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Merge pull request #62 from bjadamson/color-var

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Expose color variable stack to user.
This commit is contained in:
Joonas Javanainen 2017-07-09 00:06:42 +03:00 committed by GitHub
commit fe7f4ed277
1 changed files with 83 additions and 45 deletions
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128
src/lib.rs
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@ -18,7 +18,7 @@ pub use imgui_sys::{ImDrawIdx, ImDrawVert, ImGuiInputTextFlags, ImGuiInputTextFl
ImGuiInputTextFlags_ReadOnly, ImGuiKey, ImGuiSelectableFlags,
ImGuiSelectableFlags_DontClosePopups, ImGuiSelectableFlags_SpanAllColumns,
ImGuiSetCond, ImGuiSetCond_Always, ImGuiSetCond_Appearing,
ImGuiSetCond_FirstUseEver, ImGuiSetCond_Once, ImGuiStyle, ImGuiStyleVar, ImGuiTreeNodeFlags,
ImGuiSetCond_FirstUseEver, ImGuiSetCond_Once, ImGuiCol, ImGuiStyle, ImGuiStyleVar, ImGuiTreeNodeFlags,
ImGuiTreeNodeFlags_AllowOverlapMode, ImGuiTreeNodeFlags_Bullet,
ImGuiTreeNodeFlags_CollapsingHeader, ImGuiTreeNodeFlags_DefaultOpen,
ImGuiTreeNodeFlags_Framed, ImGuiTreeNodeFlags_Leaf,
@ -759,50 +759,30 @@ impl<'ui> Ui<'ui> {
}
impl<'ui> Ui<'ui> {
/// Creates a child frame. Size is size of child_frame within parent window.
///
/// # Example
/// ```rust,no_run
/// # use imgui::*;
/// # let mut imgui = ImGui::init();
/// # let ui = imgui.frame((0, 0), (0, 0), 0.1);
/// ui.window(im_str!("ChatWindow"))
/// .title_bar(true)
/// .scrollable(false)
/// .build(|| {
/// ui.separator();
///
/// ui.child_frame(im_str!("child frame"), (400.0, 100.0))
/// .show_borders(true)
/// .always_show_vertical_scroll_bar(true)
/// .build(|| {
/// ui.text_colored((1.0, 0.0, 0.0, 1.0), im_str!("hello mate!"));
/// });
/// });
pub fn child_frame<'p, S: Into<ImVec2>>(&self, name: &'p ImStr, size: S) -> ChildFrame<'p> { ChildFrame::new(name, size.into()) }
/// Creates a child frame. Size is size of child_frame within parent window.
///
/// # Example
/// ```rust,no_run
/// # use imgui::*;
/// # let mut imgui = ImGui::init();
/// # let ui = imgui.frame((0, 0), (0, 0), 0.1);
/// ui.window(im_str!("ChatWindow"))
/// .title_bar(true)
/// .scrollable(false)
/// .build(|| {
/// ui.separator();
///
/// ui.child_frame(im_str!("child frame"), (400.0, 100.0))
/// .show_borders(true)
/// .always_show_vertical_scroll_bar(true)
/// .build(|| {
/// ui.text_colored((1.0, 0.0, 0.0, 1.0), im_str!("hello mate!"));
/// });
/// });
pub fn child_frame<'p, S: Into<ImVec2>>(&self, name: &'p ImStr, size: S) -> ChildFrame<'p> { ChildFrame::new(name, size.into()) }
}
impl<'ui> Ui<'ui> {
#[inline]
fn push_style_var(&self, style_var: StyleVar) {
use StyleVar::*;
use imgui_sys::{igPushStyleVar, igPushStyleVarVec};
match style_var {
Alpha(v) => unsafe { igPushStyleVar(ImGuiStyleVar::Alpha, v) },
WindowPadding(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::WindowPadding, v) },
WindowRounding(v) => unsafe { igPushStyleVar(ImGuiStyleVar::WindowRounding, v) },
WindowMinSize(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::WindowMinSize, v) },
ChildWindowRounding(v) => unsafe { igPushStyleVar(ImGuiStyleVar::ChildWindowRounding, v) },
FramePadding(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::FramePadding, v) },
FrameRounding(v) => unsafe { igPushStyleVar(ImGuiStyleVar::FrameRounding, v) },
ItemSpacing(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::ItemSpacing, v) },
ItemInnerSpacing(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::ItemInnerSpacing, v) },
IndentSpacing(v) => unsafe { igPushStyleVar(ImGuiStyleVar::IndentSpacing, v) },
GrabMinSize(v) => unsafe { igPushStyleVar(ImGuiStyleVar::GrabMinSize, v) },
ButtonTextAlign(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::ButtonTextAlign, v) }
}
}
/// Runs a function after temporarily pushing a value to the style stack.
