRecMenu::AddMenuItemInitial(cRecMenuItem *item, bool inFront) {
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currentHeight += item->GetHeight();
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int totalHeight = headerHeight + footerHeight + currentHeight + 2*border;
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if (totalHeight >= geoManager.osdHeight - 10) {
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scrollable = true;
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currentHeight -= item->GetHeight();
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if (deleteMenuItems) {
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delete item;
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}
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return false;
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}
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numItems++;
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if (!inFront) {
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stopIndex++;
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menuItems.push_back(item);
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} else {
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startIndex--;
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menuItems.push_front(item);
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}
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return true;
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}
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void cRecMenu::Activate(cRecMenuItem *itemOld, cRecMenuItem *item) {
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itemOld->setInactive();
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itemOld->setBackground();
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itemOld->Draw();
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item->setActive();
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item->setBackground();
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item->Draw();
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}
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bool cRecMenu::ActivatePrev(void) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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if (!scrollable && footer && footer->isActive()) {
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if (menuItems.size() > 0) {
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cRecMenuItem *itemLast = menuItems.back();
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Activate(footer, itemLast);
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return true;
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}
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} else if (activeItem) {
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cRecMenuItem *prev = NULL;
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bool foundActive = false;
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for (std::list<cRecMenuItem*>::iterator item = menuItems.end(); item != menuItems.begin(); ) {
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item--;
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if (*item == activeItem) {
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foundActive = true;
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continue;
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}
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if (!foundActive)
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continue;
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if ((*item)->isSelectable()) {
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prev = *item;
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break;
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}
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}
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if (prev) {
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Activate(activeItem , prev);
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return true;
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}
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}
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return false;
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}
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bool cRecMenu::ScrollUp(void) {
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if (footer && footer->isActive()) {
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if (menuItems.size() > 0)
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Activate(footer, menuItems.back());
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} else {
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//get perv x items
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int numNewItems = numItems / 2;
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int numAdded = 0;
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cRecMenuItem *newItem = NULL;
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while (newItem = GetMenuItem(startIndex-1)) {
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AddMenuItem(newItem, true);
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cRecMenuItem *last = menuItems.back();
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if (deleteMenuItems) {
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delete last;
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} else {
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last->setInactive();
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last->Hide();
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}
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menuItems.pop_back();
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stopIndex--;
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startIndex--;
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numAdded++;
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if (numAdded >= numNewItems)
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break;
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}
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if (numAdded != 0) {
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scrollable = true;
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if (CalculateHeight(true))
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CreatePixmap();
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Arrange(deleteMenuItems);
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Display(deleteMenuItems);
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ActivatePrev();
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} else {
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return false;
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}
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}
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return true;
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}
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bool cRecMenu::ActivateNext(void) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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if (activeItem) {
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cRecMenuItem *next = NULL;
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bool foundActive = false;
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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if (*item == activeItem) {
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foundActive = true;
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continue;
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}
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if (!foundActive)
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continue;
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if ((*item)->isSelectable()) {
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next = *item;
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break;
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}
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}
