* code and style cleanup, no functional change...
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24661 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Karsten Heimrich
parent
d8d5b63a94
commit
77b6a3f51b
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@ -5,9 +5,8 @@
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* Authors:
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* Michael Pfeiffer
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* Hartmut Reh
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* julun <host.haiku@gmx.de>
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*/
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// TODO Remove. Use shared/libprint/Preview.cpp instead.
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#include <stdlib.h>
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@ -19,61 +18,80 @@
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#include "Preview.h"
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// Implementation of PreviewPage
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// #pragma mark - PreviewPage
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PreviewPage::PreviewPage(int32 page, PrintJobPage* pjp)
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: fPage(page)
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, fPictures(NULL)
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, fPoints(NULL)
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, fStatus(B_ERROR)
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, fNumberOfPictures(0)
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, fRects(NULL)
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, fPoints(NULL)
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, fPictures(NULL)
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{
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fNumberOfPictures = pjp->NumberOfPictures();
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fPictures = new BPicture[fNumberOfPictures];
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fPoints = new BPoint[fNumberOfPictures];
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fRects = new BRect[fNumberOfPictures];
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status_t rc = B_ERROR;
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for (int32 i = 0; i < fNumberOfPictures &&
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(rc = pjp->NextPicture(fPictures[i], fPoints[i], fRects[i])) == B_OK; i ++);
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fStatus = rc;
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}
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fPoints = new BPoint[fNumberOfPictures];
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fPictures = new BPicture[fNumberOfPictures];
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PreviewPage::~PreviewPage() {
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delete []fPictures;
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delete []fPoints;
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delete []fRects;
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}
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status_t PreviewPage::InitCheck() const {
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return fStatus;
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}
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void PreviewPage::Draw(BView* view)
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{
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ASSERT(fStatus == B_OK);
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for (int32 i = 0; i < fNumberOfPictures; i ++)
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{
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view->DrawPicture(&fPictures[i], fPoints[i]);
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for (int32 i = 0; i < fNumberOfPictures; ++i) {
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fStatus = pjp->NextPicture(fPictures[i], fPoints[i], fRects[i]);
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if (fStatus != B_OK)
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break;
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}
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}
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// Implementation of PreviewView
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PreviewPage::~PreviewPage()
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{
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delete [] fRects;
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delete [] fPoints;
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delete [] fPictures;
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}
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status_t
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PreviewPage::InitCheck() const
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{
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return fStatus;
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}
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void
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PreviewPage::Draw(BView* view)
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{
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ASSERT(fStatus == B_OK);
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for (int32 i = 0; i < fNumberOfPictures; i++)
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view->DrawPicture(&fPictures[i], fPoints[i]);
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}
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// #pragma mark - PreviewView
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const float kPreviewTopMargin = 10;
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const float kPreviewBottomMargin = 30;
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const float kPreviewLeftMargin = 10;
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const float kPreviewRightMargin = 30;
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const uint8 ZOOM_IN[] = { 16, 1, 6, 6, 0, 0, 15, 128, 48, 96, 32, 32, 66, 16, 66, 16,
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79, 144, 66, 16, 66, 16, 32, 32, 48, 112, 15, 184, 0, 28, 0, 14, 0, 6, 0, 0, 15,
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128, 63, 224, 127, 240, 127, 240, 255, 248, 255, 248, 255, 248, 255, 248, 255, 248,
