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Rescale desires on resize

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Kovid Goyal 2023-12-19 09:17:09 +05:30
parent cbf8ddd9e3
commit 040c479a4c
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1 changed files with 64 additions and 35 deletions
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src/calibre/gui2/central.py
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@ -13,6 +13,9 @@ from calibre.gui2 import Application, config
from calibre.gui2.cover_flow import MIN_SIZE
HIDE_THRESHOLD = 10
class Placeholder(QLabel):
backgrounds = 'yellow', 'lightgreen', 'grey', 'cyan', 'magenta'
bgcount = 0
@ -100,6 +103,16 @@ class WideDesires:
cover_browser_height: int = 0
quick_view_height: int = 0
def rescale(self, x_factor, y_factor):
if self.tag_browser_width > HIDE_THRESHOLD:
self.tag_browser_width = int(self.tag_browser_width * x_factor)
if self.book_details_width > HIDE_THRESHOLD:
self.book_details_width = int(self.book_details_width * x_factor)
if self.cover_browser_height > HIDE_THRESHOLD:
self.cover_browser_height = int(self.cover_browser_height * y_factor)
if self.quick_view_height > HIDE_THRESHOLD:
self.quick_view_height = int(self.quick_view_height * y_factor)
@dataclass
class NarrowDesires:
@ -108,6 +121,16 @@ class NarrowDesires:
tag_browser_width: int = 0
cover_browser_width: int = 0
def rescale(self, x_factor, y_factor):
if self.book_details_height > HIDE_THRESHOLD:
self.book_details_height = int(self.book_details_height * y_factor)
if self.quick_view_height > HIDE_THRESHOLD:
self.quick_view_height = int(self.quick_view_height * y_factor)
if self.tag_browser_width > HIDE_THRESHOLD:
self.tag_browser_width = int(self.tag_browser_width * x_factor)
if self.cover_browser_width > HIDE_THRESHOLD:
self.cover_browser_width = int(self.cover_browser_width * x_factor)
@dataclass
class Visibility:
@ -193,8 +216,14 @@ class Central(QWidget):
def resizeEvent(self, ev):
super().resizeEvent(ev)
a, b = ev.oldSize(), ev.size()
self.rescale_desires(b.width() / a.width(), b.height() / a.height())
self.relayout()
def rescale_desires(self, x_factor, y_factor):
self.wide_desires.rescale(x_factor, y_factor)
self.narrow_desires.rescale(x_factor, y_factor)
def relayout(self):
self.tag_browser.setVisible(self.is_visible.tag_browser)
self.book_details.setVisible(self.is_visible.book_details)
@ -229,7 +258,7 @@ class Central(QWidget):
def default_wide_side_panel_width(self):
available_width = self.width() - 2 * int(self.style().pixelMetric(QStyle.PixelMetric.PM_SplitterWidth, widget=self))
return min(300, (3 * available_width) // 10)
return min(300, (3 * available_width) // HIDE_THRESHOLD)
def do_wide_layout(self):
s = self.style()
@ -240,7 +269,7 @@ class Central(QWidget):
hs = h.state
if hs is HandleState.both_visible or hs is HandleState.only_side_visible:
width = normal_handle_width
h.resize(width, self.height())
h.resize(int(width), int(self.height()))
available_width -= width
default_width = self.default_wide_side_panel_width()
tb = self.wide_desires.tag_browser_width or default_width
@ -256,12 +285,12 @@ class Central(QWidget):
bd = max(0, width_to_share - tb)
central_width = available_width - (tb + bd)
if self.is_visible.tag_browser:
self.tag_browser.setGeometry(0, 0, tb, self.height())
self.tag_browser.setGeometry(0, 0, int(tb), int(self.height()))
self.left_handle.move(tb, 0)
central_x = self.left_handle.x() + self.left_handle.width()
self.right_handle.move(tb + central_width + self.left_handle.width(), 0)
if self.is_visible.book_details:
self.book_details.setGeometry(self.right_handle.x() + self.right_handle.width(), 0, bd, self.height())
self.book_details.setGeometry(int(self.right_handle.x() + self.right_handle.width()), 0, int(bd), int(self.height()))
available_height = self.height()
for h in (self.top_handle, self.bottom_handle):
@ -271,7 +300,7 @@ class Central(QWidget):
height = normal_handle_width
if h is self.bottom_handle and hs is HandleState.only_main_visible:
height = 0
h.resize(central_width, height)
h.resize(int(central_width), int(height))
available_height -= height
cb = max(self.cover_browser.minimumHeight(), self.wide_desires.cover_browser_height or (2 * available_height // 5))