///
/// # Example
@ -813,9 +793,6 @@ impl<'ui> Ui<'ui> {
/// ui.with_style_var(StyleVar::Alpha(0.2), || {
/// ui.text(im_str!("AB"));
/// });
/// ui.with_style_var(StyleVar::Alpha(0.4), || {
/// ui.text(im_str!("CD"));
/// });
/// ```
pub fn with_style_var<F: FnOnce()>(&self, style_var: StyleVar, f: F) {
self.push_style_var(style_var);
@ -846,4 +823,65 @@ impl<'ui> Ui<'ui> {
f();
unsafe { imgui_sys::igPopStyleVar(style_vars.len() as i32) };
}
#[inline]
fn push_style_var(&self, style_var: StyleVar) {
use StyleVar::*;
use imgui_sys::{igPushStyleVar, igPushStyleVarVec};
match style_var {
Alpha(v) => unsafe { igPushStyleVar(ImGuiStyleVar::Alpha, v) },
WindowPadding(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::WindowPadding, v) },
WindowRounding(v) => unsafe { igPushStyleVar(ImGuiStyleVar::WindowRounding, v) },
WindowMinSize(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::WindowMinSize, v) },
ChildWindowRounding(v) => unsafe { igPushStyleVar(ImGuiStyleVar::ChildWindowRounding, v) },
FramePadding(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::FramePadding, v) },
FrameRounding(v) => unsafe { igPushStyleVar(ImGuiStyleVar::FrameRounding, v) },
ItemSpacing(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::ItemSpacing, v) },
ItemInnerSpacing(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::ItemInnerSpacing, v) },
IndentSpacing(v) => unsafe { igPushStyleVar(ImGuiStyleVar::IndentSpacing, v) },
GrabMinSize(v) => unsafe { igPushStyleVar(ImGuiStyleVar::GrabMinSize, v) },
ButtonTextAlign(v) => unsafe { igPushStyleVarVec(ImGuiStyleVar::ButtonTextAlign, v) }
}
}
}
impl<'ui> Ui<'ui> {
/// Runs a function after temporarily pushing a value to the color stack.
///
/// # Example
/// ```rust,no_run
/// # use imgui::*;
/// # let mut imgui = ImGui::init();
/// # let ui = imgui.frame((0, 0), (0, 0), 0.1);
/// ui.with_color_var(ImGuiCol::Text, (1.0, 0.0, 0.0, 1.0), || {
/// ui.text_wrapped(im_str!("AB"));
/// });
/// ```
pub fn with_color_var<F: FnOnce(), C: Into<ImVec4> + Copy>(&self, var: ImGuiCol, color: C, f: F) {
unsafe { imgui_sys::igPushStyleColor(var, color.into()); }
f();
unsafe {imgui_sys::igPopStyleColor(1); }
}
/// Runs a function after temporarily pushing an array of values to the color stack.
///
/// # Example
/// ```rust,no_run
/// # use imgui::*;
/// # let mut imgui = ImGui::init();
/// # let ui = imgui.frame((0, 0), (0, 0), 0.1);
/// let red = (1.0, 0.0, 0.0, 1.0);
/// let green = (0.0, 1.0, 0.0, 1.0);
/// # let vars = [(ImGuiCol::Text, red), (ImGuiCol::TextDisabled, green)];
/// ui.with_color_vars(&vars, || {
/// ui.text_wrapped(im_str!("AB"));
/// });
/// ```
pub fn with_color_vars<F: FnOnce(), C: Into<ImVec4> + Copy>(&self, color_vars: &[(ImGuiCol, C)], f: F) {
for &(color_var, color) in color_vars {
unsafe { imgui_sys::igPushStyleColor(color_var, color.into()); }
}
f();
unsafe { imgui_sys::igPopStyleColor(color_vars.len() as i32) };
}
}