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127, 248, 127, 248, 63, 252, 15, 254, 0, 31, 0, 15, 0, 7 };
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const uint8 ZOOM_OUT[] = { 16, 1, 6, 6, 0, 0, 15, 128, 48, 96, 32, 32, 64, 16, 64, 16,
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79, 144, 64, 16, 64, 16, 32, 32, 48, 112, 15, 184, 0, 28, 0, 14, 0, 6, 0, 0, 15,
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128, 63, 224, 127, 240, 127, 240, 255, 248, 255, 248, 255, 248, 255, 248, 255, 248,
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127, 248, 127, 248, 63, 252, 15, 254, 0, 31, 0, 15, 0, 7 };
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const uint8 ZOOM_IN[] = { 16, 1, 6, 6, 0, 0, 15, 128, 48, 96, 32, 32, 66, 16,
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66, 16, 79, 144, 66, 16, 66, 16, 32, 32, 48, 112, 15, 184, 0, 28, 0, 14, 0,
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6, 0, 0, 15, 128, 63, 224, 127, 240, 127, 240, 255, 248, 255, 248, 255, 248,
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255, 248, 255, 248, 127, 248, 127, 248, 63, 252, 15, 254, 0, 31, 0, 15, 0, 7 };
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const uint8 ZOOM_OUT[] = { 16, 1, 6, 6, 0, 0, 15, 128, 48, 96, 32, 32, 64, 16,
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64, 16, 79, 144, 64, 16, 64, 16, 32, 32, 48, 112, 15, 184, 0, 28, 0, 14, 0,
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6, 0, 0, 15, 128, 63, 224, 127, 240, 127, 240, 255, 248, 255, 248, 255, 248,
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255, 248, 255, 248, 127, 248, 127, 248, 63, 252, 15, 254, 0, 31, 0, 15, 0, 7 };
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PreviewView::PreviewView(BFile* jobFile, BRect rect)
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: BView(rect, "PreviewView", B_FOLLOW_ALL, B_WILL_DRAW | B_FRAME_EVENTS | B_NAVIGABLE)
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: BView(rect, "PreviewView", B_FOLLOW_ALL, B_WILL_DRAW | B_FRAME_EVENTS |
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B_NAVIGABLE)
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, fPage(0)
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, fZoom(0)
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, fTracking(false)
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@ -96,6 +114,28 @@ PreviewView::Show()
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}
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void
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PreviewView::Draw(BRect rect)
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{
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if (fReader.InitCheck() == B_OK) {
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if (!_IsPageLoaded(fPage))
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_LoadPage(fPage);
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if (_IsPageValid()) {
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_DrawPageFrame(rect);
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_DrawPage(rect);
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}
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}
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}
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void
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PreviewView::FrameResized(float width, float height)
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{
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FixScrollbars();
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}
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void
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PreviewView::MouseDown(BPoint point)
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{
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@ -184,7 +224,7 @@ PreviewView::MouseUp(BPoint point)
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void
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PreviewView::KeyDown(const char* bytes, int32 numBytes)
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{
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MakeFocus(true);
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MakeFocus(true);
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switch (bytes[0]) {
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case '-': {
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if (modifiers() & B_CONTROL_KEY)
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@ -203,8 +243,178 @@ PreviewView::KeyDown(const char* bytes, int32 numBytes)
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}
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void
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PreviewView::ShowFirstPage()
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{
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if (!ShowsFirstPage()) {
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fPage = 0;
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Invalidate();
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}
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}
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void
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PreviewView::ShowPrevPage()
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{
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if (!ShowsFirstPage()) {
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fPage --;
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Invalidate();
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}
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}
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void
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PreviewView::ShowNextPage()
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{
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if (!ShowsLastPage()) {
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fPage ++;
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Invalidate();
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}
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}
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void
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PreviewView::ShowLastPage()
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{