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if (next) {
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Activate(activeItem , next);
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return true;
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} else if (!scrollable && footer && footer->isSelectable() && !footer->isActive()) {
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Activate(activeItem , footer);
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return true;
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}
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}
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return false;
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}
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bool cRecMenu::ScrollDown(void) {
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//get next x items
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int numNewItems = numItems / 2;
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int numAdded = 0;
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cRecMenuItem *newItem = NULL;
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while (newItem = GetMenuItem(stopIndex)) {
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menuItems.push_back(newItem);
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cRecMenuItem *first = menuItems.front();
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if (deleteMenuItems) {
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delete first;
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} else {
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first->setInactive();
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first->Hide();
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}
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menuItems.pop_front();
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startIndex++;
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stopIndex++;
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numAdded++;
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if (numAdded >= numNewItems)
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break;
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}
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if (numAdded != 0) {
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scrollable = true;
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if (CalculateHeight(true))
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CreatePixmap();
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Arrange(deleteMenuItems);
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Display(deleteMenuItems);
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ActivateNext();
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} else {
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//last item reached, activate footer if not already active
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if ((footer) && !(footer->isActive())) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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Activate(activeItem , footer);
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} else {
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return false;
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}
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}
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return true;
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}
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void cRecMenu::PageUp(void) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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if (!activeItem)
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return;
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if (!scrollable) {
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JumpBegin();
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return;
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}
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if (footer && activeItem == footer) {
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Activate(footer, menuItems.front());
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return;
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}
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int newActive = GetActive() - numItems;
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if (newActive < 0)
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newActive = 0;
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activeItem->setInactive();
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activeItem->setBackground();
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ClearMenuItems();
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currentHeight = 0;
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stopIndex = startIndex;
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numItems = 0;
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cRecMenuItem *newItem = NULL;
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bool spaceLeft = true;
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while (newItem = GetMenuItem(startIndex-1)) {
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if (startIndex-1 == newActive)
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newItem->setActive();
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spaceLeft = AddMenuItemInitial(newItem, true);
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if (!spaceLeft)
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break;
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}
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if (spaceLeft) {
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while (newItem = GetMenuItem(stopIndex)) {
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spaceLeft = AddMenuItemInitial(newItem);
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if (!spaceLeft)
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break;
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}
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}
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if (GetActive() == numItems)
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menuItems.front()->setActive();
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if (CalculateHeight(true))
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CreatePixmap();
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Arrange(deleteMenuItems);
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Display(deleteMenuItems);
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}
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void cRecMenu::PageDown(void) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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if (!activeItem)
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return;
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if (footer && activeItem == footer) {
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return;
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}
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if (!scrollable) {
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JumpEnd();
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return;
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}
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int newActive = GetActive() + numItems;
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activeItem->setInactive();
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activeItem->setBackground();
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ClearMenuItems();
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currentHeight = 0;
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numItems = 0;
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startIndex = stopIndex;
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cRecMenuItem *newItem = NULL;
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bool spaceLeft = true;
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while (newItem = GetMenuItem(stopIndex)) {