@ -291,22 +320,22 @@ class Central(QWidget):
else:
bl = available_height
if self.is_visible.cover_browser:
self.cover_browser.setGeometry(central_x, 0, central_width, cb)
self.cover_browser.setGeometry(int(central_x), 0, int(central_width), int(cb))
self.top_handle.move(central_x, cb)
if self.is_visible.book_list:
self.book_list.setGeometry(central_x, self.top_handle.y() + self.top_handle.height(), central_width, bl)
self.book_list.setGeometry(int(central_x), int(self.top_handle.y() + self.top_handle.height()), int(central_width), int(bl))
self.bottom_handle.move(central_x, self.book_list.y() + self.book_list.height())
if self.is_visible.quick_view:
self.quick_view.setGeometry(central_x, self.bottom_handle.y() + self.bottom_handle.height(), central_width, qv)
self.quick_view.setGeometry(int(central_x), int(self.bottom_handle.y() + self.bottom_handle.height()), int(central_width), int(qv))
def wide_move_splitter_handle_to(self, handle: SplitterHandle, pos: QPointF):
if handle is self.left_handle:
x = int(pos.x())
available_width = self.width() - self.left_handle.width() - self.right_handle.width() - self.min_central_width_wide()
self.is_visible.tag_browser = True
if x < 10:
if x < HIDE_THRESHOLD:
self.is_visible.tag_browser = False
self.wide_desires.tag_browser_width = 10
self.wide_desires.tag_browser_width = HIDE_THRESHOLD
else:
self.wide_desires.tag_browser_width = min(available_width, x)
elif handle is self.right_handle:
@ -314,28 +343,28 @@ class Central(QWidget):
available_width = self.width() - self.left_handle.width() - self.right_handle.width() - self.min_central_width_wide()
self.is_visible.book_details = True
w = self.width() - x - self.right_handle.width()
if w < 10:
if w < HIDE_THRESHOLD:
self.is_visible.book_details = False
self.wide_desires.book_details_width = 10
self.wide_desires.book_details_width = HIDE_THRESHOLD
else:
self.wide_desires.book_details_width = min(available_width, w)
elif handle is self.top_handle:
y = int(pos.y())
self.is_visible.cover_browser = True
if y < max(self.cover_browser.minimumHeight(), 10):
if y < max(self.cover_browser.minimumHeight(), HIDE_THRESHOLD):
self.is_visible.cover_browser = False
self.wide_desires.cover_browser_height = max(10, self.cover_browser.minimumHeight())
self.wide_desires.cover_browser_height = max(HIDE_THRESHOLD, self.cover_browser.minimumHeight())
else:
self.wide_desires.cover_browser_height = max(y, self.cover_browser.minimumHeight())
elif handle is self.bottom_handle:
y = int(pos.y())
h = self.height() - y - self.bottom_handle.height()
if h < 10:
if h < HIDE_THRESHOLD:
self.is_visible.quick_view = False
self.wide_desires.quick_view_height = 10
self.wide_desires.quick_view_height = HIDE_THRESHOLD
else:
available_height = max(0, self.height() - self.top_handle.height() - self.bottom_handle.height() - self.cover_browser.minimumHeight() - 50)
self.wide_desires.quick_view_height = max(10, min(h, available_height))
self.wide_desires.quick_view_height = max(HIDE_THRESHOLD, min(h, available_height))
def size_panel_on_initial_show_wide(self, which):
if which in ('tag_browser', 'book_details'):
@ -376,7 +405,7 @@ class Central(QWidget):
height = self.bottom_handle.COLLAPSED_SIZE
if hs is HandleState.both_visible or hs is HandleState.only_side_visible:
height = normal_handle_width
self.bottom_handle.resize(self.width(), height)
self.bottom_handle.resize(int(self.width()), int(height))
available_height -= height
bd = self.narrow_desires.book_details_height or min(350, available_height // 3)
if not self.is_visible.book_details:
@ -385,7 +414,7 @@ class Central(QWidget):
bd = available_height - central_height
self.bottom_handle.move(0, central_height)
if self.is_visible.book_details:
self.book_details.setGeometry(0, central_height + self.bottom_handle.height(), self.width(), bd)
self.book_details.setGeometry(0, int(central_height + self.bottom_handle.height()), int(self.width()), int(bd))
available_width = self.width()
for h in (self.left_handle, self.right_handle):
@ -393,7 +422,7 @@ class Central(QWidget):
hs = h.state
if hs is HandleState.both_visible or hs is HandleState.only_side_visible:
width = normal_handle_width
h.resize(width, central_height)
h.resize(int(width), int(central_height))
available_width -= width