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if (!ShowsLastPage()) {
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fPage = NumberOfPages()-1;
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Invalidate();
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}
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}
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bool
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PreviewView::ShowsFirstPage() const
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{
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return fPage == 0;
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}
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bool
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PreviewView::ShowsLastPage() const
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{
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return fPage == NumberOfPages() - 1;
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}
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void
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PreviewView::ShowFindPage(int32 page)
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{
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page--;
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if (page < 0) {
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page = 0;
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} else if (page > (NumberOfPages()-1)) {
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page = NumberOfPages()-1;
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}
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fPage = (int32)page;
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Invalidate();
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}
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void
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PreviewView::ZoomIn()
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{
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if (CanZoomIn()) {
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fZoom ++; FixScrollbars();
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Invalidate();
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}
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}
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bool
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PreviewView::CanZoomIn() const
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{
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return fZoom < 4;
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}
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void
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PreviewView::ZoomOut()
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{
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if (CanZoomOut()) {
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fZoom --; FixScrollbars();
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Invalidate();
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}
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}
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bool
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PreviewView::CanZoomOut() const
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{
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return fZoom > -2;
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}
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void
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PreviewView::FixScrollbars()
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{
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float width = _PageRect().Width() + kPreviewLeftMargin + kPreviewRightMargin;
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float height = _PageRect().Height() + kPreviewTopMargin + kPreviewBottomMargin;
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BRect frame(Bounds());
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float x = width - frame.Width();
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if (x < 0.0)
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x = 0.0;
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float y = height - frame.Height();
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if (y < 0.0)
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y = 0.0;
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BScrollBar * scroll = ScrollBar(B_HORIZONTAL);
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scroll->SetRange (0.0, x);
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scroll->SetProportion ((width - x) / width);
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float bigStep = frame.Width() - 2;
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float smallStep = bigStep / 10.;
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scroll->SetSteps (smallStep, bigStep);
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scroll = ScrollBar (B_VERTICAL);
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scroll->SetRange (0.0, y);
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scroll->SetProportion ((height - y) / height);
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bigStep = frame.Height() - 2;
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smallStep = bigStep / 10.;
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scroll->SetSteps (smallStep, bigStep);
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}
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BRect
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PreviewView::ViewRect() const
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{
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BRect r(_PageRect());
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r.right += kPreviewLeftMargin + kPreviewRightMargin;
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r.bottom += kPreviewTopMargin + kPreviewBottomMargin;
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return r;
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}
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status_t
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PreviewView::InitCheck() const
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{
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return fReader.InitCheck();
