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Fix page-break-inside:avoid to work for nested tags too

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The initial version was too naïve and didn't work correctly if the <div>
with this style had nested elements.
This commit is contained in:
Vadim Zeitlin
2018-07-25 02:23:02 +02:00
parent 321854b519
commit 542124aa95
3 changed files with 76 additions and 42 deletions
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80
tests/html/htmprint.cpp
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@@ -121,52 +121,52 @@ TEST_CASE("wxHtmlPrintout::Pagination", "[html][print]")
// should move it entirely to the next page, resulting in one extra page
// compared to the version without "page-break-inside: avoid".
static const char* const text =
"Early in the morning on the fourteenth of the spring month of Nisan the "
"Procurator of Judea, Pontius Pilate, in a white cloak lined with blood red, "
"emerged with his shuffling cavalryman's walk into the arcade connecting the two "
"wings of the palace of Herod the Great. "
"\n"
"More than anything else in the world the Procurator hated the smell of attar of "
"roses. The omens for the day were bad, as this scent had been haunting him "
"since dawn. "
"\n"
"It seemed to the Procurator that the very cypresses and palms in the garden "
"were exuding the smell of roses, that this damned stench of roses was even "
"mingling with the smell of leather tackle and sweat from his mounted bodyguard. "
"\n"
"A haze of smoke was drifting toward the arcade across the upper courtyard of "
"the garden, coming from the wing at the rear of the palace, the quarters of the "
"first cohort of the XII Legion; known as the \"Lightning,\" it had been "
"stationed in Jerusalem since the Procurator's arrival. The same oily perfume "
"of roses was mixed with the acrid smoke that showed that the centuries' cooks "
"had started to prepare breakfast "
"\n"
"\"Oh, gods, what are you punishing me for?.. No, there's no doubt, I have it "
"again, this terrible incurable pain... hemicrania, when half the head aches... "
"There's no cure for it, nothing helps... I must try not to move my head...\" "
"\n"
"A chair had already been placed on the mosaic floor by the fountain; without a "
"glance around, the Procurator sat in it and stretched out his hand to one side. "
"His secretary deferentially laid a piece of parchment in his hand. Unable to "
"restrain a grimace of agony, the Procurator gave a fleeting sideways look at "
"its contents, returned the parchment to his secretary and said painfully, \"The "
"accused comes from Galilee, does he? Was the case sent to the tetrarch?\" "
"\n"
"\"Yes, Procurator,\" replied the secretary. \"He declined to confirm the "
"finding of the court and passed the Sanhedrin's sentence of death to you for "
"confirmation.\" "
"\n"
"The Procurator's cheek twitched, and he said quietly, \"Bring in the accused.\" "
"Early in the morning on the fourteenth of the spring month of Nisan the<br>"
"Procurator of Judea, Pontius Pilate, in a white cloak lined with blood red,<br>"
"emerged with his shuffling cavalryman's walk into the arcade connecting the two<br>"
"wings of the palace of Herod the Great.<br>"
"<br>"
"More than anything else in the world the Procurator hated the smell of attar of<br>"
"roses. The omens for the day were bad, as this scent had been haunting him<br>"
"since dawn.<br>"
"<br>"
"It seemed to the Procurator that the very cypresses and palms in the garden<br>"
"were exuding the smell of roses, that this damned stench of roses was even<br>"
"mingling with the smell of leather tackle and sweat from his mounted bodyguard.<br>"
"<br>"
"A haze of smoke was drifting toward the arcade across the upper courtyard of<br>"
"the garden, coming from the wing at the rear of the palace, the quarters of the<br>"
"first cohort of the XII Legion; known as the \"Lightning,\" it had been<br>"
"stationed in Jerusalem since the Procurator's arrival. The same oily perfume<br>"
"of roses was mixed with the acrid smoke that showed that the centuries' cooks<br>"
"had started to prepare breakfast<br>"
"<br>"
"\"Oh, gods, what are you punishing me for?.. No, there's no doubt, I have it<br>"
"again, this terrible incurable pain... hemicrania, when half the head aches...<br>"
"There's no cure for it, nothing helps... I must try not to move my head...\"<br>"
"<br>"
"A chair had already been placed on the mosaic floor by the fountain; without a<br>"
"glance around, the Procurator sat in it and stretched out his hand to one side.<br>"
"His secretary deferentially laid a piece of parchment in his hand. Unable to<br>"
"restrain a grimace of agony, the Procurator gave a fleeting sideways look at<br>"
"its contents, returned the parchment to his secretary and said painfully, \"The<br>"
"accused comes from Galilee, does he? Was the case sent to the tetrarch?\"<br>"
"<br>"
"\"Yes, Procurator,\" replied the secretary. \"He declined to confirm the<br>"
"finding of the court and passed the Sanhedrin's sentence of death to you for<br>"
"confirmation.\"<br>"
"<br>"
"The Procurator's cheek twitched, and he said quietly, \"Bring in the accused.\"<br>"
;
pr.SetHtmlText
(
wxString::Format
(
"<img width=\"100\" height=\"600\" src=\"dummy\"/>"
"<img width=\"100\" height=\"500\" src=\"dummy\"/>"
"<div>%s</div>"
"<br/>"
"<img width=\"100\" height=\"600\" src=\"dummy\"/>",
"<img width=\"100\" height=\"400\" src=\"dummy\"/>",
text
)
);
@@ -176,10 +176,10 @@ TEST_CASE("wxHtmlPrintout::Pagination", "[html][print]")
(
wxString::Format
(
"<img width=\"100\" height=\"600\" src=\"dummy\"/>"
"<img width=\"100\" height=\"500\" src=\"dummy\"/>"
"<div style=\"page-break-inside:avoid\">%s</div>"
"<br/>"
"<img width=\"100\" height=\"600\" src=\"dummy\"/>",
"<img width=\"100\" height=\"400\" src=\"dummy\"/>",
text
)
);