Threaded image loading

addons/functions.lua

@@ -0,0 +1,27 @@
+local gui = require("gui")
+
+function gui:enableGrid(cellSize)
+    local grid
+    if cellSize ~= nil then grid = true end
+
+    local cellSize = cellSize or 10 -- Width and height of cells.
+
+    self.post = function(self)
+        local gridLines = {}
+        if not grid then return end
+        local xx, yy, windowWidth, windowHeight = self:getAbsolutes()
+
+        -- Vertical lines.
+        for x = cellSize, windowWidth, cellSize do
+            local line = {xx + x, yy + 0, xx + x, yy + windowHeight}
+            table.insert(gridLines, line)
+        end
+        -- Horizontal lines.
+        for y = cellSize, windowHeight, cellSize do
+            local line = {xx + 0, yy + y, xx + windowWidth, yy + y}
+            table.insert(gridLines, line)
+        end
+        love.graphics.setLineWidth(1)
+        for i, line in ipairs(gridLines) do love.graphics.line(line) end
+    end
+end

addons/system.lua

@@ -0,0 +1,96 @@
+local gui = require("gui")
+local default_theme = theme:new("64342e", "b2989e", "909b9a")
+
+function gui:newWindow(x, y, w, h, text, draggable)
+    local parent = self
+    local pointer = love.mouse.getCursor()
+    local theme = default_theme
+
+    local header = self:newFrame(x, y, w, 30)
+    header:setRoundness(10, 10, nil, "top")
+    local window = header:newFrame(0, 30, w, h - 30)
+    local title = header:newTextLabel(text or "", 5, 0, w - 35, 30)
+    title.visibility = 0
+    title.ignore = true
+
+    local X = header:newTextButton("", -25, -25, 20, 20, 1, 1)
+    X:setRoundness(10, 10)
+    X.align = gui.ALIGN_CENTER
+    X.color = color.red
+    local darkenX = color.darken(color.red, .2)
+
+    X.OnEnter(function(self) self.color = darkenX end)
+
+    X.OnExit(function(self) self.color = color.red end)
+
+    if draggable then
+        header:enableDragging(gui.MOUSE_PRIMARY)
+        header:OnDragging(function(self, dx, dy)
+            self:move(dx, dy)
+            -- window:move(dx,dy)
+        end)
+    end
+
+    -- Mutate the event args to point to our window object
+    window.OnClose = function() return window end % X.OnPressed
+
+    window.OnClose(function()
+        header:setParent(gui.virtual)
+        love.mouse.setCursor(pointer)
+    end)
+
+    function window:close() -- The OnClose connection itself does not modify values at all!
+        window.OnClose:Fire(self)
+    end
+
+    function window:open() header:setParent(parent) end
+
+    function window:setTheme(th)
+        theme = th
+        title.textColor = theme.colorPrimaryText
+        title:setFont(theme.fontPrimary)
+        title:fitFont()
+        header.color = theme.colorPrimaryDark
+        window.color = theme.colorPrimary
+        local elements = self:getAllChildren()
+        for _, element in pairs(elements) do
+            if element:hasType(gui.TYPE_BUTTON) then
+                element:setFont(theme.fontButton)
+                element.color = theme.colorButtonNormal
+                element.textColor = theme.colorButtonText
+                if not element.__registeredTheme then
+
+                    element.OnEnter(function(self)
+                        self.color = theme.colorButtonHighlight
+                    end)
+
+                    element.OnExit(function(self)
+                        self.color = theme.colorButtonNormal
+                    end)
+
+                end
+                element:fitFont()
+                element.align = gui.ALIGN_CENTER
+                element.__registeredTheme = true
+            elseif element:hasType(gui.TYPE_TEXT) then
+                element.color = theme.colorPrimary
+                element:setFont(theme.fontPrimary)
+                element.textColor = theme.colorPrimaryText
+                element:fitFont()
+                element.align = gui.ALIGN_CENTER
+            elseif element:hasType(gui.TYPE_FRAME) then
+                if element.__isHeader then
+                    element.color = theme.colorPrimaryDark
+                else
+                    element.color = theme.colorPrimary
+                end
+            end
+        end
+    end
+
+    function window:getTheme() return theme end
+
+    thread:newThread(function() window:setTheme(theme) end)
+
+    return window
+end

init.lua

@@ -998,74 +998,63 @@ gui.Events.OnKeyPressed(function(key, scancode, isrepeat)
 end)
 