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}
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int32
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PreviewView::NumberOfPages() const
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{
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return fReader.NumberOfPages();
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}
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BRect
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PreviewView::_PageRect() const
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{
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float f = _ZoomFactor();
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BRect r = fReader.PaperRect();
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return ScaleRect(r, f);
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}
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// returns 2 ^ fZoom
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float PreviewView::ZoomFactor() const {
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float
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PreviewView::_ZoomFactor() const
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{
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const int32 b = 4;
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int32 zoom;
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if (fZoom > 0) {
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@ -216,288 +426,169 @@ float PreviewView::ZoomFactor() const {
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return factor * fReader.GetScale() / 100.0;
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}
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BRect PreviewView::PageRect() const {
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float f = ZoomFactor();
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BRect r = fReader.PaperRect();
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return ScaleRect(r, f);
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}
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BRect PreviewView::PrintableRect() const {
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float f = ZoomFactor();
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BRect
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PreviewView::_PrintableRect() const
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{
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float f = _ZoomFactor();
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BRect r = fReader.PrintableRect();
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return ScaleRect(r, f);
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}
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BRect PreviewView::ViewRect() const {
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BRect r(PageRect());
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r.right += kPreviewLeftMargin + kPreviewRightMargin;
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r.bottom += kPreviewTopMargin + kPreviewBottomMargin;
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return r;
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}
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status_t PreviewView::InitCheck() const {
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return fReader.InitCheck();
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}
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bool PreviewView::IsPageLoaded(int32 page) const {
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return fCachedPage != NULL && fCachedPage->Page() == page;
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}
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bool PreviewView::IsPageValid() const {
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bool
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PreviewView::_IsPageValid() const
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{
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return fCachedPage && fCachedPage->InitCheck() == B_OK;
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}
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void PreviewView::LoadPage(int32 page) {
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delete fCachedPage; fCachedPage = NULL;
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void
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PreviewView::_LoadPage(int32 page)
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{
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delete fCachedPage;
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fCachedPage = NULL;
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PrintJobPage pjp;
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if (fReader.GetPage(page, pjp) == B_OK) {
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if (fReader.GetPage(page, pjp) == B_OK)
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fCachedPage = new PreviewPage(page, &pjp);
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}
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}
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void PreviewView::DrawPageFrame(BRect rect) {
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bool
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PreviewView::_IsPageLoaded(int32 page) const
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{
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return fCachedPage != NULL && fCachedPage->Page() == page;
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}
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void
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PreviewView::_DrawPageFrame(BRect rect)
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{
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const float kShadowIndent = 3;
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const float kShadowWidth = 3;
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float x, y;
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float right, bottom;
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rgb_color frameColor = {0, 0, 0, 0};
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rgb_color shadowColor = {90, 90, 90, 0};
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BRect r(PageRect());