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if (stopIndex == newActive)
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newItem->setActive();
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spaceLeft = AddMenuItemInitial(newItem);
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if (!spaceLeft)
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break;
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}
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if (spaceLeft) {
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while (newItem = GetMenuItem(startIndex-1)) {
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spaceLeft = AddMenuItemInitial(newItem, true);
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if (!spaceLeft)
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break;
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}
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}
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if (GetActive() == GetTotalNumMenuItems())
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menuItems.back()->setActive();
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if (CalculateHeight(true))
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CreatePixmap();
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Arrange(deleteMenuItems);
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Display(deleteMenuItems);
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}
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void cRecMenu::JumpBegin(void) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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if (!scrollable) {
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cRecMenuItem *firstSelectable= NULL;
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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if ((*item)->isSelectable()) {
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firstSelectable = *item;
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break;
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}
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}
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if (activeItem && firstSelectable) {
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Activate(activeItem , firstSelectable);
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}
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} else {
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activeItem->setInactive();
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activeItem->setBackground();
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if (footer)
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footer->Draw();
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ClearMenuItems();
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int currentItem = 0;
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cRecMenuItem *newItem = NULL;
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while (newItem = GetMenuItem(currentItem)) {
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AddMenuItem(newItem);
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currentItem++;
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if (currentItem >= numItems)
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break;
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}
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Arrange(true);
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startIndex = 0;
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stopIndex = numItems-1;
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cRecMenuItem *first = menuItems.front();
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first->setActive();
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first->setBackground();
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first->Draw();
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Display(true);
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}
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}
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void cRecMenu::JumpEnd(void) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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if (!activeItem)
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return;
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if (!scrollable) {
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cRecMenuItem *lastSelectable= NULL;
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if (footer && footer->isSelectable()) {
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lastSelectable = footer;
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} else {
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for (std::list<cRecMenuItem*>::iterator item = menuItems.end(); item != menuItems.begin(); ) {
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item--;
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if ((*item)->isSelectable()) {
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lastSelectable = *item;
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break;
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}
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}
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}
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if (lastSelectable) {
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Activate(activeItem , lastSelectable);
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}
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} else {
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activeItem->setInactive();
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activeItem->setBackground();
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ClearMenuItems();
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int totalNumItems = GetTotalNumMenuItems();
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int currentItem = totalNumItems-1;
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int itemsAdded = 0;
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cRecMenuItem *newItem = NULL;
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while (newItem = GetMenuItem(currentItem)) {
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AddMenuItem(newItem, true);
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currentItem--;
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itemsAdded++;
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if (itemsAdded >= numItems)
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break;
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}
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Arrange(true);
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stopIndex = totalNumItems;
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startIndex = stopIndex - numItems;
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if (footer) {
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footer->setActive();
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footer->setBackground();
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footer->Draw();
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} else {
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cRecMenuItem *last = menuItems.back();
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last->setActive();
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last->setBackground();
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last->Draw();
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}
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Display(true);
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}
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}
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void cRecMenu::Arrange(bool scroll) {
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int xElement = x + border;
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int yElement = y + border;
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int widthElement = width - 2 * border;
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if (scrollable)