 -- Images
+
+local load_image = THREAD:newFunction(function(path)
+    require("love.image")
+    return love.image.newImageData(path)
+end)
+
 function gui:newImageBase(typ, x, y, w, h, sx, sy, sw, sh)
     local c = self:newBase(image + typ, x, y, w, h, sx, sy, sw, sh)
     c.color = color.white
     c.visibility = 0
     local IMAGE
+
     function c:getUniques()
         return gui.getUniques(c, {
             -- Recreating the image object using set image is the way to go
             DO = {[[setImage]], c.image or IMAGE}
         })
     end
-    function c:setImage(i, x, y, w, h)
-        if i == nil then return end
-		IMAGE = i
-		if type(i) == "string" then i = image_cache[i] or i end
-		if i and x then
-			self.imageHeigth = h
-            self.imageWidth = w
-			if type(i) == "string" then
-				image_cache[i] = love.graphics.newImage(i)
-				i = image_cache[i]
-			end
-			self.image = i
-			self.image:setWrap("repeat","repeat")
-			self.imageColor = color.white
-			self.quad = love.graphics.newQuad(x, y, w, h, self.image:getWidth(), self.image:getHeight())
-			self.imageVisibility = 1
-			return
-		end
 
-        if not first_loop then
+    c.setImage = function(self, i, x, y, w, h)
-            -- Wait one cycle for things to load up
+        if i == nil then return end
-            drawer:newThread(function()
+        load_image(i).OnReturn(function(img)
-                thread.yield()
+            img = love.graphics.newImage(img)
-                local img
+            IMAGE = i
-                if type(i) == "userdata" and i:type() == "Image" then
+            if type(i) == "string" then i = image_cache[i] or i end
-                    img = i
+
-                elseif type(i) == "userdata" and i:type() == "ImageData" then
+            if i and x then
-                    img = love.graphics.newImage(i)
+                self.imageHeigth = h
-                else
+                self.imageWidth = w
-                    img = love.graphics.newImage(i)
+
-                    image_cache[i] = love.image.newImageData(i)
+                if type(i) == "string" then
+                    image_cache[i] = img
+                    i = image_cache[i]
                 end
-                local x, y, w, h = self:getAbsolutes()
+
+                self.image = i
+                self.image:setWrap("repeat", "repeat")
                 self.imageColor = color.white
+                self.quad = love.graphics.newQuad(x, y, w, h, self.image:getWidth(), self.image:getHeight())
                 self.imageVisibility = 1
-                self.image = img
+
-                self.imageHeigth = img:getHeight()
+                return
-                self.imageWidth = img:getWidth()
+            end
-                self.quad = love.graphics.newQuad(0, 0, w, h, self.imageWidth,
+            
-                                                  self.imageHeigth)
+            if type(i) == "userdata" and i:type() == "Image" then
-            end)
+                img = i
-            return
+            end
-        end
+
-        local img
+            local x, y, w, h = self:getAbsolutes()
-        if type(i) == "userdata" and i:type() == "Image" then
+            self.imageColor = color.white
-            img = i
+            self.imageVisibility = 1
-        else
+            self.image = img
-            img = love.graphics.newImage(i)
+            self.image:setWrap("repeat", "repeat")
-        end
+            self.imageHeigth = img:getHeight()
-        local x, y, w, h = self:getAbsolutes()
+            self.imageWidth = img:getWidth()
-        self.imageColor = color.white
+            self.quad = love.graphics.newQuad(0, 0, self.imageWidth, self.imageHeigth, self.imageWidth, self.imageHeigth)
-        self.imageVisibility = 1
+        end)
-        self.image = img
-        self.imageHeigth = img:getHeight()
-        self.imageWidth = img:getWidth()
-        self.quad = love.graphics.newQuad(0, 0, w, h, self.imageWidth,
-                                          self.imageHeigth)
     end
     return c
 end