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rgb_color frameColor = { 0, 0, 0, 0 };
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rgb_color shadowColor = { 90, 90, 90, 0 };
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PushState();
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// draw page border around page
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r.InsetBy(-1, -1);
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BRect r(_PageRect().InsetByCopy(-1, -1));
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r.OffsetTo(kPreviewLeftMargin-1, kPreviewTopMargin-1);
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SetHighColor(frameColor);
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StrokeRect(r);
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// draw page shadow
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SetHighColor(shadowColor);
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x = r.right + 1;
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right = x + kShadowWidth;
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bottom = r.bottom + 1 + kShadowWidth;
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y = r.top + kShadowIndent;
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float x = r.right + 1;
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float right = x + kShadowWidth;
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float bottom = r.bottom + 1 + kShadowWidth;
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float y = r.top + kShadowIndent;
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FillRect(BRect(x, y, right, bottom));
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x = r.left + kShadowIndent;
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y = r.bottom + 1;
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FillRect(BRect(x, y, r.right, bottom));
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PopState();
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}
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void PreviewView::DrawPage(BRect rect)
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{
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void
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PreviewView::_DrawPage(BRect rect)
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{
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// constrain clipping region to printable rectangle
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BRect r(PrintableRect());
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BRect r(_PrintableRect());
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r.OffsetBy(kPreviewLeftMargin, kPreviewTopMargin);
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BRegion clip(r);
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// Text drawing does not work if clipping region
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// is constraint.
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// TODO enable after app_server bug has been fixed
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// ConstrainClippingRegion(&clip);
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ConstrainClippingRegion(&clip);
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// draw page contents
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PushState();
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// print job coordinates are relative to the printable rect
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BRect printRect = fReader.PrintableRect();
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SetOrigin(kPreviewLeftMargin + printRect.left * ZoomFactor(),
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kPreviewTopMargin + printRect.top * ZoomFactor());
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SetScale(ZoomFactor());
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PushState();
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fCachedPage->Draw(this);
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PopState();
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SetOrigin(kPreviewLeftMargin + printRect.left * _ZoomFactor(),
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kPreviewTopMargin + printRect.top * _ZoomFactor());
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SetScale(_ZoomFactor());
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PushState();
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fCachedPage->Draw(this);
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PopState();
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PopState();
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}
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void PreviewView::Draw(BRect rect) {
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if (fReader.InitCheck() == B_OK) {
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if (!IsPageLoaded(fPage)) {
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LoadPage(fPage);
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}
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if (IsPageValid()) {
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DrawPageFrame(rect);
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DrawPage(rect);
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}
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}
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}
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void PreviewView::FrameResized(float width, float height) {
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FixScrollbars();
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}
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// #pragma mark - PreviewWindow
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|
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bool PreviewView::ShowsFirstPage() const {
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return fPage == 0;
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}
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bool PreviewView::ShowsLastPage() const {
|
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return fPage == NumberOfPages() - 1;
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}
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int PreviewView::NumberOfPages() const {
|
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return fReader.NumberOfPages();