default_width = self.default_wide_side_panel_width()
tb = self.narrow_desires.tag_browser_width or default_width
@ -414,31 +443,31 @@ class Central(QWidget):
tb = max(0, width_to_share - cb)
central_width = available_width - (tb + cb)
if self.is_visible.tag_browser:
self.tag_browser.setGeometry(0, 0, tb, self.height())
self.tag_browser.setGeometry(0, 0, int(tb), int(self.height()))
self.left_handle.move(tb, 0)
central_x = self.left_handle.x() + self.left_handle.width()
self.right_handle.move(tb + central_width + self.left_handle.width(), 0)
if self.is_visible.cover_browser:
self.cover_browser.setGeometry(self.right_handle.x() + self.right_handle.width(), 0, cb, self.height())
self.top_handle.resize(central_width, normal_handle_width if self.is_visible.quick_view else 0)
self.cover_browser.setGeometry(int(self.right_handle.x() + self.right_handle.width()), 0, int(cb), int(self.height()))
self.top_handle.resize(int(central_width), int(normal_handle_width if self.is_visible.quick_view else 0))
central_height -= self.top_handle.height()
qv = 0
if self.is_visible.quick_view:
qv = self.narrow_desires.quick_view_height or min(250, central_height // 2)
qv = max(0, min(qv, central_height - 50))
self.book_list.setGeometry(central_x, 0, central_width, max(0, central_height - qv))
self.book_list.setGeometry(int(central_x), 0, int(central_width), int(max(0, central_height - qv)))
self.top_handle.move(central_x, self.book_list.y() + self.book_list.height())
if self.is_visible.quick_view:
self.quick_view.setGeometry(central_x, self.top_handle.y() + self.top_handle.height(), central_width, qv)
self.quick_view.setGeometry(int(central_x), int(self.top_handle.y() + self.top_handle.height()), int(central_width), int(qv))
def narrow_move_splitter_handle_to(self, handle: SplitterHandle, pos: QPointF):
if handle is self.left_handle:
x = int(pos.x())
available_width = self.width() - self.left_handle.width() - self.right_handle.width() - self.min_central_width_narrow()
self.is_visible.tag_browser = True
if x < 10:
if x < HIDE_THRESHOLD:
self.is_visible.tag_browser = False
self.narrow_desires.tag_browser_width = 10
self.narrow_desires.tag_browser_width = HIDE_THRESHOLD
else:
self.narrow_desires.tag_browser_width = min(available_width, x)
elif handle is self.right_handle:
@ -446,29 +475,29 @@ class Central(QWidget):
available_width = self.width() - self.left_handle.width() - self.right_handle.width() - self.min_central_width_narrow()
self.is_visible.cover_browser = True
w = min(available_width, self.width() - x - self.right_handle.width())
if w < 10:
if w < HIDE_THRESHOLD:
self.is_visible.cover_browser = False
self.narrow_desires.book_details_width = 10
self.narrow_desires.book_details_width = HIDE_THRESHOLD
else:
self.narrow_desires.cover_browser_width = max(self.cover_browser.minimumWidth(), w)
elif handle is self.bottom_handle:
y = int(pos.y())
h = self.height() - y - self.bottom_handle.height()
if h < 10:
if h < HIDE_THRESHOLD:
self.is_visible.book_details = False
self.narrow_desires.book_details_height = 10
self.narrow_desires.book_details_height = HIDE_THRESHOLD
else:
self.is_visible.book_details = True
available_height = max(0, self.height() - self.bottom_handle.height() - self.min_central_height_narrow())
self.narrow_desires.book_details_height = max(10, min(h, available_height))
self.narrow_desires.book_details_height = max(HIDE_THRESHOLD, min(h, available_height))
elif handle is self.top_handle:
y = int(pos.y())
available_height = self.bottom_handle.y() if self.is_visible.book_details else self.height()
available_height -= self.top_handle.height()
h = available_height - y
if h < 10 or available_height < 5:
if h < HIDE_THRESHOLD or available_height < 5:
self.is_visible.quick_view = False
self.narrow_desires.quick_view_height = 10
self.narrow_desires.quick_view_height = HIDE_THRESHOLD
else:
self.is_visible.quick_view = True
self.narrow_desires.quick_view_height = max(0, available_height - y)
@ -497,7 +526,7 @@ def develop():
super().__init__()
l = QVBoxLayout(self)
l.setContentsMargins(0, 0, 0, 0)
self.central = Central(self, initial_layout='narrow')
self.central = Central(self, initial_layout='wide')
l.addWidget(self.central)
self.resize(self.sizeHint())
def keyPressEvent(self, ev):