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path: root/3rdparty/imgui/examples/imgui_impl_win32.h
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// dear imgui: Platform Binding for Windows (standard windows API for 32 and 64 bits applications)
// This needs to be used along with a Renderer (e.g. DirectX11, OpenGL3, Vulkan..)

// Implemented features:
//  [X] Platform: Clipboard support (for Win32 this is actually part of core imgui)
//  [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
//  [X] Platform: Keyboard arrays indexed using VK_* Virtual Key Codes, e.g. ImGui::IsKeyPressed(VK_SPACE).
// Missing features:
//  [ ] Platform: Gamepad support (best leaving it to user application to fill io.NavInputs[] with gamepad inputs from their source of choice).

IMGUI_IMPL_API bool     ImGui_ImplWin32_Init(void* hwnd);
IMGUI_IMPL_API void     ImGui_ImplWin32_Shutdown();
IMGUI_IMPL_API void     ImGui_ImplWin32_NewFrame();

// Handler for Win32 messages, update mouse/keyboard data.
// You may or not need this for your implementation, but it can serve as reference for handling inputs.
// Intentionally commented out to avoid dragging dependencies on <windows.h> types. You can copy the extern declaration in your code.
/*
IMGUI_IMPL_API LRESULT  ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
*/
ng */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
From 4267880319bc1a2270d352e0ded6d6386242a7ef Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Tue, 12 Aug 2014 20:49:27 +0200
Subject: [PATCH 24/53] GPIO: add named gpio exports

Signed-off-by: John Crispin <blogic@openwrt.org>
---
 drivers/gpio/gpiolib-of.c     |   68 +++++++++++++++++++++++++++++++++++++++++
 drivers/gpio/gpiolib-sysfs.c  |   10 +++++-
 include/asm-generic/gpio.h    |    6 ++++
 include/linux/gpio/consumer.h |    8 +++++
 4 files changed, 91 insertions(+), 1 deletion(-)

--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -23,6 +23,8 @@
 #include <linux/pinctrl/pinctrl.h>
 #include <linux/slab.h>
 #include <linux/gpio/machine.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
 
 #include "gpiolib.h"
 
@@ -506,3 +508,69 @@ void of_gpiochip_remove(struct gpio_chip
 	gpiochip_remove_pin_ranges(chip);
 	of_node_put(chip->of_node);
 }
+
+static struct of_device_id gpio_export_ids[] = {
+	{ .compatible = "gpio-export" },
+	{ /* sentinel */ }
+};
+
+static int __init of_gpio_export_probe(struct platform_device *pdev)
+{
+	struct device_node *np = pdev->dev.of_node;
+	struct device_node *cnp;
+	u32 val;
+	int nb = 0;
+
+	for_each_child_of_node(np, cnp) {
+		const char *name = NULL;
+		int gpio;
+		bool dmc;
+		int max_gpio = 1;
+		int i;
+
+		of_property_read_string(cnp, "gpio-export,name", &name);
+
+		if (!name)
+			max_gpio = of_gpio_count(cnp);
+
+		for (i = 0; i < max_gpio; i++) {
+			unsigned flags = 0;
+			enum of_gpio_flags of_flags;
+
+			gpio = of_get_gpio_flags(cnp, i, &of_flags);
+
+			if (of_flags == OF_GPIO_ACTIVE_LOW)
+				flags |= GPIOF_ACTIVE_LOW;
+
+			if (!of_property_read_u32(cnp, "gpio-export,output", &val))
+				flags |= val ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
+			else
+				flags |= GPIOF_IN;
+
+			if (devm_gpio_request_one(&pdev->dev, gpio, flags, name ? name : of_node_full_name(np)))
+				continue;
+
+			dmc = of_property_read_bool(cnp, "gpio-export,direction_may_change");
+			gpio_export_with_name(gpio, dmc, name);
+			nb++;
+		}
+	}
+
+	dev_info(&pdev->dev, "%d gpio(s) exported\n", nb);
+
+	return 0;
+}
+
+static struct platform_driver gpio_export_driver = {
+	.driver		= {
+		.name		= "gpio-export",
+		.owner	= THIS_MODULE,
+		.of_match_table	= of_match_ptr(gpio_export_ids),
+	},
+};
+
+static int __init of_gpio_export_init(void)
+{
+	return platform_driver_probe(&gpio_export_driver, of_gpio_export_probe);
+}
+device_initcall(of_gpio_export_init);
--- a/drivers/gpio/gpiolib-sysfs.c
+++ b/drivers/gpio/gpiolib-sysfs.c
@@ -553,7 +553,7 @@ static struct class gpio_class = {
  *
  * Returns zero on success, else an error.
  */
-int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
+int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name)
 {
 	struct gpio_chip	*chip;
 	struct gpio_device	*gdev;
@@ -615,6 +615,8 @@ int gpiod_export(struct gpio_desc *desc,
 	offset = gpio_chip_hwgpio(desc);
 	if (chip->names && chip->names[offset])
 		ioname = chip->names[offset];
+	if (name)
+		ioname = name;
 
 	dev = device_create_with_groups(&gpio_class, &gdev->dev,
 					MKDEV(0, 0), data, gpio_groups,
@@ -636,6 +638,12 @@ err_unlock:
 	gpiod_dbg(desc, "%s: status %d\n", __func__, status);
 	return status;
 }
+EXPORT_SYMBOL_GPL(__gpiod_export);
+
+int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
+{
+	return __gpiod_export(desc, direction_may_change, NULL);
+}
 EXPORT_SYMBOL_GPL(gpiod_export);
 
 static int match_export(struct device *dev, const void *desc)
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -127,6 +127,12 @@ static inline int gpio_export(unsigned g
 	return gpiod_export(gpio_to_desc(gpio), direction_may_change);
 }
 
+int __gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name);
+static inline int gpio_export_with_name(unsigned gpio, bool direction_may_change, const char *name)
+{
+	return __gpiod_export(gpio_to_desc(gpio), direction_may_change, name);
+}
+
 static inline int gpio_export_link(struct device *dev, const char *name,
 				   unsigned gpio)
 {
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -451,6 +451,7 @@ struct gpio_desc *devm_fwnode_get_gpiod_
 
 #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_GPIO_SYSFS)
 
+int _gpiod_export(struct gpio_desc *desc, bool direction_may_change, const char *name);
 int gpiod_export(struct gpio_desc *desc, bool direction_may_change);
 int gpiod_export_link(struct device *dev, const char *name,
 		      struct gpio_desc *desc);
@@ -458,6 +459,13 @@ void gpiod_unexport(struct gpio_desc *de
 
 #else  /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */
 
+static inline int _gpiod_export(struct gpio_desc *desc,
+			       bool direction_may_change,
+			       const char *name)
+{
+	return -ENOSYS;
+}
+
 static inline int gpiod_export(struct gpio_desc *desc,
 			       bool direction_may_change)
 {