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}
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void PreviewView::ShowNextPage() {
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if (!ShowsLastPage()) {
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fPage ++;
|
||||
Invalidate();
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewView::ShowPrevPage() {
|
||||
if (!ShowsFirstPage()) {
|
||||
fPage --;
|
||||
Invalidate();
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewView::ShowFirstPage() {
|
||||
if (!ShowsFirstPage()) {
|
||||
fPage = 0;
|
||||
Invalidate();
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewView::ShowLastPage() {
|
||||
if (!ShowsLastPage()) {
|
||||
fPage = NumberOfPages()-1;
|
||||
Invalidate();
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewView::ShowFindPage(int page) {
|
||||
page --;
|
||||
|
||||
if (page < 0) {
|
||||
page = 0;
|
||||
} else if (page > (NumberOfPages()-1)) {
|
||||
page = NumberOfPages()-1;
|
||||
}
|
||||
|
||||
fPage = (int32)page;
|
||||
|
||||
Invalidate();
|
||||
}
|
||||
|
||||
bool PreviewView::CanZoomIn() const {
|
||||
return fZoom < 4;
|
||||
}
|
||||
|
||||
bool PreviewView::CanZoomOut() const {
|
||||
return fZoom > -2;
|
||||
}
|
||||
|
||||
void PreviewView::ZoomIn() {
|
||||
if (CanZoomIn()) {
|
||||
fZoom ++; FixScrollbars();
|
||||
Invalidate();
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewView::ZoomOut() {
|
||||
if (CanZoomOut()) {
|
||||
fZoom --; FixScrollbars();
|
||||
Invalidate();
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewView::FixScrollbars() {
|
||||
BRect frame = Bounds();
|
||||
BScrollBar * scroll;
|
||||
float x, y;
|
||||
float bigStep, smallStep;
|
||||
float width = PageRect().Width() + kPreviewLeftMargin + kPreviewRightMargin;
|
||||
float height = PageRect().Height() + kPreviewTopMargin + kPreviewBottomMargin;
|
||||
x = width - frame.Width();
|
||||
if (x < 0.0) {
|
||||
x = 0.0;
|
||||
}
|
||||
y = height - frame.Height();
|
||||
if (y < 0.0) {
|
||||
y = 0.0;
|
||||
}
|
||||
|
||||
scroll = ScrollBar (B_HORIZONTAL);
|
||||
scroll->SetRange (0.0, x);
|
||||
scroll->SetProportion ((width - x) / width);
|
||||
bigStep = frame.Width() - 2;
|
||||
smallStep = bigStep / 10.;
|
||||
scroll->SetSteps (smallStep, bigStep);
|
||||
|
||||
scroll = ScrollBar (B_VERTICAL);
|
||||
scroll->SetRange (0.0, y);
|
||||
scroll->SetProportion ((height - y) / height);
|
||||
bigStep = frame.Height() - 2;
|
||||
smallStep = bigStep / 10.;
|
||||
scroll->SetSteps (smallStep, bigStep);
|
||||
}
|
||||
|
||||
// Implementation of PreviewWindow
|
||||
|
||||
PreviewWindow::PreviewWindow(BFile* jobFile)
|
||||
PreviewWindow::PreviewWindow(BFile* jobFile)
|
||||
: BlockingWindow(BRect(20, 24, 400, 600), "Preview", B_DOCUMENT_WINDOW,
|
||||
B_ASYNCHRONOUS_CONTROLS)
|
||||
, fButtonBarHeight(0.0)
|
||||
{
|
||||
const float kButtonDistance = 15;
|
||||
const float kPageTextDistance = 10;
|
||||
|
||||
|
||||
float top = 7;
|
||||
float left = 20;
|
||||
float width, height;
|
||||
|
||||
BRect r = Frame();
|
||||
r.right = r.IntegerWidth() - B_V_SCROLL_BAR_WIDTH; r.left = 0;
|
||||
r.bottom = r.IntegerHeight() - B_H_SCROLL_BAR_HEIGHT; r.top = 0;
|
||||
|
||||
// add navigation and zoom buttons
|
||||
BRect r = Frame();
|
||||
r.OffsetTo(B_ORIGIN);
|
||||
r.right = r.IntegerWidth() - B_V_SCROLL_BAR_WIDTH;
|
||||
r.bottom = r.IntegerHeight() - B_H_SCROLL_BAR_HEIGHT;
|
||||
|
||||
// add navigation and zoom buttons
|
||||
// largest button first to get its size
|
||||
fPrev = new BButton(BRect(left, top, left+10, top+10), "Prev", "Previous Page", new BMessage(MSG_PREV_PAGE));
|
||||
fPrev = new BButton(BRect(left, top, left+10, top+10), "Prev", "Previous Page",
|
||||
new BMessage(MSG_PREV_PAGE));
|
||||
AddChild(fPrev);
|
||||
fPrev->ResizeToPreferred();
|
||||
width = fPrev->Bounds().Width()+1;
|
||||
height = fPrev->Bounds().Height()+1;
|
||||
|
||||
fFirst = new BButton(BRect(left, top, left+10, top+10), "First", "First Page", new BMessage(MSG_FIRST_PAGE));
|
||||
fFirst = new BButton(BRect(left, top, left+10, top+10), "First", "First Page",
|
||||
new BMessage(MSG_FIRST_PAGE));
|
||||
AddChild(fFirst);
|
||||
fFirst->ResizeTo(width, height);
|
||||
left = fFirst->Frame().right + kButtonDistance;
|
||||
|
||||
// move Previous Page button after First Page button
|
||||
fPrev->MoveTo(left, top);
|
||||
fPrev->MoveTo(left, top);
|
||||
left = fPrev->Frame().right + kButtonDistance;
|
||||
|
||||
fNext = new BButton(BRect(left, top, left+10, top+10), "Next", "Next Page", new BMessage(MSG_NEXT_PAGE));
|
||||
|
||||
fNext = new BButton(BRect(left, top, left+10, top+10), "Next", "Next Page",
|
||||
new BMessage(MSG_NEXT_PAGE));
|
||||
AddChild(fNext);
|
||||
fNext->ResizeTo(width, height);
|
||||
left = fNext->Frame().right + kButtonDistance;
|
||||
|
||||
fLast = new BButton(BRect(left, top, left+10, top+10), "Last", "Last Page", new BMessage(MSG_LAST_PAGE));
|
||||
|
||||
fLast = new BButton(BRect(left, top, left+10, top+10), "Last", "Last Page",
|
||||
new BMessage(MSG_LAST_PAGE));
|
||||
AddChild(fLast);
|
||||
fLast->ResizeTo(width, height);
|
||||
left = fLast->Frame().right + kPageTextDistance;
|
||||
|
||||
|
||||
// page number text
|
||||
fPageNumber = new BTextControl(BRect(left, top+3, left+10, top+10), "FindPage", "", "", new BMessage(MSG_FIND_PAGE));
|
||||
fPageNumber = new BTextControl(BRect(left, top+3, left+10, top+10), "FindPage",
|
||||
"", "", new BMessage(MSG_FIND_PAGE));
|
||||
fPageNumber->SetAlignment(B_ALIGN_RIGHT, B_ALIGN_RIGHT);
|
||||
int num;
|
||||
uint32 num;
|
||||
for (num = 0; num <= 255; num++) {
|
||||
fPageNumber->TextView()->DisallowChar(num);
|
||||
}
|
||||
for (num = 0; num <= 9; num++) {
|
||||
fPageNumber->TextView()->AllowChar('0' + num);
|
||||
}
|
||||
fPageNumber->TextView()-> SetMaxBytes(5);
|
||||
fPageNumber->TextView()-> SetMaxBytes(5);
|
||||
AddChild(fPageNumber);
|
||||
fPageNumber->ResizeTo(be_plain_font->StringWidth("999999") + 10, height);
|
||||
left = fPageNumber->Frame().right + 5;
|
||||
|
||||
|
||||
// number of pages text
|
||||
fPageText = new BStringView(BRect(left, top, left + 100, top + 15), "pageText", "");
|
||||
AddChild(fPageText);
|
||||
|
|
@ -511,128 +602,145 @@ PreviewWindow::PreviewWindow(BFile* jobFile)
|
|||
fPageText->ResizeTo(pageTextWidth, pageTextHeight);
|
||||
left += pageTextWidth + kPageTextDistance;
|
||||
fPageText->MoveBy(0, (height - font.Size()) / 2);
|
||||
