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https://github.com/notepad-plus-plus/notepad-plus-plus.git
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5a3bf49c86
Toolbar, status bar, tab bar, menu bar, dark scrollbar, handle switching between light and dark, docking splitters and headers, flicker fixes. Minor tweaks to DarkMode.h. Mostly handles the dark mode request for the main interface for #7692 and also follows the windows system theme settings like #9183. Fix #9183, fix #7692, close #9587
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
#pragma once
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// MIT license, see LICENSE
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// Copyright(c) 2021 adzm / Adam D. Walling
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// processes messages related to UAH / custom menubar drawing.
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// return true if handled, false to continue with normal processing in your wndproc
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bool UAHDarkModeWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam, LRESULT* lr);
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// window messages related to menu bar drawing
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#define WM_UAHDESTROYWINDOW 0x0090 // handled by DefWindowProc
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#define WM_UAHDRAWMENU 0x0091 // lParam is UAHMENU
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#define WM_UAHDRAWMENUITEM 0x0092 // lParam is UAHDRAWMENUITEM
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#define WM_UAHINITMENU 0x0093 // handled by DefWindowProc
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#define WM_UAHMEASUREMENUITEM 0x0094 // lParam is UAHMEASUREMENUITEM
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#define WM_UAHNCPAINTMENUPOPUP 0x0095 // handled by DefWindowProc
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// describes the sizes of the menu bar or menu item
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typedef union tagUAHMENUITEMMETRICS
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{
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// cx appears to be 14 / 0xE less than rcItem's width!
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// cy 0x14 seems stable, i wonder if it is 4 less than rcItem's height which is always 24 atm
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struct {
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DWORD cx;
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DWORD cy;
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} rgsizeBar[2];
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struct {
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DWORD cx;
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DWORD cy;
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} rgsizePopup[4];
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} UAHMENUITEMMETRICS;
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// not really used in our case but part of the other structures
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typedef struct tagUAHMENUPOPUPMETRICS
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{
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DWORD rgcx[4];
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DWORD fUpdateMaxWidths : 2; // from kernel symbols, padded to full dword
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} UAHMENUPOPUPMETRICS;
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// hmenu is the main window menu; hdc is the context to draw in
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typedef struct tagUAHMENU
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{
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HMENU hmenu;
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HDC hdc;
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DWORD dwFlags; // no idea what these mean, in my testing it's either 0x00000a00 or sometimes 0x00000a10
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} UAHMENU;
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// menu items are always referred to by iPosition here
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typedef struct tagUAHMENUITEM
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{
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int iPosition; // 0-based position of menu item in menubar
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UAHMENUITEMMETRICS umim;
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UAHMENUPOPUPMETRICS umpm;
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} UAHMENUITEM;
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// the DRAWITEMSTRUCT contains the states of the menu items, as well as
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// the position index of the item in the menu, which is duplicated in
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// the UAHMENUITEM's iPosition as well
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typedef struct UAHDRAWMENUITEM
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{
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DRAWITEMSTRUCT dis; // itemID looks uninitialized
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UAHMENU um;
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UAHMENUITEM umi;
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} UAHDRAWMENUITEM;
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// the MEASUREITEMSTRUCT is intended to be filled with the size of the item
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// height appears to be ignored, but width can be modified
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typedef struct tagUAHMEASUREMENUITEM
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{
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MEASUREITEMSTRUCT mis;
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UAHMENU um;
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UAHMENUITEM umi;
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} UAHMEASUREMENUITEM;
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