mirror of
https://github.com/ptitSeb/Serious-Engine
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120 lines
4.8 KiB
C
120 lines
4.8 KiB
C
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/****
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* lwshelf.h
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****
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* COPYRIGHT (C) 1999 NewTek, Inc.
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****
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*/
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#ifndef LWSHELF_H
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#define LWSHELF_H
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/* Standard */
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#include <stdio.h>
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#include <stdlib.h>
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#include <lwdialog.h>
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#include <lwglobsrv.h>
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#include <lwtypes.h>
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#include <lwimage.h>
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#include <lwio.h>
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/****
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* Callback Prototypes:
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* --------------------
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* LWShelfLoadOkFunc - Asks the subscribed client if it is ready to accept
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* loading a preset.
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* LWShelfLoadFunc - Called to have the client load settings
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* LWShelfSaveFunc - Called during save to obtain client settings
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*
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* These load and save callbacks provide for loading and
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* saving client settings using the LW Load and Save State (LWIO.H)
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* OR as a separate data file.
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*
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* Use of the LWIO states is recommended.
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*
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* Which format is used depends on the subscription flags
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* where SHLF_BIN or SHLF_ASC uses the corresponding LWIO
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* load/save states and SHLF_SEP indicates the client will
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* save data to a separate file in whatever manner best suits
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* its needs. The filename argument to the Load/SaveFunc
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* callbacks is the filename the client should use for this
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* activity.
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*
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* API Description:
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* ----------------
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* subscribe - Adds a client to the Preset Shelf and returns a client ID.
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* unsubscribe - Unsubscribes the client. Clients should, at a minimum,
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* do this when its instance is destroyed.
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* open - Opens the Preset Shelf window and sets focus to the client.
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* close - Closes the Shelf.
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* setContext - Grabs the focus of the Shelf. This differs from the Open
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* method by making the client the active client but this
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* does not open the Shelf window.
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* addPreset - Called by the client to add a preset settings
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* addNamedPreset file to the Presets Shelf. The 'img' is an
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* LWImageID to use as the preset's thumbnail. The
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* 'parms' is a NULL terminated list of string
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* parameter tags which can be used to conditionally
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* load settings from the preset.
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* (Independent Operations)
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* load/save - These load/save preset settings files to an
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* arbitrary location specified by 'filename'. As part
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* of the shelf API, the load and save methods reuse
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* the client subscription settings (like userdata,
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* callbacks, etc.). If 'prompt_user' is true and the
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* preset contains a parameter list, this will prompt
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* user for input.
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****
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*/
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#define LWSHELFFUNCS_GLOBAL "LWShelfFuncs"
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typedef struct st_ShelfClient *LWShelfCltID;
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typedef char **LWShelfParmList;
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typedef int LWShelfLoadOkFunc ( void *userdata );
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typedef void LWShelfLoadFunc ( void *userdata, const LWLoadState *load,
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const char *filename, LWShelfParmList parms );
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typedef void LWShelfSaveFunc ( void *userdata, const LWSaveState *save,
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const char *filename );
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/* Load and Save Options */
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#define SHLF_BIN (1<<1) /* Binary LWIO State */
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#define SHLF_ASC (1<<2) /* Ascii LWIO State */
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#define SHLF_SEP (1<<3) /* Client uses separate file */
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/* LoadOk Codes */
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enum en_SHELF_LOADOK {
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SHLC_NOWAY = 0, /* Do not load. Client told user reason */
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SHLC_DFLT, /* Use default confirmation dialog. */
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SHLC_FORCE /* Load. Do Not confirm with user. */
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};
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typedef struct st_LWSHELFFUNCS {
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/* Client subscriptions */
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LWShelfCltID (*subscribe) ( char *name, char *subName,
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void *userData, int flags,
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LWShelfLoadOkFunc *loadOk_callback,
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LWShelfLoadFunc *load_callback,
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LWShelfSaveFunc *save_callback );
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void (*unsubscribe) ( LWShelfCltID clt );
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/* Shelf Operations */
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void (*open) ( LWShelfCltID clt );
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int (*isOpen) ( LWShelfCltID clt );
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void (*close) ( LWShelfCltID clt );
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void (*setContext) ( LWShelfCltID clt );
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int (*addPreset) ( LWShelfCltID clt,
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LWImageID img, LWShelfParmList parms );
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/* Independent Load and Save */
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void (*load) ( LWShelfCltID clt,
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char *filename, int prompt_user );
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void (*save) ( LWShelfCltID clt, char *filename,
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LWImageID thumimg, LWShelfParmList parms );
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int (*addNamedPreset) ( LWShelfCltID clt,
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LWImageID img, LWShelfParmList parms,
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const char *name, const char *comment );
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} LWShelfFuncs;
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/* Close the header */
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#endif
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