|
||||
|
||||
fZoomIn = new BButton(BRect(left, top, left+10, top+10), "ZoomIn", "Zoom In", new BMessage(MSG_ZOOM_IN));
|
||||
|
||||
|
||||
fZoomIn = new BButton(BRect(left, top, left+10, top+10), "ZoomIn", "Zoom In",
|
||||
new BMessage(MSG_ZOOM_IN));
|
||||
AddChild(fZoomIn);
|
||||
fZoomIn->ResizeTo(width, height);
|
||||
left = fZoomIn->Frame().right + kButtonDistance;
|
||||
|
||||
fZoomOut = new BButton(BRect(left, top, left+10, top+10), "ZoomOut", "Zoom Out", new BMessage(MSG_ZOOM_OUT));
|
||||
|
||||
fZoomOut = new BButton(BRect(left, top, left+10, top+10), "ZoomOut", "Zoom Out",
|
||||
new BMessage(MSG_ZOOM_OUT));
|
||||
AddChild(fZoomOut);
|
||||
fZoomOut->ResizeTo(width, height);
|
||||
|
||||
|
||||
fButtonBarHeight = fZoomOut->Frame().bottom + 7;
|
||||
|
||||
// add preview view
|
||||
|
||||
// add preview view
|
||||
r.top = fButtonBarHeight;
|
||||
fPreview = new PreviewView(jobFile, r);
|
||||
|
||||
|
||||
fPreviewScroller = new BScrollView("PreviewScroller", fPreview, B_FOLLOW_ALL, 0, true, true, B_FANCY_BORDER);
|
||||
|
||||
|
||||
fPreviewScroller = new BScrollView("PreviewScroller", fPreview, B_FOLLOW_ALL,
|
||||
0, true, true, B_FANCY_BORDER);
|
||||
fPreviewScroller->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
|
||||
AddChild(fPreviewScroller);
|
||||
|
||||
|
||||
if (fPreview->InitCheck() == B_OK) {
|
||||
ResizeToPage();
|
||||
_ResizeToPage();
|
||||
fPreview->FixScrollbars();
|
||||
UpdateControls();
|
||||
_UpdateControls();
|
||||
fPreview->MakeFocus(true);
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewWindow::ResizeToPage() {
|
||||
|
||||
void
|
||||
PreviewWindow::MessageReceived(BMessage* m)
|
||||
{
|
||||
switch (m->what) {
|
||||
case MSG_FIRST_PAGE:
|
||||
fPreview->ShowFirstPage();
|
||||
break;
|
||||
|
||||
case MSG_NEXT_PAGE:
|
||||
fPreview->ShowNextPage();
|
||||
break;
|
||||
|
||||
case MSG_PREV_PAGE:
|
||||
fPreview->ShowPrevPage();
|
||||
break;
|
||||
|
||||
case MSG_LAST_PAGE:
|
||||
fPreview->ShowLastPage();
|
||||
break;
|
||||
|
||||
case MSG_FIND_PAGE:
|
||||
fPreview->ShowFindPage(atoi(fPageNumber->Text())) ;
|
||||
break;
|
||||
|
||||
case MSG_ZOOM_IN:
|
||||
fPreview->ZoomIn();
|
||||
_ResizeToPage();
|
||||
break;
|
||||
|
||||
case MSG_ZOOM_OUT:
|
||||
fPreview->ZoomOut();
|
||||
_ResizeToPage();
|
||||
break;
|
||||
|
||||
case B_MODIFIERS_CHANGED:
|
||||
fPreview->MouseMoved(BPoint(), B_INSIDE_VIEW, m);
|
||||
break;
|
||||
|
||||
default:
|
||||
BlockingWindow::MessageReceived(m);
|
||||
return;
|
||||
}
|
||||
_UpdateControls();
|
||||
}
|
||||
|
||||
|
||||
status_t
|
||||
PreviewWindow::Go()
|
||||
{
|
||||
status_t st = InitCheck();
|
||||
if (st == B_OK)
|
||||
return BlockingWindow::Go();
|
||||
|
||||
Quit();
|
||||
return st;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
PreviewWindow::_ResizeToPage()
|
||||
{
|
||||
BScreen screen;
|
||||
BRect r(fPreview->ViewRect());
|
||||
float width, height;
|
||||
float maxWidth, maxHeight, minWidth;
|
||||
if (screen.Frame().right == 0.0)
|
||||
return;
|
||||
|
||||
const float windowBorderWidth = 5;
|
||||
const float windowBorderHeight = 5;
|
||||
|
||||
if (screen.Frame().right == 0.0) {
|
||||
return; // invalid screen object
|
||||
}
|
||||
|
||||
width = r.Width() + 1 + B_V_SCROLL_BAR_WIDTH;
|
||||
height = r.Height() + 1 + fButtonBarHeight + B_H_SCROLL_BAR_HEIGHT;
|
||||
|
||||
// dimensions so that window does not reach outside of screen
|
||||
maxWidth = screen.Frame().Width() + 1 - windowBorderWidth - Frame().left;
|
||||
maxHeight = screen.Frame().Height() + 1 - windowBorderHeight - Frame().top;
|
||||
BRect rect(fPreview->ViewRect());
|
||||
float width = rect.Width() + 1 + B_V_SCROLL_BAR_WIDTH;
|
||||
float height = rect.Height() + 1 + fButtonBarHeight + B_H_SCROLL_BAR_HEIGHT;
|
||||
|
||||
rect = screen.Frame();
|
||||
// dimensions so that window does not reach outside of screen
|
||||
float maxWidth = rect.Width() + 1 - windowBorderWidth - Frame().left;
|
||||
float maxHeight = rect.Height() + 1 - windowBorderHeight - Frame().top;
|
||||
|
||||
// width so that all buttons are visible
|
||||
minWidth = fZoomOut->Frame().right + 10;
|
||||
|
||||
if (width < minWidth) width = minWidth;
|
||||
float minWidth = fZoomOut->Frame().right + 10;
|
||||
|
||||
if (width < minWidth) width = minWidth;
|
||||
if (width > maxWidth) width = maxWidth;
|
||||
if (height > maxHeight) height = maxHeight;
|
||||
|
||||
|
||||
ResizeTo(width, height);
|
||||
}
|
||||
|
||||
void PreviewWindow::UpdateControls() {
|
||||
|
||||
void
|
||||
PreviewWindow::_UpdateControls()
|
||||
{
|
||||
fFirst->SetEnabled(!fPreview->ShowsFirstPage());
|
||||
fPrev->SetEnabled(!fPreview->ShowsFirstPage());
|
||||
fNext->SetEnabled(!fPreview->ShowsLastPage());
|
||||
fLast->SetEnabled(!fPreview->ShowsLastPage());
|
||||
fZoomIn->SetEnabled(fPreview->CanZoomIn());
|
||||
fZoomOut->SetEnabled(fPreview->CanZoomOut());
|
||||
|
||||
BString page;
|
||||
page << fPreview->CurrentPage();
|
||||
fPageNumber->SetText(page.String());
|
||||
|
||||
BString text;
|
||||
text << "of "
|
||||
<< fPreview->NumberOfPages();
|
||||
if (fPreview->NumberOfPages() == 1) {
|
||||
text << " Page";
|
||||
} else {
|
||||
text << " Pages";
|
||||
}
|
||||
fPageText->SetText(text.String());}
|
||||
BString text;
|
||||
text << fPreview->CurrentPage();
|
||||
fPageNumber->SetText(text.String());
|
||||
|
||||
void PreviewWindow::MessageReceived(BMessage* m) {
|
||||
switch (m->what) {
|
||||
case MSG_FIRST_PAGE:
|
||||
fPreview->ShowFirstPage();
|
||||
break;
|
||||
case MSG_NEXT_PAGE:
|
||||
fPreview->ShowNextPage();
|
||||
break;
|
||||
case MSG_PREV_PAGE:
|
||||
fPreview->ShowPrevPage();
|
||||
break;
|
||||
case MSG_LAST_PAGE:
|
||||
fPreview->ShowLastPage();
|
||||
break;
|
||||
case MSG_FIND_PAGE:
|
||||
fPreview->ShowFindPage(atoi(fPageNumber->Text())) ;
|
||||
break;
|
||||
case MSG_ZOOM_IN:
|
||||
fPreview->ZoomIn();
|
||||
ResizeToPage();
|
||||
break;
|
||||
case MSG_ZOOM_OUT:
|
||||
fPreview->ZoomOut();
|
||||
ResizeToPage();
|
||||
break;
|
||||
case B_MODIFIERS_CHANGED:
|
||||
fPreview->MouseMoved(BPoint(), B_INSIDE_VIEW, m);
|
||||
break;
|
||||
default:
|
||||
inherited::MessageReceived(m); return;
|
||||
}
|
||||
UpdateControls();
|
||||
}
|
||||
|
||||
status_t PreviewWindow::Go() {
|
||||
status_t st = InitCheck();
|
||||
if (st == B_OK) {
|
||||
return inherited::Go();
|
||||
} else {
|
||||
Quit();
|
||||
}
|
||||
return st;
|
||||
text.SetTo("of ");
|
||||