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widthElement -= scrollbarWidth + border;
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if (header) {
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if (!scroll) {
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header->SetGeometry(xElement, yElement, widthElement);
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header->SetPixmaps();
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header->setBackground();
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}
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yElement += header->GetHeight();
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}
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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(*item)->SetGeometry(xElement, yElement, widthElement);
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(*item)->SetPixmaps();
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yElement += (*item)->GetHeight();
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}
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if (footer && !scroll) {
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footer->SetGeometry(xElement, yElement, widthElement);
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footer->SetPixmaps();
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footer->setBackground();
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}
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}
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void cRecMenu::Display(bool scroll) {
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if (tvguideConfig.style == eStyleGraphical) {
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drawBackgroundGraphical(bgRecMenuBack);
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} else {
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pixmap->Fill(theme.Color(clrBackground));
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drawBorder();
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}
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if (header && !scroll) {
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header->setBackground();
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header->Draw();
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}
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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(*item)->setBackground();
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(*item)->Show();
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(*item)->Draw();
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}
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if (footer && !scroll) {
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footer->setBackground();
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footer->Draw();
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}
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if (scrollable)
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DrawScrollBar();
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}
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void cRecMenu::Hide(void) {
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pixmap->SetLayer(-1);
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if (pixmapScrollBar)
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pixmapScrollBar->SetLayer(-1);
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if (header)
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header->Hide();
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if (footer)
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footer->Hide();
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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(*item)->Hide();
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}
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}
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void cRecMenu::Show(void) {
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pixmap->SetLayer(3);
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if (pixmapScrollBar)
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pixmapScrollBar->SetLayer(3);
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if (header)
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header->Show();
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if (footer)
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footer->Show();
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for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
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(*item)->Show();
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}
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}
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void cRecMenu::UpdateActiveMenuItem(void) {
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cRecMenuItem *activeItem = GetActiveMenuItem();
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|
if (activeItem)
|
|
activeItem->Draw();
|
|
}
|
|
|
|
|
|
void cRecMenu::DrawScrollBar(void) {
|
|
pixmapScrollBar->Fill(theme.Color(clrBorder));
|
|
pixmapScrollBar->DrawRectangle(cRect(2,2,pixmapScrollBar->ViewPort().Width()-4, pixmapScrollBar->ViewPort().Height() - 4), theme.Color(clrBackground));
|
|
|
|
int totalNumItems = GetTotalNumMenuItems();
|
|
if (imgScrollBar == NULL) {
|
|
int scrollBarImgHeight = (pixmapScrollBar->ViewPort().Height() - 8) * numItems / totalNumItems;
|
|
imgScrollBar = createScrollbar(pixmapScrollBar->ViewPort().Width()-8, scrollBarImgHeight, theme.Color(clrHighlight), theme.Color(clrHighlightBlending));
|
|
}
|
|
int offset = (pixmapScrollBar->ViewPort().Height() - 8) * startIndex / totalNumItems;
|
|
pixmapScrollBar->DrawImage(cPoint(4, 2 + offset), *imgScrollBar);
|
|
}
|
|
|
|
cRecMenuItem *cRecMenu::GetActiveMenuItem(void) {
|
|
for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
|
|
if ((*item)->isActive())
|
|
return *item;
|
|
}
|
|
if (footer && footer->isActive())
|
|
return footer;
|
|
return NULL;
|
|
}
|
|
|
|
cRecMenuItem *cRecMenu::GetMenuItemAt(int num) {
|
|
int current = 0;
|
|
for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
|
|
if (current == num)
|
|
return *item;
|
|
current++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int cRecMenu::GetActive(void) {
|
|
int numActive = startIndex;
|
|
for (std::list<cRecMenuItem*>::iterator item = menuItems.begin(); item != menuItems.end(); item++) {
|
|
if ((*item)->isActive()) {
|
|
break;
|
|
}
|
|
numActive++;
|
|
}
|
|
return numActive;
|
|
}
|
|
|
|
eRecMenuState cRecMenu::ProcessKey(eKeys Key) {
|
|
cRecMenuItem *activeItem = GetActiveMenuItem();
|
|
eRecMenuState state = rmsContinue;
|
|
if (!activeItem)
|
|
return state;
|
|
|
|
state = activeItem->ProcessKey(Key);
|
|
if (state == rmsRefresh) {
|
|
CreateMenuItems();
|
|
Display();
|
|
} else if (state == rmsNotConsumed) {
|
|
switch (Key & ~k_Repeat) {
|
|
case kUp:
|
|
if (!ActivatePrev())
|
|
if (!ScrollUp())
|
|
JumpEnd();
|
|
state = rmsConsumed;
|
|
break;
|
|
case kDown:
|
|
if (!ActivateNext())
|
|
if (!ScrollDown())
|
|
JumpBegin();
|
|
state = rmsConsumed;
|
|
break;
|
|
case kLeft:
|
|
PageUp();
|
|
state = rmsConsumed;
|
|
break;
|
|
case kRight:
|
|
PageDown();
|
|
state = rmsConsumed;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return state;
|
|
}
|
|
|
|
cImage *cRecMenu::createScrollbar(int width, int height, tColor clrBgr, tColor clrBlend) {
|
|
cImage *image = new cImage(cSize(width, height));
|
|
image->Fill(clrBgr);
|
|
if (tvguideConfig.style != eStyleFlat) {
|
|
int numSteps = 64;
|
|
int alphaStep = 0x03;
|
|
if (height < 30)
|
|
return image;
|
|
else if (height < 100) {
|
|
numSteps = 32;
|
|
alphaStep = 0x06;
|
|
}
|
|
int stepY = 0.5*height / numSteps;
|
|
if (stepY == 0)
|
|
stepY = 1;
|
|
int alpha = 0x40;
|
|
tColor clr;
|
|
for (int i = 0; i<numSteps; i++) {
|
|
clr = AlphaBlend(clrBgr, clrBlend, alpha);
|
|
for (int y = i*stepY; y < (i+1)*stepY; y++) {
|
|
for (int x=0; x<width; x++) {
|
|
image->SetPixel(cPoint(x,y), clr);
|
|
}
|
|
}
|
|
alpha += alphaStep;
|
|
}
|
|
}
|
|
return image;
|
|
} |