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Implement View Bitmap

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This commit is contained in:
Isaiah Odhner 2023-06-27 17:15:54 -04:00
parent ffe7f2cd0c
commit ee2fce3166
2 changed files with 41 additions and 3 deletions
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16
src/textual_paint/paint.css
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@ -19,6 +19,9 @@ Screen {
.-dark-mode #editing_area {
background: $surface-lighten-2;
}
.view_bitmap #editing_area {
background: #55aaaa; /* default Windows98 wallpaper theme color */
}
#canvas {
@ -27,6 +30,19 @@ Screen {
margin: 1 2;
}
.view_bitmap #tools_box,
.view_bitmap #colors_box,
.view_bitmap #status_bar,
.view_bitmap MenuBar,
.view_bitmap Header {
display: none !important; /* doesn't work because it's an inline style; works differently from browser CSS */
width: 0 !important;
height: 0 !important;
border: none !important;
padding: 0 !important;
margin: 0 !important;
}
#tools_box {
layout: grid;
grid-size: 2;

28
src/textual_paint/paint.py
View File

@ -1823,6 +1823,10 @@ class Canvas(Widget):
This either starts drawing, or if both mouse buttons are pressed, cancels the current action.
"""
if self.app.has_class("view_bitmap"):
# Exiting is handled by the PaintApp.
return
self.fix_mouse_event(event) # not needed, pointer isn't captured yet.
event.x //= self.magnification
event.y //= self.magnification
@ -1871,6 +1875,11 @@ class Canvas(Widget):
if self.pointer_active:
self.post_message(self.ToolUpdate(event))
else:
# I put this in the else block just for performance.
# Hopefully it wouldn't matter much, but
# the pointer should never be active in View Bitmap mode.
if self.app.has_class("view_bitmap"):
return
self.post_message(self.ToolPreviewUpdate(event))
def on_mouse_up(self, event: events.MouseUp) -> None:
@ -3428,7 +3437,8 @@ Columns: {len(palette) // 2}
def action_show_thumbnail(self) -> None:
self.message_box(_("Paint"), "Not implemented.", "ok")
def action_view_bitmap(self) -> None:
self.message_box(_("Paint"), "Not implemented.", "ok")
self.cancel_preview()
self.toggle_class("view_bitmap")
def action_flip_rotate(self) -> None:
self.message_box(_("Paint"), "Not implemented.", "ok")
def action_stretch_skew(self) -> None:
@ -3616,7 +3626,7 @@ Columns: {len(palette) // 2}
MenuItem(_("Show &Grid\tCtrl+G"), self.action_show_grid, 37677, grayed=True, description=_("Shows or hides the grid.")),
MenuItem(_("Show T&humbnail"), self.action_show_thumbnail, 37676, grayed=True, description=_("Shows or hides the thumbnail view of the picture.")),
])),
MenuItem(_("&View Bitmap\tCtrl+F"), self.action_view_bitmap, 37673, grayed=True, description=_("Displays the entire picture.")),
MenuItem(_("&View Bitmap\tCtrl+F"), self.action_view_bitmap, 37673, description=_("Displays the entire picture.")),
])),
MenuItem(remove_hotkey(_("&Image")), submenu=Menu([
MenuItem(_("&Flip/Rotate...\tCtrl+R"), self.action_flip_rotate, 37680, grayed=True, description=_("Flips or rotates the picture or a selection.")),
@ -4309,8 +4319,13 @@ Columns: {len(palette) // 2}
key = key[len("shift+"):]
if "ctrl" in key:
# Don't interfere with Ctrl+C, Ctrl+V, etc.
# and don't double-handle Ctrl+F (View Bitmap)
return
if self.has_class("view_bitmap"):
self.remove_class("view_bitmap")
return
if self.image.selection and not self.image.selection.textbox_mode:
# TODO: smear selection if shift is held
if key == "left":
@ -4512,6 +4527,13 @@ Columns: {len(palette) // 2}
self.query_one(MenuBar).close()
return
# Exit View Bitmap mode if clicking anywhere
if self.has_class("view_bitmap"):
def exit_view_bitmap_mode() -> None:
self.remove_class("view_bitmap")
# Call later to avoid drawing on the canvas when exiting
self.call_later(exit_view_bitmap_mode)
# Deselect if clicking outside the canvas
if leaf_widget is self.editing_area:
self.meld_selection()