text << fPreview->NumberOfPages() << " Page";
|
||||
if (fPreview->NumberOfPages() > 1)
|
||||
text.Append("s");
|
||||
fPageText->SetText(text.String());
|
||||
}
|
||||
|
|
|
|||
|
|
@ -5,115 +5,143 @@
|
|||
* Authors:
|
||||
* Michael Pfeiffer
|
||||
* Hartmut Reh
|
||||
* julun <host.haiku@gmx.de>
|
||||
*/
|
||||
|
||||
#include <InterfaceKit.h>
|
||||
#include "PrintJobReader.h"
|
||||
#include "InterfaceUtils.h"
|
||||
#include "PrintJobReader.h"
|
||||
|
||||
|
||||
#include <View.h>
|
||||
|
||||
|
||||
class BButton;
|
||||
class BFile;
|
||||
class BMessage;
|
||||
class BPicture;
|
||||
class BScrollView;
|
||||
class BStringView;
|
||||
class BTextControl;
|
||||
|
||||
|
||||
// #pragma mark - PreviewPage
|
||||
|
||||
|
||||
class PreviewPage {
|
||||
int32 fPage;
|
||||
int32 fNumberOfPictures;
|
||||
BPicture* fPictures;
|
||||
BPoint* fPoints;
|
||||
BRect* fRects;
|
||||
status_t fStatus;
|
||||
|
||||
public:
|
||||
PreviewPage(int32 page, PrintJobPage* pjp);
|
||||
~PreviewPage();
|
||||
status_t InitCheck() const;
|
||||
|
||||
int32 Page() const { return fPage; }
|
||||
void Draw(BView* view);
|
||||
PreviewPage(int32 page, PrintJobPage* pjp);
|
||||
~PreviewPage();
|
||||
|
||||
void Draw(BView* view);
|
||||
status_t InitCheck() const;
|
||||
int32 Page() const { return fPage; }
|
||||
|
||||
private:
|
||||
int32 fPage;
|
||||
status_t fStatus;
|
||||
int32 fNumberOfPictures;
|
||||
|
||||
BRect* fRects;
|
||||
BPoint* fPoints;
|
||||
BPicture* fPictures;
|
||||
};
|
||||
|
||||
|
||||
// #pragma mark - PreviewView
|
||||
|
||||
|
||||
class PreviewView : public BView {
|
||||
int32 fPage;
|
||||
int32 fZoom;
|
||||
bool fTracking;
|
||||
bool fInsideView;
|
||||
BPoint fScrollStart;
|
||||
PrintJobReader fReader;
|
||||
PreviewPage* fCachedPage;
|
||||
|
||||
float ZoomFactor() const;
|
||||
BRect PageRect() const;
|
||||
BRect PrintableRect() const;
|
||||
|
||||
public:
|
||||
PreviewView(BFile* jobFile, BRect rect);
|
||||
~PreviewView();
|
||||
|
||||
virtual void Show();
|
||||
virtual void MouseDown(BPoint point);
|
||||
virtual void MouseMoved(BPoint point, uint32 transit, const BMessage* message);
|
||||
virtual void MouseUp(BPoint point);
|
||||
PreviewView(BFile* jobFile, BRect rect);
|
||||
~PreviewView();
|
||||
|
||||
virtual void KeyDown(const char* bytes, int32 numBytes);
|
||||
virtual void Show();
|
||||
virtual void Draw(BRect r);
|
||||
virtual void FrameResized(float width, float height);
|
||||
virtual void MouseDown(BPoint point);
|
||||
virtual void MouseMoved(BPoint point, uint32 transit,
|
||||
const BMessage* message);
|
||||
virtual void MouseUp(BPoint point);
|
||||
virtual void KeyDown(const char* bytes, int32 numBytes);
|
||||
|
||||
status_t InitCheck() const;
|
||||
|
||||
BRect ViewRect() const;
|
||||
void ShowFirstPage();
|
||||
void ShowPrevPage();
|
||||
void ShowNextPage();
|
||||
void ShowLastPage();
|
||||
bool ShowsFirstPage() const;
|
||||
bool ShowsLastPage() const;
|
||||
void ShowFindPage(int32 page);
|
||||
|
||||
bool IsPageLoaded(int32 page) const;
|
||||
bool IsPageValid() const;
|
||||
void LoadPage(int32 page);
|
||||
void DrawPageFrame(BRect r);
|
||||
void DrawPage(BRect r);
|
||||
void Draw(BRect r);
|
||||
void FrameResized(float width, float height);
|
||||
|
||||
void FixScrollbars();
|
||||
|
||||
bool ShowsFirstPage() const;
|
||||
bool ShowsLastPage() const;
|
||||
int CurrentPage() const { return fPage + 1; }
|
||||
int NumberOfPages() const;
|
||||
void ShowNextPage();
|
||||
void ShowPrevPage();
|
||||
void ShowFirstPage();
|
||||
void ShowLastPage();
|
||||
void ShowFindPage(int page);
|
||||
|
||||
bool CanZoomIn() const;
|
||||
bool CanZoomOut() const;
|
||||
void ZoomIn();
|
||||
void ZoomOut();
|
||||
void ZoomIn();
|
||||
bool CanZoomIn() const;
|
||||
void ZoomOut();
|
||||
bool CanZoomOut() const;
|
||||
|
||||
void FixScrollbars();
|
||||
BRect ViewRect() const;
|
||||
status_t InitCheck() const;
|
||||
int32 NumberOfPages() const;
|
||||
int32 CurrentPage() const { return fPage + 1; }
|
||||
|
||||
private:
|
||||
BRect _PageRect() const;
|
||||
float _ZoomFactor() const;
|
||||
BRect _PrintableRect() const;
|
||||
|
||||
void _LoadPage(int32 page);
|
||||
bool _IsPageValid() const;
|
||||
bool _IsPageLoaded(int32 page) const;
|
||||
|
||||
void _DrawPageFrame(BRect rect);
|
||||
void _DrawPage(BRect updateRect);
|
||||
|
||||
private:
|
||||
int32 fPage;
|
||||
int32 fZoom;
|
||||
bool fTracking;
|
||||
bool fInsideView;
|
||||
BPoint fScrollStart;
|
||||
PrintJobReader fReader;
|
||||
PreviewPage* fCachedPage;
|
||||
};
|
||||
|
||||
|
||||
// #pragma mark - PreviewWindow
|
||||
|
||||
|
||||
class PreviewWindow : public BlockingWindow {
|
||||
BButton *fFirst;
|
||||
BButton *fNext;
|
||||
BButton *fPrev;
|
||||
BButton *fLast;
|
||||
BButton *fZoomIn;
|
||||
BButton *fZoomOut;
|
||||
BTextControl *fPageNumber;
|
||||
BStringView *fPageText;
|
||||
PreviewView *fPreview;
|
||||
BScrollView *fPreviewScroller;
|
||||
float fButtonBarHeight;
|
||||
|
||||
enum {
|
||||
MSG_FIRST_PAGE = 'pwfp',
|
||||
MSG_NEXT_PAGE = 'pwnp',
|
||||
MSG_PREV_PAGE = 'pwpp',
|
||||
MSG_LAST_PAGE = 'pwlp',
|
||||
MSG_FIND_PAGE = 'pwsp',
|
||||
MSG_ZOOM_IN = 'pwzi',
|
||||
MSG_ZOOM_OUT = 'pwzo',
|
||||
};
|
||||
|
||||
void ResizeToPage();
|
||||
void UpdateControls();
|
||||
|
||||
typedef BlockingWindow inherited;
|
||||
|
||||
public:
|
||||
PreviewWindow(BFile* jobFile);
|
||||
status_t InitCheck() const { return fPreview->InitCheck(); }
|
||||
void MessageReceived(BMessage* m);
|
||||
status_t Go();
|
||||
};
|
||||
PreviewWindow(BFile* jobFile);
|
||||
|
||||
virtual void MessageReceived(BMessage* m);
|
||||
|
||||
status_t Go();
|
||||
status_t InitCheck() const { return fPreview->InitCheck(); }
|
||||
|
||||
|
||||
private:
|
||||
void _ResizeToPage();
|
||||
void _UpdateControls();
|
||||
|
||||
private:
|
||||
BButton* fFirst;
|
||||
BButton* fNext;
|
||||
BButton* fPrev;
|
||||
BButton* fLast;
|
||||
BButton* fZoomIn;
|
||||
BButton* fZoomOut;
|
||||
BTextControl* fPageNumber;
|
||||
BStringView* fPageText;
|
||||
PreviewView* fPreview;
|
||||
BScrollView* fPreviewScroller;
|
||||
float fButtonBarHeight;
|
||||
|
||||
enum {
|
||||
MSG_FIRST_PAGE = 'pwfp',
|
||||
MSG_NEXT_PAGE = 'pwnp',
|
||||
MSG_PREV_PAGE = 'pwpp',
|
||||
MSG_LAST_PAGE = 'pwlp',
|
||||
MSG_FIND_PAGE = 'pwsp',
|
||||
MSG_ZOOM_IN = 'pwzi',
|
||||
MSG_ZOOM_OUT = 'pwzo',
|
||||
};
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue