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try adding blocks around the imgui api to make it a little easier to work with

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hopefully this means I won't forget to close groups or pop styles anymore
This commit is contained in:
Matthew Berry 2022-06-26 14:28:22 -07:00
parent 61b21b4233
commit 1a40e281ed
1 changed files with 31 additions and 12 deletions
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43
src/crab/common/frontend/controllers/gba_controller.cr
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@ -59,26 +59,45 @@ class GBAController < Controller
end
private def render_palettes_tab_item : Nil
ImGui.push_style_var(ImGui::ImGuiStyleVar::ItemSpacing, ImGui::ImVec2.new(0, 0))
pram = @emu.ppu.pram.to_unsafe.as(UInt16*)
flags = ImGui::ImGuiColorEditFlags::NoAlpha | ImGui::ImGuiColorEditFlags::NoPicker |
ImGui::ImGuiColorEditFlags::NoOptions | ImGui::ImGuiColorEditFlags::NoInputs |
ImGui::ImGuiColorEditFlags::NoLabel | ImGui::ImGuiColorEditFlags::NoSidePreview |
ImGui::ImGuiColorEditFlags::NoDragDrop | ImGui::ImGuiColorEditFlags::NoBorder
2.times do |idx|
ImGui.begin_group
16.times do |palette_row|
16.times do |palette_col|
color = (pram + 0x100 * idx)[palette_row * 16 + palette_col]
rgb = ImGui::ImVec4.new((color & 0x1F) / 0x1F, (color >> 5 & 0x1F) / 0x1F, (color >> 10 & 0x1F) / 0x1F, 1)
ImGui.color_button("", rgb, flags, ImGui::ImVec2.new(10, 10))
ImGui.same_line unless palette_col == 15
with_style(ImGui::ImGuiStyleVar::ItemSpacing, ImGui::ImVec2.new(0, 0)) do
2.times do |idx|
group do
16.times do |palette_row|
16.times do |palette_col|
color = (pram + 0x100 * idx)[palette_row * 16 + palette_col]
rgb = ImGui::ImVec4.new((color & 0x1F) / 0x1F, (color >> 5 & 0x1F) / 0x1F, (color >> 10 & 0x1F) / 0x1F, 1)
ImGui.color_button("", rgb, flags, ImGui::ImVec2.new(10, 10))
ImGui.same_line unless palette_col == 15
end
end
end
ImGui.same_line(spacing: 4_f32) if idx == 0
end
ImGui.end_group
ImGui.same_line(spacing: 4_f32) if idx == 0
end
ImGui.pop_style_var
ImGui.end_tab_item
end
def group(&) : Nil
ImGui.begin_group
yield
ImGui.end_group
end
def child(*args, **kwargs, &) : Nil
if ImGui.begin_child(*args, **kwargs)
yield
end
ImGui.end_child
end
def with_style(*args, **kwargs, &) : Nil
ImGui.push_style_var(*args, **kwargs)
yield
ImGui.pop_style_var
end
end