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Added 'Go to page' control. Contributed by Hartmut Reh. 

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10658 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Pfeiffer 2005-01-10 18:26:13 +00:00
parent f1a1d6e98a
commit 30ec9a55ef
2 changed files with 49 additions and 10 deletions
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50
src/add-ons/print/drivers/preview/Preview.cpp
View File

@ -29,6 +29,8 @@ THE SOFTWARE.
*/
#include <stdlib.h>
#include <Debug.h>
#include <String.h>
#include "Utils.h"
@ -255,6 +257,20 @@ void PreviewView::ShowLastPage() {
}
}
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;
}
@ -351,11 +367,26 @@ PreviewWindow::PreviewWindow(BFile* jobFile)
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->SetAlignment(B_ALIGN_RIGHT, B_ALIGN_RIGHT);
int 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);
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", "");
fPageText->SetAlignment(B_ALIGN_CENTER);
AddChild(fPageText);
// estimate max. width
float pageTextWidth = fPageText->StringWidth("Page 99999 of 99999 Pages");
float pageTextWidth = fPageText->StringWidth("of 99999 Pages");
// estimate height
BFont font;
fPageText->GetFont(&font);
@ -431,17 +462,19 @@ void PreviewWindow::UpdateControls() {
fZoomIn->SetEnabled(fPreview->CanZoomIn());
fZoomOut->SetEnabled(fPreview->CanZoomOut());
BString text("Page ");
text << fPreview->CurrentPage()
<< " of "
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());
}
fPageText->SetText(text.String());}
void PreviewWindow::MessageReceived(BMessage* m) {
switch (m->what) {
@ -457,6 +490,9 @@ void PreviewWindow::MessageReceived(BMessage* m) {
case MSG_LAST_PAGE:
fPreview->ShowLastPage();
break;
case MSG_FIND_PAGE:
fPreview->ShowFindPage(atoi(fPageNumber->Text())) ;
break;
case MSG_ZOOM_IN:
fPreview->ZoomIn();
ResizeToPage();

9
src/add-ons/print/drivers/preview/Preview.h
View File

@ -85,6 +85,7 @@ public:
void ShowPrevPage();
void ShowFirstPage();
void ShowLastPage();
void ShowFindPage(int page);
bool CanZoomIn() const;
bool CanZoomOut() const;
@ -99,9 +100,10 @@ class PreviewWindow : public BlockingWindow {
BButton *fLast;
BButton *fZoomIn;
BButton *fZoomOut;
BStringView* fPageText;
PreviewView* fPreview;
BScrollView* fPreviewScroller;
BTextControl *fPageNumber;
BStringView *fPageText;
PreviewView *fPreview;
BScrollView *fPreviewScroller;
float fButtonBarHeight;
enum {
@ -109,6 +111,7 @@ class PreviewWindow : public BlockingWindow {
MSG_NEXT_PAGE = 'pwnp',
MSG_PREV_PAGE = 'pwpp',
MSG_LAST_PAGE = 'pwlp',
MSG_FIND_PAGE = 'pwsp',
MSG_ZOOM_IN = 'pwzi',
MSG_ZOOM_OUT = 'pwzo',
};